Use forked copy of jsrrdgraphrichardw/jsrrdgraph-integration

3 files changed, 398 insertions, 5269 deletions

diff --git a/docs/examples/assets/js/dependencies.js b/docs/examples/assets/js/dependencies.js
index 893ef2e..b7c7d64 100644
--- a/docs/examples/assets/js/dependencies.js
+++ b/docs/examples/assets/js/dependencies.js
@@ -1,9 +1,6 @@
-// Compiled with closure-compiler on 2011-08-07 18:29:31.168108
+// Compiled with closure-compiler on 2011-08-14 20:50:27.421965
 // @code_url http://code.jquery.com/jquery-1.6.2.js
-// @code_url http://flot.googlecode.com/svn/trunk/excanvas.js
-// @code_url http://flot.googlecode.com/svn/trunk/jquery.flot.js
-// @code_url http://flot.googlecode.com/svn/trunk/jquery.flot.stack.js
-// @code_url http://flot.googlecode.com/svn/trunk/jquery.flot.selection.js
+// @code_url https://raw.github.com/wallrj/jsrrdgraph/master/rrd.js
 // @code_url http://javascriptrrd.cvs.sourceforge.net/viewvc/javascriptrrd/v0/src/lib/rrdFile.js
 // @code_url https://raw.github.com/jquerytools/jquerytools/dev/src/dateinput/dateinput.js
 // @code_url https://raw.github.com/jquerytools/jquerytools/dev/src/tabs/tabs.js
@@ -12,315 +9,386 @@
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+offset:!0},attrFix:{tabindex:"tabIndex"},attr:function(a,b,d,f){var g=a.nodeType;if(!a||g===3||g===8||g===2)return c;if(f&&b in e.attrFn)return e(a)[b](d);if(!("getAttribute"in a))return e.prop(a,b,d);var h,j;if(f=g!==1||!e.isXMLDoc(a))if(b=e.attrFix[b]||b,j=e.attrHooks[b],!j)if(O.test(b))j=V;else if(P&&b!=="className"&&(e.nodeName(a,"form")||F.test(b)))j=P;return d!==c?d===null?(e.removeAttr(a,b),c):j&&"set"in j&&f&&(h=j.set(a,d,b))!==c?h:(a.setAttribute(b,""+d),d):j&&"get"in j&&f&&(h=j.get(a,b))!==
+null?h:(h=a.getAttribute(b),h===null?c:h)},removeAttr:function(a,b){var c;if(a.nodeType===1&&(b=e.attrFix[b]||b,e.support.getSetAttribute?a.removeAttribute(b):(e.attr(a,b,""),a.removeAttributeNode(a.getAttributeNode(b))),O.test(b)&&(c=e.propFix[b]||b)in a))a[c]=!1},attrHooks:{type:{set:function(a,b){if(ga.test(a.nodeName)&&a.parentNode)e.error("type property can't be changed");else if(!e.support.radioValue&&b==="radio"&&e.nodeName(a,"input")){var c=a.value;a.setAttribute("type",b);if(c)a.value=c;
+return b}}},tabIndex:{get:function(a){var b=a.getAttributeNode("tabIndex");return b&&b.specified?parseInt(b.value,10):H.test(a.nodeName)||J.test(a.nodeName)&&a.href?0:c}},value:{get:function(a,b){return P&&e.nodeName(a,"button")?P.get(a,b):b in a?a.value:null},set:function(a,b,c){if(P&&e.nodeName(a,"button"))return P.set(a,b,c);a.value=b}}},propFix:{tabindex:"tabIndex",readonly:"readOnly","for":"htmlFor","class":"className",maxlength:"maxLength",cellspacing:"cellSpacing",cellpadding:"cellPadding",
+rowspan:"rowSpan",colspan:"colSpan",usemap:"useMap",frameborder:"frameBorder",contenteditable:"contentEditable"},prop:function(a,b,d){var f=a.nodeType;if(!a||f===3||f===8||f===2)return c;var g,h;if(f!==1||!e.isXMLDoc(a))b=e.propFix[b]||b,h=e.propHooks[b];return d!==c?h&&"set"in h&&(g=h.set(a,d,b))!==c?g:a[b]=d:h&&"get"in h&&(g=h.get(a,b))!==c?g:a[b]},propHooks:{}});V={get:function(a,b){return e.prop(a,b)?b.toLowerCase():c},set:function(a,b,c){b===!1?e.removeAttr(a,c):(b=e.propFix[c]||c,b in a&&(a[b]=
+!0),a.setAttribute(c,c.toLowerCase()));return c}};if(!e.support.getSetAttribute)e.attrFix=e.propFix,P=e.attrHooks.name=e.attrHooks.title=e.valHooks.button={get:function(a,b){var e;return(e=a.getAttributeNode(b))&&e.nodeValue!==""?e.nodeValue:c},set:function(a,b,c){if(a=a.getAttributeNode(c))return a.nodeValue=b}},e.each(["width","height"],function(a,b){e.attrHooks[b]=e.extend(e.attrHooks[b],{set:function(a,k){if(k==="")return a.setAttribute(b,"auto"),k}})});e.support.hrefNormalized||e.each(["href",
+"src","width","height"],function(a,b){e.attrHooks[b]=e.extend(e.attrHooks[b],{get:function(a){a=a.getAttribute(b,2);return a===null?c:a}})});if(!e.support.style)e.attrHooks.style={get:function(a){return a.style.cssText.toLowerCase()||c},set:function(a,b){return a.style.cssText=""+b}};if(!e.support.optSelected)e.propHooks.selected=e.extend(e.propHooks.selected,{get:function(){}});e.support.checkOn||e.each(["radio","checkbox"],function(){e.valHooks[this]={get:function(a){return a.getAttribute("value")===
+null?"on":a.value}}});e.each(["radio","checkbox"],function(){e.valHooks[this]=e.extend(e.valHooks[this],{set:function(a,b){if(e.isArray(b))return a.checked=e.inArray(e(a).val(),b)>=0}})});var sa=/\.(.*)$/,W=/^(?:textarea|input|select)$/i,ja=/\./g,Xa=/ /g,eb=/[^\w\s.|`]/g,fb=function(a){return a.replace(eb,"\\$&")};e.event={add:function(a,b,d,f){if(!(a.nodeType===3||a.nodeType===8)){if(d===!1)d=g;else if(!d)return;var v,h;if(d.handler)v=d,d=v.handler;if(!d.guid)d.guid=e.guid++;if(h=e._data(a)){var j=
+h.events,l=h.handle;if(!j)h.events=j={};if(!l)h.handle=l=function(a){return typeof e!=="undefined"&&(!a||e.event.triggered!==a.type)?e.event.handle.apply(l.elem,arguments):c};l.elem=a;for(var b=b.split(" "),m,o=0,n;m=b[o++];){h=v?e.extend({},v):{handler:d,data:f};m.indexOf(".")>-1?(n=m.split("."),m=n.shift(),h.namespace=n.slice(0).sort().join(".")):(n=[],h.namespace="");h.type=m;if(!h.guid)h.guid=d.guid;var q=j[m],p=e.event.special[m]||{};if(!q&&(q=j[m]=[],!p.setup||p.setup.call(a,f,n,l)===!1))a.addEventListener?
+a.addEventListener(m,l,!1):a.attachEvent&&a.attachEvent("on"+m,l);if(p.add&&(p.add.call(a,h),!h.handler.guid))h.handler.guid=d.guid;q.push(h);e.event.global[m]=!0}a=null}}},global:{},remove:function(a,b,d,f){if(!(a.nodeType===3||a.nodeType===8)){d===!1&&(d=g);var v,h,j=0,l,m,o,n,q,p,r=e.hasData(a)&&e._data(a),H=r&&r.events;if(r&&H){if(b&&b.type)d=b.handler,b=b.type;if(!b||typeof b==="string"&&b.charAt(0)===".")for(v in b=b||"",H)e.event.remove(a,v+b);else{for(b=b.split(" ");v=b[j++];)if(n=v,l=v.indexOf(".")<
+0,m=[],l||(m=v.split("."),v=m.shift(),o=RegExp("(^|\\.)"+e.map(m.slice(0).sort(),fb).join("\\.(?:.*\\.)?")+"(\\.|$)")),q=H[v])if(d){n=e.event.special[v]||{};for(h=f||0;h<q.length;h++)if(p=q[h],d.guid===p.guid){if(l||o.test(p.namespace))f==null&&q.splice(h--,1),n.remove&&n.remove.call(a,p);if(f!=null)break}if(q.length===0||f!=null&&q.length===1)(!n.teardown||n.teardown.call(a,m)===!1)&&e.removeEvent(a,v,r.handle),delete H[v]}else for(h=0;h<q.length;h++)if(p=q[h],l||o.test(p.namespace))e.event.remove(a,
+n,p.handler,h),q.splice(h--,1);if(e.isEmptyObject(H)){if(b=r.handle)b.elem=null;delete r.events;delete r.handle;e.isEmptyObject(r)&&e.removeData(a,c,!0)}}}}},customEvent:{getData:!0,setData:!0,changeData:!0},trigger:function(b,d,f,g){var h=b.type||b,j=[],l;h.indexOf("!")>=0&&(h=h.slice(0,-1),l=!0);h.indexOf(".")>=0&&(j=h.split("."),h=j.shift(),j.sort());if(f&&!e.event.customEvent[h]||e.event.global[h]){b=typeof b==="object"?b[e.expando]?b:new e.Event(h,b):new e.Event(h);b.type=h;b.exclusive=l;b.namespace=
+j.join(".");b.namespace_re=RegExp("(^|\\.)"+j.join("\\.(?:.*\\.)?")+"(\\.|$)");if(g||!f)b.preventDefault(),b.stopPropagation();if(f){if(!(f.nodeType===3||f.nodeType===8)){b.result=c;b.target=f;d=d!=null?e.makeArray(d):[];d.unshift(b);j=f;g=h.indexOf(":")<0?"on"+h:"";do{l=e._data(j,"handle");b.currentTarget=j;l&&l.apply(j,d);if(g&&e.acceptData(j)&&j[g]&&j[g].apply(j,d)===!1)b.result=!1,b.preventDefault();j=j.parentNode||j.ownerDocument||j===b.target.ownerDocument&&a}while(j&&!b.isPropagationStopped());
+if(!b.isDefaultPrevented()){var m,j=e.event.special[h]||{};if((!j._default||j._default.call(f.ownerDocument,b)===!1)&&!(h==="click"&&e.nodeName(f,"a"))&&e.acceptData(f)){try{if(g&&f[h])(m=f[g])&&(f[g]=null),e.event.triggered=h,f[h]()}catch(o){}m&&(f[g]=m);e.event.triggered=c}}return b.result}}else e.each(e.cache,function(){var a=this[e.expando];a&&a.events&&a.events[h]&&e.event.trigger(b,d,a.handle.elem)})}},handle:function(b){var b=e.event.fix(b||a.event),d=((e._data(this,"events")||{})[b.type]||
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-F(b),'" style="v-text-align:',A,";font:",F(C),'" /></g_vml_:line>');this.element_.insertAdjacentHTML("beforeEnd",u.join(""))};D.fillText=function(b,d,h,o){this.drawText_(b,d,h,o,!1)};D.strokeText=function(b,d,h,o){this.drawText_(b,d,h,o,!0)};D.measureText=function(b){if(!this.textMeasureEl_)this.element_.insertAdjacentHTML("beforeEnd",'<span style="position:absolute;top:-20000px;left:0;padding:0;margin:0;border:none;white-space:pre;"></span>'),this.textMeasureEl_=this.element_.lastChild;var d=this.element_.ownerDocument;
-this.textMeasureEl_.innerHTML="";this.textMeasureEl_.style.font=this.font;this.textMeasureEl_.appendChild(d.createTextNode(b));return{width:this.textMeasureEl_.offsetWidth}};D.clip=function(){};D.arcTo=function(){};D.createPattern=function(b,d){return new X(b,d)};x.prototype.addColorStop=function(b,d){d=r(d);this.colors_.push({offset:b,color:d.color,alpha:d.alpha})};D=L.prototype=Error();D.INDEX_SIZE_ERR=1;D.DOMSTRING_SIZE_ERR=2;D.HIERARCHY_REQUEST_ERR=3;D.WRONG_DOCUMENT_ERR=4;D.INVALID_CHARACTER_ERR=
-5;D.NO_DATA_ALLOWED_ERR=6;D.NO_MODIFICATION_ALLOWED_ERR=7;D.NOT_FOUND_ERR=8;D.NOT_SUPPORTED_ERR=9;D.INUSE_ATTRIBUTE_ERR=10;D.INVALID_STATE_ERR=11;D.SYNTAX_ERR=12;D.INVALID_MODIFICATION_ERR=13;D.NAMESPACE_ERR=14;D.INVALID_ACCESS_ERR=15;D.VALIDATION_ERR=16;D.TYPE_MISMATCH_ERR=17;G_vmlCanvasManager=$;CanvasRenderingContext2D=o;CanvasGradient=x;CanvasPattern=X;DOMException=L}();
+var RRDTime=function(a){this.parser(a)};RRDTime.EOF=-1;RRDTime.MIDNIGHT=0;RRDTime.NOON=1;RRDTime.TEATIME=2;RRDTime.PM=3;RRDTime.AM=4;RRDTime.YESTERDAY=5;RRDTime.TODAY=6;RRDTime.TOMORROW=7;RRDTime.NOW=8;RRDTime.START=9;RRDTime.END=10;RRDTime.EPOCH=11;RRDTime.SECONDS=12;RRDTime.MINUTES=13;RRDTime.HOURS=14;RRDTime.DAYS=15;RRDTime.WEEKS=16;RRDTime.MONTHS=17;RRDTime.YEARS=18;RRDTime.MONTHS_MINUTES=19;RRDTime.NUMBER=20;RRDTime.PLUS=21;RRDTime.MINUS=22;RRDTime.DOT=23;RRDTime.COLON=24;RRDTime.SLASH=25;
+RRDTime.ID=26;RRDTime.JUNK=27;RRDTime.JAN=28;RRDTime.FEB=29;RRDTime.MAR=30;RRDTime.APR=31;RRDTime.MAY=32;RRDTime.JUN=33;RRDTime.JUL=34;RRDTime.AUG=35;RRDTime.SEP=36;RRDTime.OCT=37;RRDTime.NOV=38;RRDTime.DEC=39;RRDTime.SUN=40;RRDTime.MON=41;RRDTime.TUE=42;RRDTime.WED=43;RRDTime.THU=44;RRDTime.FRI=45;RRDTime.SAT=46;
+RRDTime.variousWords=[{name:"midnight",value:RRDTime.MIDNIGHT},{name:"noon",value:RRDTime.NOON},{name:"teatime",value:RRDTime.TEATIME},{name:"am",value:RRDTime.AM},{name:"pm",value:RRDTime.PM},{name:"tomorrow",value:RRDTime.TOMORROW},{name:"yesterday",value:RRDTime.YESTERDAY},{name:"today",value:RRDTime.TODAY},{name:"now",value:RRDTime.NOW},{name:"n",value:RRDTime.NOW},{name:"start",value:RRDTime.START},{name:"s",value:RRDTime.START},{name:"end",value:RRDTime.END},{name:"e",value:RRDTime.END},{name:"epoch",
+value:RRDTime.EPOCH},{name:"jan",value:RRDTime.JAN},{name:"feb",value:RRDTime.FEB},{name:"mar",value:RRDTime.MAR},{name:"apr",value:RRDTime.APR},{name:"may",value:RRDTime.MAY},{name:"jun",value:RRDTime.JUN},{name:"jul",value:RRDTime.JUL},{name:"aug",value:RRDTime.AUG},{name:"sep",value:RRDTime.SEP},{name:"oct",value:RRDTime.OCT},{name:"nov",value:RRDTime.NOV},{name:"dec",value:RRDTime.DEC},{name:"january",value:RRDTime.JAN},{name:"february",value:RRDTime.FEB},{name:"march",value:RRDTime.MAR},{name:"april",
+value:RRDTime.APR},{name:"may",value:RRDTime.MAY},{name:"june",value:RRDTime.JUN},{name:"july",value:RRDTime.JUL},{name:"august",value:RRDTime.AUG},{name:"september",value:RRDTime.SEP},{name:"october",value:RRDTime.OCT},{name:"november",value:RRDTime.NOV},{name:"december",value:RRDTime.DEC},{name:"sunday",value:RRDTime.SUN},{name:"sun",value:RRDTime.SUN},{name:"monday",value:RRDTime.MON},{name:"mon",value:RRDTime.MON},{name:"tuesday",value:RRDTime.TUE},{name:"tue",value:RRDTime.TUE},{name:"wednesday",
+value:RRDTime.WED},{name:"wed",value:RRDTime.WED},{name:"thursday",value:RRDTime.THU},{name:"thu",value:RRDTime.THU},{name:"friday",value:RRDTime.FRI},{name:"fri",value:RRDTime.FRI},{name:"saturday",value:RRDTime.SAT},{name:"sat",value:RRDTime.SAT}];
+RRDTime.timeMultipliers=[{name:"second",value:RRDTime.SECONDS},{name:"seconds",value:RRDTime.SECONDS},{name:"sec",value:RRDTime.SECONDS},{name:"s",value:RRDTime.SECONDS},{name:"minute",value:RRDTime.MINUTES},{name:"minutes",value:RRDTime.MINUTES},{name:"min",value:RRDTime.MINUTES},{name:"m",value:RRDTime.MONTHS_MINUTES},{name:"hour",value:RRDTime.HOURS},{name:"hours",value:RRDTime.HOURS},{name:"hr",value:RRDTime.HOURS},{name:"h",value:RRDTime.HOURS},{name:"day",value:RRDTime.DAYS},{name:"days",value:RRDTime.DAYS},
+{name:"d",value:RRDTime.DAYS},{name:"week",value:RRDTime.WEEKS},{name:"weeks",value:RRDTime.WEEKS},{name:"wk",value:RRDTime.WEEKS},{name:"w",value:RRDTime.WEEKS},{name:"month",value:RRDTime.MONTHS},{name:"months",value:RRDTime.MONTHS},{name:"mon",value:RRDTime.MONTHS},{name:"year",value:RRDTime.YEARS},{name:"years",value:RRDTime.YEARS},{name:"yr",value:RRDTime.YEARS},{name:"y",value:RRDTime.YEARS}];RRDTime.ABSOLUTE_TIME=0;RRDTime.RELATIVE_TO_START_TIME=1;RRDTime.RELATIVE_TO_END_TIME=2;
+RRDTime.RELATIVE_TO_EPOCH=3;
+RRDTime.prototype={tokens:null,toklen:0,tokidx:0,token:null,tokid:0,type:0,offset:0,tm_sec:0,tm_min:0,tm_hour:0,tm_mday:0,tm_mon:0,tm_year:0,tm_wday:0,specials:null,gettok:function(){if(this.tokidx>=this.toklen)this.tokid=RRDTime.EOF;else if(this.token=this.tokens[this.tokidx],this.tokidx++,isNaN(this.token))if(this.token===":")this.tokid=RRDTime.COLON;else if(this.token===".")this.tokid=RRDTime.DOT;else if(this.token==="+")this.tokid=RRDTime.PLUS;else if(this.token==="/")this.tokid=RRDTime.SLASH;
+else if(this.token==="-")this.tokid=RRDTime.MINUS;else{this.tokid=RRDTime.ID;for(var a=0,c=this.specials.length;a<c;a++)if(this.specials[a].name===this.token){this.tokid=this.specials[a].value;break}}else this.tokid=RRDTime.NUMBER,this.token=parseInt(this.token,10);return this.tokid},plus_minus:function(a){var c=RRDTime.PLUS,d=-1;if(a>=0){c=a;if(this.gettok()!=RRDTime.NUMBER)throw"There should be number after '"+(c==RRDTime.PLUS?"+":"-")+"'";d=-1}a=this.token;if(this.gettok()==RRDTime.MONTHS_MINUTES)switch(d){case RRDTime.DAYS:case RRDTime.WEEKS:case RRDTime.MONTHS:case RRDTime.YEARS:this.tokid=
+RRDTime.MONTHS;break;case RRDTime.SECONDS:case RRDTime.MINUTES:case RRDTime.HOURS:this.tokid=RRDTime.MINUTES;break;default:this.tokid=a<6?RRDTime.MONTHS:RRDTime.MINUTES}switch(this.tokid){case RRDTime.YEARS:this.tm_year+=c==RRDTime.PLUS?a:-a;return;case RRDTime.MONTHS:this.tm_mon+=c==RRDTime.PLUS?a:-a;return;case RRDTime.WEEKS:a*=7;case RRDTime.DAYS:this.tm_mday+=c==RRDTime.PLUS?a:-a;return;case RRDTime.HOURS:this.offset+=c==RRDTime.PLUS?a*3600:-a*3600;return;case RRDTime.MINUTES:this.offset+=c==
+RRDTime.PLUS?a*60:-a*60;return;case RRDTime.SECONDS:this.offset+=c==RRDTime.PLUS?a:-a;return;default:this.offset+=c==RRDTime.PLUS?a:-a;return}throw"well-known time unit expected after "+a;},tod:function(){var a,c=0,d=this.tokid;if(!((this.token+"").length>2))if(a=this.token,this.gettok(),this.tokid==RRDTime.SLASH||this.tokid==RRDTime.DOT)this.tokid=d,this.token=a;else{if(this.tokid==RRDTime.COLON){if(this.gettok()!=RRDTime.NUMBER)throw"Parsing HH:MM syntax, expecting MM as number, got none";c=this.token;
+if(c>59)throw"parsing HH:MM syntax, got MM = "+c+" (>59!)";this.gettok()}if(this.tokid==RRDTime.AM||this.tokid==RRDTime.PM){if(a>12)throw"there cannot be more than 12 AM or PM hours";this.tokid==RRDTime.PM?a!=12&&(a+=12):a==12&&(a=0);this.gettok()}else if(a>23){this.tokid=d;this.token=a;return}this.tm_hour=a;this.tm_min=c;this.tm_sec=0;if(this.tm_hour==24)this.tm_hour=0,this.tm_mday++}},assign_date:function(a,c,d){if(d>138)if(d>1970)d-=1900;else throw"invalid year "+d+" (should be either 00-99 or >1900)";
+else d>=0&&d<38&&(d+=100);if(d<70)throw"won't handle dates before epoch (01/01/1970), sorry";this.tm_mday=a;this.tm_mon=c;this.tm_year=d},day:function(){var a=0,c,d=this.tm_year;switch(this.tokid){case RRDTime.YESTERDAY:this.tm_mday--;case RRDTime.TODAY:this.gettok();break;case RRDTime.TOMORROW:this.tm_mday++;this.gettok();break;case RRDTime.JAN:case RRDTime.FEB:case RRDTime.MAR:case RRDTime.APR:case RRDTime.MAY:case RRDTime.JUN:case RRDTime.JUL:case RRDTime.AUG:case RRDTime.SEP:case RRDTime.OCT:case RRDTime.NOV:case RRDTime.DEC:c=
+this.tokid-RRDTime.JAN;if(this.gettok()!=RRDTime.NUMBER)throw"the day of the month should follow month name";a=this.token;this.gettok()==RRDTime.NUMBER?(d=this.token,this.gettok()):d=this.tm_year;this.assign_date(a,c,d);break;case RRDTime.SUN:case RRDTime.MON:case RRDTime.TUE:case RRDTime.WED:case RRDTime.THU:case RRDTime.FRI:case RRDTime.SAT:c=this.tokid-RRDTime.SUN;this.tm_mday+=c-this.tm_wday;this.gettok();break;case RRDTime.NUMBER:c=this.token;if(c>31536E4){this.localtime(c);this.gettok();break}if(c>
+19700101&&c<24000101)a=this.token+"",d=parseInt(a.substr(0,4),10),c=parseInt(a.substr(4,2),10),a=parseInt(a.substr(6,2),10),this.gettok();else if(this.gettok(),c<=31&&(this.tokid==RRDTime.SLASH||this.tokid==RRDTime.DOT)){var b=this.tokid;if(this.gettok()!=RRDTime.NUMBER)throw"there should be "+(RRDTime.DOT?"month":"day")+" number after '"+(RRDTime.DOT?".":"/")+"'";a=this.token;if(this.gettok()==b){if(this.gettok()!=RRDTime.NUMBER)throw"there should be year number after '"+(b==RRDTime.DOT?".":"/")+
+"'";d=this.token;this.gettok()}b==RRDTime.DOT&&(b=a,a=c,c=b)}c--;if(c<0||c>11)throw"did you really mean month "+(c+1)+"?";if(a<1||a>31)throw"I'm afraid that "+a+" is not a valid day of the month";this.assign_date(a,c,d)}},parser:function(a){var c=new Date,d=0;this.specials=RRDTime.variousWords;this.tokens=(a+"").match(/[0-9]+|[A-Za-z]+|[:.+-\/]/g);this.toklen=this.tokens.length;this.type=RRDTime.ABSOLUTE_TIME;this.offset=0;this.tm_sec=c.getSeconds();this.tm_min=c.getMinutes();this.tm_hour=c.getHours();
+this.tm_mday=c.getDate();this.tm_mon=c.getMonth();this.tm_year=c.getFullYear()-1900;this.tm_wday=c.getDay();this.gettok();switch(this.tokid){case RRDTime.PLUS:case RRDTime.MINUS:break;case RRDTime.EPOCH:this.type=RRDTime.RELATIVE_TO_EPOCH;case RRDTime.START:case RRDTime.END:this.type=this.tokid===RRDTime.EPOCH?RRDTime.RELATIVE_TO_START_TIME:RRDTime.RELATIVE_TO_END_TIME,this.tm_year=this.tm_mon=this.tm_mday=this.tm_hour=this.tm_min=this.tm_sec=0;case RRDTime.NOW:a=this.tokid;this.gettok();if(this.tokid==
+RRDTime.PLUS||this.tokid==RRDTime.MINUS)break;if(a!=RRDTime.NOW)throw"'start' or 'end' MUST be followed by +|- offset";else if(this.tokid!=RRDTime.EOF)throw"if 'now' is followed by a token it must be +|- offset";break;case RRDTime.NUMBER:a=this.tm_hour;c=this.tm_year;this.tm_hour=30;this.tm_year=3E4;this.tod();this.day();this.tm_hour==30&&this.tm_year!=3E4&&this.tod();if(this.tm_hour==30)this.tm_hour=a;if(this.tm_year==3E4)this.tm_year=c;break;case RRDTime.JAN:case RRDTime.FEB:case RRDTime.MAR:case RRDTime.APR:case RRDTime.MAY:case RRDTime.JUN:case RRDTime.JUL:case RRDTime.AUG:case RRDTime.SEP:case RRDTime.OCT:case RRDTime.NOV:case RRDTime.DEC:this.day();
+if(this.tokid!=RRDTime.NUMBER)break;this.tod();break;case RRDTime.TEATIME:d+=4;case RRDTime.NOON:d+=12;case RRDTime.MIDNIGHT:this.tm_hour=d;this.tm_sec=this.tm_min=0;this.gettok();this.day();break;default:throw"unparsable time: "+this.token;}if(this.tokid==RRDTime.PLUS||this.tokid==RRDTime.MINUS)for(this.specials=RRDTime.timeMultipliers;this.tokid==RRDTime.PLUS||this.tokid==RRDTime.MINUS||this.tokid==RRDTime.NUMBER;)this.tokid==RRDTime.NUMBER?this.plus_minus(-1):this.plus_minus(this.tokid),this.gettok();
+if(this.tokid!=RRDTime.EOF)throw"unparsable trailing text: '..."+this.token+"'";},localtime:function(a){a=new Date(a*1E3);this.tm_sec=a.getSeconds();this.tm_min=a.getMinutes();this.tm_hour=a.getHours();this.tm_mday=a.getDate();this.tm_mon=a.getMonth();this.tm_year=a.getFullYear()-1900;this.tm_wday=a.getDay()},mktime:function(){return Math.round((new Date(this.tm_year+1900,this.tm_mon,this.tm_mday,this.tm_hour,this.tm_min,this.tm_sec)).getTime()/1E3)}};
+RRDTime.proc_start_end=function(a,c){var d,b;if(a.type==RRDTime.RELATIVE_TO_END_TIME&&c.type==RRDTime.RELATIVE_TO_START_TIME)throw"the start and end times cannot be specified relative to each other";if(a.type==RRDTime.RELATIVE_TO_START_TIME)throw"the start time cannot be specified relative to itself";if(c.type==RRDTime.RELATIVE_TO_END_TIME)throw"the end time cannot be specified relative to itself";a.type==RRDTime.RELATIVE_TO_END_TIME?(b=c.mktime()+c.offset,b=new Date(b*1E3),b.setDate(b.getDate()+
+a.tm_mday),b.setMonth(b.getMonth()+a.tm_mon),b.setFullYear(b.getFullYear()+a.tm_year),d=Math.round(b.getTime()/1E3)+a.offset):d=a.mktime()+a.offset;c.type==RRDTime.RELATIVE_TO_START_TIME?(d=a.mktime()+a.offset,b=new Date(d*1E3),b.setDate(b.getDate()+c.tm_mday),b.setMonth(b.getMonth()+c.tm_mon),b.setFullYear(b.getFullYear()+c.tm_year),b=Math.round(b.getTime()/1E3)+c.offset):b=c.mktime()+c.offset;return[d,b]};var RRDRpn=function(a,c){this.parser(a,c)};
+RRDRpn.OP={NUMBER:0,VARIABLE:1,INF:2,PREV:3,NEGINF:4,UNKN:5,NOW:6,TIME:7,ADD:8,MOD:9,SUB:10,MUL:11,DIV:12,SIN:13,DUP:14,EXC:15,POP:16,COS:17,LOG:18,EXP:19,LT:20,LE:21,GT:22,GE:23,EQ:24,IF:25,MIN:26,MAX:27,LIMIT:28,FLOOR:29,CEIL:30,UN:31,END:32,LTIME:33,NE:34,ISINF:35,PREV_OTHER:36,COUNT:37,ATAN:38,SQRT:39,SORT:40,REV:41,TREND:42,TRENDNAN:43,ATAN2:44,RAD2DEG:45,DEG2RAD:46,PREDICT:47,PREDICTSIGMA:48,AVG:49,ABS:50,ADDNAN:51};RRDRpn.STACK_UNDERFLOW="RPN stack underflow";
+RRDRpn.prototype={rpnstack:null,rpnp:null,find_var:function(a,c){for(var d=0,b=a.length;d<b;d++)if((a[d].gf==RRDGraphDesc.GF.DEF||a[d].gf==RRDGraphDesc.GF.VDEF||a[d].gf==RRDGraphDesc.GF.CDEF)&&a[d].vname==c)return d;return-1},parser:function(a,c){var d=-1,b,f=a.split(",");this.rpnp=[];for(var g=0,h=f.length;g<h;g++)if(b=f[g].toUpperCase(),d++,this.rpnp[d]={},isNaN(b))if(b==="+")this.rpnp[d].op=RRDRpn.OP.ADD;else if(b==="-")this.rpnp[d].op=RRDRpn.OP.SUB;else if(b==="*")this.rpnp[d].op=RRDRpn.OP.MUL;
+else if(b==="/")this.rpnp[d].op=RRDRpn.OP.DIV;else if(b==="%")this.rpnp[d].op=RRDRpn.OP.MOD;else if(b==="SIN")this.rpnp[d].op=RRDRpn.OP.SIN;else if(b==="COS")this.rpnp[d].op=RRDRpn.OP.COS;else if(b==="LOG")this.rpnp[d].op=RRDRpn.OP.LOG;else if(b==="FLOOR")this.rpnp[d].op=RRDRpn.OP.FLOOR;else if(b==="CEIL")this.rpnp[d].op=RRDRpn.OP.CEIL;else if(b==="EXP")this.rpnp[d].op=RRDRpn.OP.EXP;else if(b==="DUP")this.rpnp[d].op=RRDRpn.OP.DUP;else if(b==="EXC")this.rpnp[d].op=RRDRpn.OP.EXC;else if(b==="POP")this.rpnp[d].op=
+RRDRpn.OP.POP;else if(b==="LTIME")this.rpnp[d].op=RRDRpn.OP.LTIME;else if(b==="LT")this.rpnp[d].op=RRDRpn.OP.LT;else if(b==="LE")this.rpnp[d].op=RRDRpn.OP.LE;else if(b==="GT")this.rpnp[d].op=RRDRpn.OP.GT;else if(b==="GE")this.rpnp[d].op=RRDRpn.OP.GE;else if(b==="EQ")this.rpnp[d].op=RRDRpn.OP.EQ;else if(b==="IF")this.rpnp[d].op=RRDRpn.OP.IF;else if(b==="MIN")this.rpnp[d].op=RRDRpn.OP.MIN;else if(b==="MAX")this.rpnp[d].op=RRDRpn.OP.MAX;else if(b==="LIMIT")this.rpnp[d].op=RRDRpn.OP.LIMIT;else if(b===
+"UNKN")this.rpnp[d].op=RRDRpn.OP.UNKN;else if(b==="UN")this.rpnp[d].op=RRDRpn.OP.UN;else if(b==="NEGINF")this.rpnp[d].op=RRDRpn.OP.NEGINF;else if(b==="NE")this.rpnp[d].op=RRDRpn.OP.NE;else if(b==="COUNT")this.rpnp[d].op=RRDRpn.OP.COUNT;else if(/PREV\([-_A-Za-z0-9]+\)/.test(b)){if(b=f[g].match(/PREV\(([-_A-Za-z0-9]+)\)/i),b.length==2)this.rpnp[d].op=RRDRpn.OP.PREV_OTHER,this.rpnp[d].ptr=this.find_var(c,b[1])}else if(b==="PREV")this.rpnp[d].op=RRDRpn.OP.PREV;else if(b==="INF")this.rpnp[d].op=RRDRpn.OP.INF;
+else if(b==="ISINF")this.rpnp[d].op=RRDRpn.OP.ISINF;else if(b==="NOW")this.rpnp[d].op=RRDRpn.OP.NOW;else if(b==="TIME")this.rpnp[d].op=RRDRpn.OP.TIME;else if(b==="ATAN2")this.rpnp[d].op=RRDRpn.OP.ATAN2;else if(b==="ATAN")this.rpnp[d].op=RRDRpn.OP.ATAN;else if(b==="SQRT")this.rpnp[d].op=RRDRpn.OP.SQRT;else if(b==="SORT")this.rpnp[d].op=RRDRpn.OP.SORT;else if(b==="REV")this.rpnp[d].op=RRDRpn.OP.REV;else if(b==="TREND")this.rpnp[d].op=RRDRpn.OP.TREND;else if(b==="TRENDNAN")this.rpnp[d].op=RRDRpn.OP.TRENDNAN;
+else if(b==="PREDICT")this.rpnp[d].op=RRDRpn.OP.PREDICT;else if(b==="PREDICTSIGMA")this.rpnp[d].op=RRDRpn.OP.PREDICTSIGMA;else if(b==="RAD2DEG")this.rpnp[d].op=RRDRpn.OP.RAD2DEG;else if(b==="DEG2RAD")this.rpnp[d].op=RRDRpn.OP.DEG2RAD;else if(b==="AVG")this.rpnp[d].op=RRDRpn.OP.AVG;else if(b==="ABS")this.rpnp[d].op=RRDRpn.OP.ABS;else if(b==="ADDNAN")this.rpnp[d].op=RRDRpn.OP.ADDNAN;else if(/[-_A-Za-z0-9]+/.test(b))this.rpnp[d].ptr=this.find_var(c,f[g]),this.rpnp[d].op=RRDRpn.OP.VARIABLE;else return;
+else this.rpnp[d].op=RRDRpn.OP.NUMBER,this.rpnp[d].val=parseFloat(b);this.rpnp[d+1]={};this.rpnp[d+1].op=RRDRpn.OP.END},compare_double:function(a,c){var d=a-c;return d<0?-1:d>0?1:0},fmod:function(a,c){var d,b=0,f=d=0,g=0;d=a.toExponential().match(/^.\.?(.*)e(.+)$/);b=parseInt(d[2],10)-(d[1]+"").length;d=c.toExponential().match(/^.\.?(.*)e(.+)$/);d=parseInt(d[2],10)-(d[1]+"").length;d>b&&(b=d);d=a%c;return b<-100||b>20?(f=Math.round(Math.log(d)/Math.log(10)),g=Math.pow(10,f),(d/g).toFixed(f-b)*g):
+parseFloat(d.toFixed(-b))},calc:function(a,c,d){var b=-1;this.rpnstack=[];for(var f=0;this.rpnp[f].op!=RRDRpn.OP.END;f++)switch(this.rpnp[f].op){case RRDRpn.OP.NUMBER:this.rpnstack[++b]=this.rpnp[f].val;break;case RRDRpn.OP.VARIABLE:case RRDRpn.OP.PREV_OTHER:if(this.rpnp[f].ds_cnt==0)throw"VDEF made it into rpn_calc... aborting";else this.rpnp[f].op==RRDRpn.OP.VARIABLE?this.rpnstack[++b]=this.rpnp[f].data[this.rpnp[f].pdata]:d<=0?this.rpnstack[++b]=Number.NaN:this.rpnstack[++b]=this.rpnp[f].data[this.rpnp[f].pdata-
+this.rpnp[f].ds_cnt],a%this.rpnp[f].step==0&&(this.rpnp[f].pdata+=this.rpnp[f].ds_cnt);break;case RRDRpn.OP.COUNT:this.rpnstack[++b]=d+1;break;case RRDRpn.OP.PREV:d<=0?this.rpnstack[++b]=Number.NaN:this.rpnstack[++b]=c[d-1];break;case RRDRpn.OP.UNKN:this.rpnstack[++b]=Number.NaN;break;case RRDRpn.OP.INF:this.rpnstack[++b]=Infinity;break;case RRDRpn.OP.NEGINF:this.rpnstack[++b]=-Infinity;break;case RRDRpn.OP.NOW:this.rpnstack[++b]=Math.round((new Date).getTime()/1E3);break;case RRDRpn.OP.TIME:this.rpnstack[++b]=
+a;break;case RRDRpn.OP.LTIME:var g=new Date(a*1E3);this.rpnstack[++b]=g.getTimezoneOffset()*60+a;break;case RRDRpn.OP.ADD:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]+=this.rpnstack[b];b--;break;case RRDRpn.OP.ADDNAN:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])?this.rpnstack[b-1]=this.rpnstack[b]:isNaN(this.rpnstack[b])||(this.rpnstack[b-1]+=this.rpnstack[b]);b--;break;case RRDRpn.OP.SUB:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]-=this.rpnstack[b];b--;break;
+case RRDRpn.OP.MUL:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]*=this.rpnstack[b];b--;break;case RRDRpn.OP.DIV:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]/=this.rpnstack[b];b--;break;case RRDRpn.OP.MOD:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]=this.fmod(this.rpnstack[b-1],this.rpnstack[b]);b--;break;case RRDRpn.OP.SIN:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.sin(this.rpnstack[b]);break;case RRDRpn.OP.ATAN:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=
+Math.atan(this.rpnstack[b]);break;case RRDRpn.OP.RAD2DEG:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]*=57.29577951;break;case RRDRpn.OP.DEG2RAD:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]*=0.0174532952;break;case RRDRpn.OP.ATAN2:if(b<1)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-1]=Math.atan2(this.rpnstack[b-1],this.rpnstack[b]);b--;break;case RRDRpn.OP.COS:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.cos(this.rpnstack[b]);break;case RRDRpn.OP.CEIL:if(b<0)throw RRDRpn.STACK_UNDERFLOW;
+this.rpnstack[b]=Math.ceil(this.rpnstack[b]);break;case RRDRpn.OP.FLOOR:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.floor(this.rpnstack[b]);break;case RRDRpn.OP.LOG:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.log(this.rpnstack[b]);break;case RRDRpn.OP.DUP:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b+1]=this.rpnstack[b];b++;break;case RRDRpn.OP.POP:if(b<0)throw RRDRpn.STACK_UNDERFLOW;b--;break;case RRDRpn.OP.EXC:if(b<1)throw RRDRpn.STACK_UNDERFLOW;g=this.rpnstack[b];
+this.rpnstack[b]=this.rpnstack[b-1];this.rpnstack[b-1]=g;break;case RRDRpn.OP.EXP:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.exp(this.rpnstack[b]);break;case RRDRpn.OP.LT:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:this.rpnstack[b-1]<this.rpnstack[b]?1:0);b--;break;case RRDRpn.OP.LE:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:
+this.rpnstack[b-1]<=this.rpnstack[b]?1:0);b--;break;case RRDRpn.OP.GT:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:this.rpnstack[b-1]>this.rpnstack[b]?1:0);b--;break;case RRDRpn.OP.GE:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:this.rpnstack[b-1]>=this.rpnstack[b]?1:0);b--;break;case RRDRpn.OP.NE:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-
+1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:this.rpnstack[b-1]==this.rpnstack[b]?0:1);b--;break;case RRDRpn.OP.EQ:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(this.rpnstack[b-1]=isNaN(this.rpnstack[b])?this.rpnstack[b]:this.rpnstack[b-1]==this.rpnstack[b]?1:0);b--;break;case RRDRpn.OP.IF:if(b<2)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b-2]=isNaN(this.rpnstack[b-2])||this.rpnstack[b-2]==0?this.rpnstack[b]:this.rpnstack[b-1];b--;b--;break;case RRDRpn.OP.MIN:if(b<
+1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(isNaN(this.rpnstack[b])?this.rpnstack[b-1]=this.rpnstack[b]:this.rpnstack[b-1]>this.rpnstack[b]&&(this.rpnstack[b-1]=this.rpnstack[b]));b--;break;case RRDRpn.OP.MAX:if(b<1)throw RRDRpn.STACK_UNDERFLOW;isNaN(this.rpnstack[b-1])||(isNaN(this.rpnstack[b])?this.rpnstack[b-1]=this.rpnstack[b]:this.rpnstack[b-1]<this.rpnstack[b]&&(this.rpnstack[b-1]=this.rpnstack[b]));b--;break;case RRDRpn.OP.LIMIT:if(b<2)throw RRDRpn.STACK_UNDERFLOW;if(!isNaN(this.rpnstack[b-
+2]))if(isNaN(this.rpnstack[b-1]))this.rpnstack[b-2]=this.rpnstack[b-1];else if(isNaN(this.rpnstack[b]))this.rpnstack[b-2]=this.rpnstack[b];else if(this.rpnstack[b-2]<this.rpnstack[b-1])this.rpnstack[b-2]=Number.NaN;else if(this.rpnstack[b-2]>this.rpnstack[b])this.rpnstack[b-2]=Number.NaN;b-=2;break;case RRDRpn.OP.UN:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=isNaN(this.rpnstack[b])?1:0;break;case RRDRpn.OP.ISINF:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=isInfinite(this.rpnstack[b])?
+1:0;break;case RRDRpn.OP.SQRT:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=Math.sqrt(this.rpnstack[b]);break;case RRDRpn.OP.SORT:if(b<0)throw RRDRpn.STACK_UNDERFLOW;g=this.rpnstack[b--];if(b<g-1)throw RRDRpn.STACK_UNDERFLOW;var h=this.rpnstack.slice(b-g+1,b+1);h.sort(this.compare_double);for(var g=b-g+1,j=0;g<b+1;g++,j++)this.rpnstack[g]=h[j];break;case RRDRpn.OP.REV:if(b<0)throw RRDRpn.STACK_UNDERFLOW;g=this.rpnstack[b--];if(b<g-1)throw RRDRpn.STACK_UNDERFLOW;h=this.rpnstack.slice(b-g+1,
+b+1);h.reverse();g=b-g+1;for(j=0;g<b+1;g++,j++)this.rpnstack[g]=h[j];break;case RRDRpn.OP.PREDICT:case RRDRpn.OP.PREDICTSIGMA:if(b<2)throw RRDRpn.STACK_UNDERFLOW;var g=this.rpnstack[--b],m=this.rpnstack[--b];if(b<m)throw RRDRpn.STACK_UNDERFLOW;m<0?b--:b-=m;var h=Number.NaN,n=this.rpnp[f-1].step,q=this.rpnp[f-1].ds_cnt,p=Math.ceil(g/n),l=0,o=0,j=0,E=m;m<0&&(E=-m);for(var w=0;w<E;w++){var A=1,A=m<0?w*this.rpnstack[b]:this.rpnstack[b+w];if(A<0)throw"negative shift step not allowed: "+A;A=Math.ceil(A/
+n);for(g=0;g<=p;g++)h=A+g,h>=0&&h<d&&(h=this.rpnp[f-1].data[-q*h],isNaN(h)||(l+=h,o+=h*h,j++))}h=Number.NaN;this.rpnp[f].op==RRDRpn.OP.PREDICT?j>0&&(h=l/j):j>1&&(h=j*o-l*l,h=h<0?Number.NaN:Math.sqrt(h/(j*(j-1))));this.rpnstack[b]=h;break;case RRDRpn.OP.TREND:case RRDRpn.OP.TRENDNAN:if(b<1)throw RRDRpn.STACK_UNDERFLOW;if(f<2||this.rpnp[f-2].op!=RRDRpn.OP.VARIABLE)throw"malformed trend arguments";else if(m=this.rpnstack[b],n=this.rpnp[f-2].step,d>Math.ceil(m/n)){q=this.rpnp[f].op==RRDRpn.OP.TREND;j=
+g=p=0;do{h=this.rpnp[f-2].data[this.rpnp[f-2].ds_cnt*g--];if(q||!isNaN(h))p+=h,++j;m-=n}while(m>0);this.rpnstack[--b]=j==0?Number.NaN:p/j}else this.rpnstack[--b]=Number.NaN;break;case RRDRpn.OP.AVG:if(b<0)throw RRDRpn.STACK_UNDERFLOW;g=this.rpnstack[b--];j=l=0;if(b<g-1)throw RRDRpn.STACK_UNDERFLOW;for(;g>0;)h=this.rpnstack[b--],g--,isNaN(h)||(j++,l+=h);j>0?this.rpnstack[++b]=l/j:this.rpnstack[++b]=Number.NaN;break;case RRDRpn.OP.ABS:if(b<0)throw RRDRpn.STACK_UNDERFLOW;this.rpnstack[b]=fabs(this.rpnstack[b])}if(b!=
+0)throw"RPN final stack size != 1";c[d]=this.rpnstack[0];return 0}};var RRDGraphDesc=function(a){this.init(a)};RRDGraphDesc.GF={PRINT:0,GPRINT:1,COMMENT:2,HRULE:3,VRULE:4,LINE:5,AREA:6,STACK:7,TICK:8,TEXTALIGN:9,DEF:10,CDEF:11,VDEF:12,SHIFT:13,XPORT:14};RRDGraphDesc.VDEF={MAXIMUM:0,MINIMUM:1,AVERAGE:2,STDEV:3,PERCENT:4,TOTAL:5,FIRST:6,LAST:7,LSLSLOPE:8,LSLINT:9,LSLCORREL:10,PERCENTNAN:11};
+RRDGraphDesc.CF={AVERAGE:0,MINIMUM:1,MAXIMUM:2,LAST:3,HWPREDICT:4,SEASONAL:5,DEVPREDICT:6,DEVSEASONAL:7,FAILURES:8,MHWPREDICT:9};RRDGraphDesc.TXA={LEFT:0,RIGHT:1,CENTER:2,JUSTIFIED:3};
+RRDGraphDesc.prototype={gf:null,stack:!1,debug:!1,vname:null,vidx:Number.NaN,rrd:null,ds_nam:null,ds:-1,cf:null,cf_reduce:null,col:null,format:null,legend:null,strftm:!1,leg_x:0,leg_y:0,yrule:Number.NaN,xrule:0,vf:null,rpnp:null,shidx:0,shval:0,shift:0,start:0,end:0,start_orig:0,end_orig:0,step:0,step_orig:0,ds_cnt:0,data_first:0,ds_namv:null,data:null,p_data:null,linewidth:0,dash:!1,p_dashes:null,ndash:!1,offset:0,txtalign:0,init:function(a){this.step_orig=this.step=a.step;this.start_orig=this.start=
+a.start;this.end_orig=this.end=a.end;this.cf_reduce=this.cf=RRDGraphDesc.CF.AVERAGE;this.data=[];this.pdata=[];this.ds_namv=[]}};Date.prototype.getWeek=function(){var a=new Date(this.getFullYear(),0,1);return Math.ceil(((this-a)/864E5+a.getDay()+1)/7)};var RRDGraph=function(){this.init.apply(this,arguments)};RRDGraph.pad2=function(a){return(a<10?"0":"")+a};RRDGraph.pad3=function(a){return(a<10?"00":a<100?"0":"")+a};RRDGraph.lpad=function(a,c,d){for(;a.length<d;)a=c+a;return a};RRDGraph.days="Sun,Mon,Tue,Wed,Thu,Fri,Sat".split(",");
+RRDGraph.fdays="Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday".split(",");RRDGraph.months="Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec".split(",");RRDGraph.fmonths="January,February,March,April,May,June,July,August,September,October,November,December".split(",");RRDGraph.TMT={SECOND:0,MINUTE:1,HOUR:2,DAY:3,WEEK:4,MONTH:5,YEAR:6};
+RRDGraph.prototype={xlab:[{minsec:0,length:0,gridtm:RRDGraph.TMT.SECOND,gridst:30,mgridtm:RRDGraph.TMT.MINUTE,mgridst:5,labtm:RRDGraph.TMT.MINUTE,labst:5,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:2,length:0,gridtm:RRDGraph.TMT.MINUTE,gridst:1,mgridtm:RRDGraph.TMT.MINUTE,mgridst:5,labtm:RRDGraph.TMT.MINUTE,labst:5,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:5,length:0,gridtm:RRDGraph.TMT.MINUTE,
+gridst:2,mgridtm:RRDGraph.TMT.MINUTE,mgridst:10,labtm:RRDGraph.TMT.MINUTE,labst:10,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:10,length:0,gridtm:RRDGraph.TMT.MINUTE,gridst:5,mgridtm:RRDGraph.TMT.MINUTE,mgridst:20,labtm:RRDGraph.TMT.MINUTE,labst:20,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:30,length:0,gridtm:RRDGraph.TMT.MINUTE,gridst:10,mgridtm:RRDGraph.TMT.HOUR,mgridst:1,labtm:RRDGraph.TMT.HOUR,
+labst:1,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:60,length:0,gridtm:RRDGraph.TMT.MINUTE,gridst:30,mgridtm:RRDGraph.TMT.HOUR,mgridst:2,labtm:RRDGraph.TMT.HOUR,labst:2,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:60,length:86400,gridtm:RRDGraph.TMT.MINUTE,gridst:30,mgridtm:RRDGraph.TMT.HOUR,mgridst:2,labtm:RRDGraph.TMT.HOUR,labst:6,precis:0,stst:function(a){return RRDGraph.days[a.getDay()]+
+" "+RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:180,length:0,gridtm:RRDGraph.TMT.HOUR,gridst:1,mgridtm:RRDGraph.TMT.HOUR,mgridst:6,labtm:RRDGraph.TMT.HOUR,labst:6,precis:0,stst:function(a){return RRDGraph.pad2(a.getHours())+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:180,length:86400,gridtm:RRDGraph.TMT.HOUR,gridst:1,mgridtm:RRDGraph.TMT.HOUR,mgridst:6,labtm:RRDGraph.TMT.HOUR,labst:12,precis:0,stst:function(a){return RRDGraph.days[a.getDay()]+" "+RRDGraph.pad2(a.getHours())+
+":"+RRDGraph.pad2(a.getMinutes())}},{minsec:600,length:0,gridtm:RRDGraph.TMT.HOUR,gridst:6,mgridtm:RRDGraph.TMT.DAY,mgridst:1,labtm:RRDGraph.TMT.DAY,labst:1,precis:86400,stst:function(a){return RRDGraph.days[a.getDay()]}},{minsec:1200,length:0,gridtm:RRDGraph.TMT.HOUR,gridst:6,mgridtm:RRDGraph.TMT.DAY,mgridst:1,labtm:RRDGraph.TMT.DAY,labst:1,precis:86400,stst:function(a){return RRDGraph.pad2(a.getDate())}},{minsec:1800,length:0,gridtm:RRDGraph.TMT.HOUR,gridst:12,mgridtm:RRDGraph.TMT.DAY,mgridst:1,
+labtm:RRDGraph.TMT.DAY,labst:2,precis:86400,stst:function(a){return RRDGraph.days[a.getDay()]+" "+RRDGraph.pad2(a.getDate())}},{minsec:2400,length:0,gridtm:RRDGraph.TMT.HOUR,gridst:12,mgridtm:RRDGraph.TMT.DAY,mgridst:1,labtm:RRDGraph.TMT.DAY,labst:2,precis:86400,stst:function(a){return RRDGraph.days[a.getDay()]}},{minsec:3600,length:0,gridtm:RRDGraph.TMT.DAY,gridst:1,mgridtm:RRDGraph.TMT.WEEK,mgridst:1,labtm:RRDGraph.TMT.WEEK,labst:1,precis:604800,stst:function(a){return"Week "+RRDGraph.pad2(a.getWeek())}},
+{minsec:10800,length:0,gridtm:RRDGraph.TMT.WEEK,gridst:1,mgridtm:RRDGraph.TMT.MONTH,mgridst:1,labtm:RRDGraph.TMT.WEEK,labst:2,precis:604800,stst:function(a){return"Week "+RRDGraph.pad2(a.getWeek())}},{minsec:21600,length:0,gridtm:RRDGraph.TMT.MONTH,gridst:1,mgridtm:RRDGraph.TMT.MONTH,mgridst:1,labtm:RRDGraph.TMT.MONTH,labst:1,precis:2592E3,stst:function(a){return RRDGraph.months[a.getMonth()]}},{minsec:172800,length:0,gridtm:RRDGraph.TMT.MONTH,gridst:1,mgridtm:RRDGraph.TMT.MONTH,mgridst:3,labtm:RRDGraph.TMT.MONTH,
+labst:3,precis:2592E3,stst:function(a){return RRDGraph.months[a.getMonth()]}},{minsec:315360,length:0,gridtm:RRDGraph.TMT.MONTH,gridst:3,mgridtm:RRDGraph.TMT.YEAR,mgridst:1,labtm:RRDGraph.TMT.YEAR,labst:1,precis:31536E3,stst:function(a){return""+a.getFullYear()}},{minsec:864E3,length:0,gridtm:RRDGraph.TMT.YEAR,gridst:1,mgridtm:RRDGraph.TMT.YEAR,mgridst:1,labtm:RRDGraph.TMT.YEAR,labst:1,precis:31536E3,stst:function(a){return(""+a.getFullYear()).substr(2,4)}},{minsec:-1,length:0,gridtm:RRDGraph.TMT.MONTH,
+gridst:0,mgridtm:RRDGraph.TMT.MONTH,mgridst:0,labtm:RRDGraph.TMT.MONTH,labst:0,precis:0,stst:null}],ylab:[{grid:0.1,lfac:[1,2,5,10]},{grid:0.2,lfac:[1,5,10,20]},{grid:0.5,lfac:[1,2,4,10]},{grid:1,lfac:[1,2,5,10]},{grid:2,lfac:[1,5,10,20]},{grid:5,lfac:[1,2,4,10]},{grid:10,lfac:[1,2,5,10]},{grid:20,lfac:[1,5,10,20]},{grid:50,lfac:[1,2,4,10]},{grid:100,lfac:[1,2,5,10]},{grid:200,lfac:[1,5,10,20]},{grid:500,lfac:[1,2,4,10]},{grid:0,lfac:[0,0,0,0]}],si_symbol:"a,f,p,n,u,m, ,k,M,G,T,P,E".split(","),si_symbcenter:6,
+GRC:null,GFX_H:{LEFT:1,RIGHT:2,CENTER:3},GFX_V:{TOP:1,BOTTOM:2,CENTER:3},DEFAULT_FONT:"DejaVu Sans Mono",TEXT:null,MGRIDWIDTH:0.6,GRIDWIDTH:0.4,YLEGEND_ANGLE:90,LEGEND_POS:{NORTH:0,WEST:1,SOUTH:2,EAST:3},LEGEND_DIR:{TOP_DOWN:0,BOTTOM_UP:1},canvas:null,ctx:null,xsize:400,ysize:100,ylegend:null,title:"",watermark:null,draw_x_grid:!0,draw_y_grid:!0,draw_3d_border:2,dynamic_labels:!1,grid_dash_on:1,grid_dash_off:1,xlab_form:null,second_axis_scale:0,second_axis_shift:0,second_axis_legend:null,second_axis_format:null,
+ygridstep:Number.NaN,ylabfact:0,tabwidth:40,start:0,start_t:null,end:0,end_t:null,step:0,setminval:Number.NaN,setmaxval:Number.NaN,minval:Number.NaN,maxval:Number.NaN,rigid:!1,gridfit:!0,lazy:0,slopemode:!1,legendposition:0,legenddirection:0,logarithmic:!1,force_scale_min:0,force_scale_max:0,xorigin:0,yorigin:0,xOriginTitle:0,yOriginTitle:0,xOriginLegendY:0,yOriginLegendY:0,xOriginLegendY2:0,yOriginLegendY2:0,xOriginLegend:0,yOriginLegend:0,ximg:0,yimg:0,legendwidth:0,legendheight:0,zoom:1,magfact:0,
+base:1E3,symbol:null,viewfactor:1,unitsexponent:9999,unitslength:6,forceleftspace:!1,alt_ygrid:!1,alt_autoscale:!1,alt_autoscale_min:!1,alt_autoscale_max:!1,no_legend:!1,no_minor:!1,only_graph:!1,force_rules_legend:!1,force_units:!1,force_unit_si:!1,full_size_mode:!1,no_rrdtool_tag:!1,xlab_user:null,ygrid_scale:null,gdes:null,ytr_pixie:0,xtr_pixie:0,rrdfiles:null,init:function(a){this.canvas=document.getElementById(a);this.ctx=this.canvas.getContext("2d");this.AlmostEqualBuffer=new ArrayBuffer(Float32Array.BYTES_PER_ELEMENT*
+2);this.AlmostEqualInt=new Int32Array(this.AlmostEqualBuffer);this.AlmostEqualFloat=new Float32Array(this.AlmostEqualBuffer);this.legenddirection=this.LEGEND_DIR.TOP_DOWN;this.legendposition=this.LEGEND_POS.SOUTH;this.gdes=[];this.rrdfiles={};this.TEXT={DEFAULT:{size:11,font:this.DEFAULT_FONT},TITLE:{size:12,font:this.DEFAULT_FONT},AXIS:{size:10,font:this.DEFAULT_FONT},UNIT:{size:11,font:this.DEFAULT_FONT},LEGEND:{size:11,font:this.DEFAULT_FONT},WATERMARK:{size:8,font:this.DEFAULT_FONT}};this.GRC=
+{CANVAS:"rgba(255, 255, 255, 1.0)",BACK:"rgba(242,242, 242, 1.0)",SHADEA:"rgba(207, 207, 207, 1.0)",SHADEB:"rgba(158, 158, 158, 1.0)",GRID:"rgba(143, 143, 143, 0.75)",MGRID:"rgba(222, 79, 79, 0.60)",FONT:"rgba(0, 0, 0, 1.0)",ARROW:"rgba(127, 31, 31, 1.0)",AXIS:"rgba(31, 31, 31, 1.0)",FRAME:"rgba(0, 0, 0, 1.0)"};this.start_t=new RRDTime("end-24h");this.end_t=new RRDTime("now")},set_default_font:function(a){for(var c in this.TEXT)this.TEXT[c].font=a},set_option:function(a,c){switch(a){case "alt-autoscale":case "A":this.alt_autoscale=
+!0;break;case "base":case "b":this.base=parseInt(c,10);if(this.base!==1E3&&this.base!==1024)throw"the only sensible value for base apart from 1000 is 1024";break;case "color":case "c":var d=c.indexOf("#");if(d===-1)throw"invalid color def format";var b=c.substr(0,d);if(!this.GRC[b])throw"invalid color name '"+b+"'";this.GRC[b]=c.substr(d);break;case "full-size-mode":case "D":this.full_size_mode=!0;break;case "slope-mode":case "E":this.slopemode=!0;break;case "end":case "e":this.end_t=new RRDTime(c);
+break;case "force-rules-legend":case "F":this.force_rules_legend=!0;break;case "imginfo":case "f":break;case "graph-render-mode":case "G":break;case "no-legend":case "g":this.no_legend=!0;break;case "height":case "h":this.ysize=parseInt(c,10);break;case "no-minor":case "I":this.no_minor=!1;break;case "interlaced":case "i":break;case "alt-autoscale-min":case "J":this.alt_autoscale_min=!0;break;case "only-graph":case "j":this.only_graph=!0;break;case "units-length":case "L":this.unitslength=parseInt(c,
+10);this.forceleftspace=!0;break;case "lower-limit":case "l":this.setminval=parseFloat(c);break;case "alt-autoscale-max":case "M":this.alt_autoscale_max=!0;break;case "zoom":case "m":this.zoom=parseFloat(c);if(this.zoom<=0)throw"zoom factor must be > 0";break;case "no-gridfit":case "N":this.gridfit=!0;break;case "font":case "n":d=c.split(":");if(d.length!==3)throw"invalid text property format";if(!this.TEXT[d[0]])throw"invalid fonttag '"+d[0]+"'";if(d[1]>0)this.TEXT[d[0]].size=d[1];if(d[2])this.TEXT[d[0]].font=
+d[2];break;case "logarithmic":case "o":this.logarithmic=!0;break;case "pango-markup":case "P":break;case "font-render-mode":case "R":break;case "rigid":case "r":this.rigid=!0;break;case "step":this.step=parseInt(c,10);break;case "start":case "s":this.start_t=new RRDTime(c);break;case "tabwidth":case "T":this.tabwidth=parseFloat(c);break;case "title":case "t":this.title=c;break;case "upper-limit":case "u":this.setmaxval=parseFloat(c);break;case "vertical-label":case "v":this.ylegend=c;break;case "watermark":case "W":this.watermark=
+c;break;case "width":case "w":this.xsize=parseInt(c,10);if(this.xsize<10)throw"width below 10 pixels";break;case "units-exponent":case "X":this.unitsexponent=parseInt(c,10);break;case "x-grid":case "x":if(c==="none")this.draw_x_grid=!1;else{d=c.split(":");if(d.length!==8)throw"invalid x-grid format";this.xlab_user.gridtm=this.tmt_conv(d[0]);if(this.xlab_user.gridtm<0)throw"unknown keyword "+d[0];this.xlab_user.gridst=parseInt(d[1],10);this.xlab_user.mgridtm=this.tmt_conv(d[2]);if(this.xlab_user.mgridtm<
+2)throw"unknown keyword "+d[2];this.xlab_user.mgridst=parseInt(d[3],10);this.xlab_user.labtm=this.tmt_conv(d[4]);if(this.xlab_user.labtm<0)throw"unknown keyword "+d[4];this.xlab_user.labst=parseInt(d[5],10);this.xlab_user.precis=parseInt(d[6],10);this.xlab_user.minsec=1;this.xlab_form=d[7];this.xlab_user.stst=this.xlab_form}break;case "alt-y-grid":case "Y":this.alt_y_grid=!0;break;case "y-grid":case "y":if(c==="none")this.draw_y_grid=!1;else{d=c.indexOf(":");if(d===-1)throw"invalid y-grid format";
+this.ygridstep=parseFloat(c.substr(0,d));if(this.ygridstep<=0)throw"grid step must be > 0";this.ylabfact=parseInt(c.substr(d+1),10);if(this.ylabfact<1)throw"label factor must be > 0";}break;case "lazy":case "z":this.lazy=1;break;case "units":if(this.force_units)throw"--units can only be used once!";if(c==="si")this.force_units_si=!0;else throw"invalid argument for --units: "+c;break;case "alt-y-mrtg":break;case "disable-rrdtool-tag":this.no_rrdtool_tag=!0;break;case "right-axis":d=c.indexOf(":");
+if(d===-1)throw"invalid right-axis format expected scale:shift";this.second_axis_scale=parseFloat(c.substr(0,d));if(this.second_axis_scale===0)throw"the second_axis_scale  must not be 0";this.second_axis_shift=parseFloat(c.substr(d+1));break;case "right-axis-label":this.second_axis_legend=c;break;case "right-axis-format":this.second_axis_format=c;break;case "legend-position":if(c==="north")this.legendposition=this.LEGEND_POS.NORTH;else if(c==="west")this.legendposition=this.LEGEND_POS.WEST;else if(c===
+"south")this.legendposition=this.LEGEND_POS.SOUTH;else if(c==="east")this.legendposition=this.LEGEND_POS.EAST;else throw"unknown legend-position '"+c+"'";break;case "legend-direction":if(c==="topdown")this.legenddirection=this.LEGEND_DIR.TOP_DOWN;else if(c==="bottomup")this.legenddirection=this.LEGEND_DIR.BOTTOM_UP;else throw"unknown legend-position '"+c+"'";break;case "border":this.draw_3d_border=parseInt(c,10);break;case "grid-dash":d=c.indexOf(":");if(d===-1)throw"expected grid-dash format float:float";
+this.grid_dash_on=parseFloat(c.substr(0,d));this.grid_dash_off=parseFloat(c.substr(d+1));break;case "dynamic-labels":this.dynamic_labels=!0;break;default:throw'Unknow option "'+a+'"';}},parse_color:function(a){var c;if(c=/^#?([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])$/.exec(a))return[parseInt(c[1]+c[1],16),parseInt(c[2]+c[2],16),parseInt(c[3]+c[3],16),1];else if(c=/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(a))return[parseInt(c[1],16),parseInt(c[2],16),parseInt(c[3],16),1];else if(c=
+/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(a))return[parseInt(c[1],16),parseInt(c[2],16),parseInt(c[3],16),parseInt(c[4],16)/255];else if(c=/^rgb\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\)$/.exec(a))return[parseInt(c[1],10),parseInt(c[2],10),parseInt(c[3],10),1];else if(c=/^rgba\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*([0-9.]+)\)$/.exec(a))return[parseInt(c[1],10),parseInt(c[2],10),parseInt(c[3],10),parseFloat(c[4])];else throw"Unknow color format '"+a+
+"'";},color2rgba:function(a){return"rgba("+a[0]+","+a[1]+","+a[2]+","+a[3]+")"},cmdline:function(a){for(var c=0,a=a.replace(/\n/g," "),a=a.match(/[^" ]+|"[^"]+"/g),d=a.length;c<d;){var b=a[c];b.charAt(0)==='"'&&b.charAt(b.length-1)==='"'&&(b=b.substr(1,b.length-2));if(/^LINE[0-9.]+:/.test(b))this.parse_line(b);else if(/^AREA:/.test(b))this.parse_area(b);else if(/^DEF:/.test(b))this.parse_def(b);else if(/^CDEF:/.test(b))this.parse_cdef(b);else if(/^VDEF:/.test(b))this.parse_vdef(b);else if(/^GPRINT:/.test(b))this.parse_gprint(b);
+else if(/^COMMENT:/.test(b))this.parse_comment(b);else if(/^VRULE:/.test(b))this.parse_vrule(b);else if(/^HRULE:/.test(b))this.parse_hrule(b);else if(/^TICK:/.test(b))this.parse_tick(b);else if(/^TEXTALIGN:/.test(b))this.parse_textaling(b);else if(/^SHIFT:/.test(b))this.parse_shift(b);else if(b.charAt(0)==="-"){var f=1;b.length>1&&b.charAt(1)==="-"&&(f=2);b=b.substr(f);f=void 0;if(b.indexOf("=")!==-1)var g=b.indexOf("="),f=b.substr(g+1),b=b.substr(0,g);else c+1<d&&a[c+1].charAt(0)!=="-"&&!/^"?LINE[0-9.]+:/.test(a[c+
+1])&&!/^"?AREA:/.test(a[c+1])&&!/^"?DEF:/.test(a[c+1])&&!/^"?CDEF:/.test(a[c+1])&&!/^"?VDEF:/.test(a[c+1])&&!/^"?GPRINT:/.test(a[c+1])&&!/^"?COMMENT:/.test(a[c+1])&&!/^"?HRULE:/.test(a[c+1])&&!/^"?VRULE:/.test(a[c+1])&&!/^"?TICK:/.test(a[c+1])&&!/^"?TEXTALING:/.test(a[c+1])&&!/^"?SHIFT:/.test(a[c+1])&&(c++,f=a[c].charAt(0)==='"'&&a[c].charAt(a[c].length-1)==='"'?a[c].substr(1,a[c].length-2):a[c]);this.set_option(b,f)}else throw"Unknow argument: "+b;c++}c=RRDTime.proc_start_end(this.start_t,this.end_t);
+this.start=c[0];this.end=c[1]},sprintf:function(){var a=0,c=arguments;return c[a++].replace(/%(\d+)?(\.(\d+))?(l?)([%scdfeg])/g,function(d,b,f,g,h,j){if(d==="%%")return"%";f=c[a++];b=b===void 0?0:+b;g=g===void 0?j=="d"?0:6:+g;switch(j){case "s":case "c":return f;case "d":return parseInt(f,10);case "e":return RRDGraph.lpad((f<0?"-":"")+Math.abs(f).toExponential(g)," ",b);case "f":return RRDGraph.lpad((f<0?"-":"")+Math.abs(f).toFixed(g)," ",b);case "g":return RRDGraph.lpad((f<0?"-":"")+Math.abs(f).toPrecision(g),
+" ",b);default:return d}})},strftime:function(a,c){var d=new Date(c*1E3);return fmt.replace(/%([aAbBcdHIjmMpsSUVwWxXyYZ%])/g,function(a,c){if(a==="%%")return"%";switch(c){case "a":return RRDGraph.days[d.getDay()];case "A":return RRDGraph.fdays[d.getDay()];case "b":return RRDGraph.months[d.getMonth()];case "B":return RRDGraph.fmonths[d.getMonth()];case "c":return d.toLocaleString();case "d":return RRDGraph.pad2(d.getDate());case "H":return RRDGraph.pad2(d.getHours());case "I":var g=d.getHours()%12;
+return RRDGraph.pad2(g===0?12:g);case "j":return g=new Date(date.getFullYear(),0,1),RRDGraph.pad3(Math.ceil((g.getTime()-d.getTime())/864E5));case "m":return RRDGraph.pad2(d.getMonth());case "M":return RRDGraph.pad2(d.getMinutes());case "p":return d.getHours()>=12?"PM":"AM";case "s":return RRDGraph.pad2(d.getSeconds());case "S":return d.getTime()/1E3;case "U":return g=new Date(this.getFullYear(),0,1),RRDGraph.pad2(Math.ceil(((d.getTime()-g.getTime())/864E5+g.getDay()+1)/7));case "V":this.getFullYear();
+break;case "w":return d.getDay();case "W":break;case "x":return RRDGraph.pad2(d.getDate())+"/"+RRDGraph.pad2(d.getMonth())+"/"+d.getFullYear();case "X":return RRDGraph.pad2(d.getHours())+":"+RRDGraph.pad2(d.getMinutes())+":"+RRDGraph.pad2(d.getSeconds());case "y":return RRDGraph.pad2(d.getFullYear()%100);case "Y":return d.getFullYear();case "Z":return d.toString().replace(/^.*\(([^)]+)\)$/,"$1");default:return a}})},gfx_line:function(a,c,d,b,f,g){a=Math.round(a);c=Math.round(c);d=Math.round(d);b=
+Math.round(b);c===b?(c+=0.5,b+=0.5):a===d&&(a+=0.5,d+=0.5);this.ctx.save();this.ctx.lineWidth=f;this.ctx.strokeStyle=g;this.ctx.beginPath();this.ctx.moveTo(a,c);this.ctx.lineTo(d,b);this.ctx.stroke();this.ctx.restore()},gfx_dashed_line:function(a,c,d,b,f,g,h,j){a=Math.round(a);c=Math.round(c);d=Math.round(d);b=Math.round(b);this.ctx.save();this.ctx.lineWidth=f;this.ctx.strokeStyle=g;this.ctx.beginPath();if(c===b){c+=0.5;a>d&&(f=a,a=d,d=f);this.ctx.moveTo(a,c);for(f=0;a<=d;)f%2===1?(a+=h,this.ctx.lineTo(a,
+c)):(a+=j,this.ctx.moveTo(a,c)),f++}else if(a===d){a+=0.5;c>b&&(f=c,c=b,b=f);this.ctx.moveTo(a,c);for(f=0;c<=b;)f%2===1?(c+=h,this.ctx.lineTo(a,c)):(c+=j,this.ctx.moveTo(a,c)),f++}else this.ctx.moveTo(a,c),this.ctx.lineTo(d,b);this.ctx.stroke();this.ctx.restore()},gfx_new_area:function(a,c,d,b,f,g,h){a=Math.round(a)+0.5;c=Math.round(c)+0.5;d=Math.round(d)+0.5;b=Math.round(b)+0.5;f=Math.round(f)+0.5;g=Math.round(g)+0.5;this.ctx.fillStyle=h;this.ctx.beginPath();this.ctx.moveTo(a,c);this.ctx.lineTo(d,
+b);this.ctx.lineTo(f,g)},gfx_add_point:function(a,c){this.ctx.lineTo(a,c)},gfx_close_path:function(){this.ctx.closePath();this.ctx.fill()},gfx_text:function(a,c,d,b,f,g,h,j,m){a=Math.round(a);c=Math.round(c);this.ctx.save();this.ctx.font=b.size+"px '"+b.font+"'";switch(h){case this.GFX_H.LEFT:this.ctx.textAlign="left";break;case this.GFX_H.RIGHT:this.ctx.textAlign="right";break;case this.GFX_H.CENTER:this.ctx.textAlign="center"}switch(j){case this.GFX_V.TOP:this.ctx.textBaseline="top";break;case this.GFX_V.BOTTOM:this.ctx.textBaseline=
+"bottom";break;case this.GFX_V.CENTER:this.ctx.textBaseline="middle"}this.ctx.fillStyle=d;this.ctx.translate(a,c);this.ctx.rotate(-g*Math.PI/180);this.ctx.fillText(m,0,0);this.ctx.restore()},gfx_get_text_width:function(a,c,d,b){this.ctx.save();this.ctx.font=c.size+"px "+c.font;a=this.ctx.measureText(b);this.ctx.restore();return a.width},xtr:function(a){return a===0?(this.xtr_pixie=this.xsize/(this.end-this.start),this.xorigin):this.xorigin+this.xtr_pixie*(a-this.start)},ytr:function(a){isNaN(a)?(this.ytr_pixie=
+this.logarithmic?this.ysize/(Math.log(this.maxval)/Math.LN10-Math.log(this.minval)/Math.LN10):this.ysize/(this.maxval-this.minval),a=this.yorigin):a=this.logarithmic?a<this.minval?this.yorigin:this.yorigin-this.ytr_pixie*(Math.log(a)/Math.LN10-Math.log(this.minval)/Math.LN10):this.yorigin-this.ytr_pixie*(a-this.minval);return a},floatToIntBits:function(a){var c=Math.pow(2,23)-1;if(a!=a)return 2143289344;var d=a<0||a==0&&1/a<0?-2147483648:0,b=Math.abs(a);if(b==Number.POSITIVE_INFINITY)return d|2139095040;
+for(var f=0,a=b;a>=2&&f<=127;)f++,a/=2;for(;a<1&&f>=-126;)f--,a*=2;if(a*Math.pow(2,f)!=b)throw"floatToIntBits: error fabs.";b=f+127;if(!(0<=b&&b<=254))throw"floatToIntBits: error biasedExp "+b;if(b==255)return signBit|2139095040;if(b==0){if(!(0<=a&&a<2))throw"floatToIntBits: x in [0.0, 1.0) "+a;a=a*Math.pow(2,23)/2}else{if(!(1<=a&&a<2))throw"floatToIntBits: x in [0.5; 1.0) "+a;a=a*Math.pow(2,23)-Math.pow(2,23)}f=a&8388607;if(!(0<=f&&f<=c))throw"floatToIntBits: mantissa in [0.0, 2^23) "+a+" MANT_MAX "+
+c+" "+(a&8388607);return d|b<<23&2139095040|f},AlmostEqual2sComplement:function(a,c,d){this.AlmostEqualFloat[0]=a;this.AlmostEqualFloat[1]=c;a=this.AlmostEqualInt[0];a<0&&(a=2147483648-a);c=this.AlmostEqualInt[1];c<0&&(c=2147483648-c);return Math.abs(a-c)<=d?!0:!1},tmt2str:function(a){switch(a){case RRDGraph.TMT.SECOND:return"sec";case RRDGraph.TMT.MINUTE:return"min";case RRDGraph.TMT.HOUR:return"hour";case RRDGraph.TMT.DAY:return"day";case RRDGraph.TMT.WEEK:return"week";case RRDGraph.TMT.MONTH:return"mon";
+case RRDGraph.TMT.YEAR:return"year"}return a},find_first_time:function(a,c,d){a=new Date(a*1E3);switch(c){case RRDGraph.TMT.SECOND:c=a.getSeconds();c-=c%d;a.setSeconds(c);break;case RRDGraph.TMT.MINUTE:a.setSeconds(0);c=a.getMinutes();c-=c%d;a.setMinutes(c);break;case RRDGraph.TMT.HOUR:a.setSeconds(0);a.setMinutes(0);c=a.getHours();c-=c%d;a.setHours(c);break;case RRDGraph.TMT.DAY:a.setSeconds(0);a.setMinutes(0);a.setHours(0);break;case RRDGraph.TMT.WEEK:a.setSeconds(0);a.setMinutes(0);a.setHours(0);
+d=a.getDate();c=a.getDay();d-=c-1;c===0&&(d-=7);a.setDate(d);break;case RRDGraph.TMT.MONTH:a.setSeconds(0);a.setMinutes(0);a.setHours(0);a.setDate(1);c=a.getMonth();c-=c%d;a.setMonth(c);break;case RRDGraph.TMT.YEAR:a.setSeconds(0),a.setMinutes(0),a.setHours(0),a.setDate(1),a.setMonth(0),c=a.getFullYear()-1900,c-=(c+1900)%d,a.setFullYear(c+1900)}return Math.round(a.getTime()/1E3)},find_next_time:function(a,c,d){var a=new Date(a*1E3),b=2,f;switch(c){case RRDGraph.TMT.SECOND:b=7200;break;case RRDGraph.TMT.MINUTE:b=
+120;break;case RRDGraph.TMT.HOUR:b=2;break;default:b=2;break}do{switch(c){case RRDGraph.TMT.SECOND:a.setSeconds(a.getSeconds()+d);break;case RRDGraph.TMT.MINUTE:a.setMinutes(a.getMinutes()+d);break;case RRDGraph.TMT.HOUR:a.setHours(a.getHours()+d);break;case RRDGraph.TMT.DAY:a.setDate(a.getDate()+d);break;case RRDGraph.TMT.WEEK:a.setDate(a.getDate()+7*d);break;case RRDGraph.TMT.MONTH:a.setMonth(a.getMonth()+d);break;case RRDGraph.TMT.YEAR:a.setFullYear(a.getFullYear()+d)}f=Math.round(a.getTime()/
+1E3)}while(f===-1&&b-- >=0);return f},print_calc:function(){var a,c,d;c=0;var b,f=-1,g="",h;Math.round((new Date).getTime()/1E3);for(var j=0,m=this.gdes.length;j<m;j++){var n=this.gdes[j].vidx;switch(this.gdes[j].gf){case RRDGraphDesc.GF.PRINT:case RRDGraphDesc.GF.GPRINT:if(this.gdes[n].gf===RRDGraphDesc.GF.VDEF)c=this.gdes[n].vf.val,d=this.gdes[n].vf.when;else{b=(this.gdes[n].end-this.gdes[n].start)/this.gdes[n].step*this.gdes[n].ds_cnt;c=Number.NaN;a=0;for(var q=this.gdes[n].ds;q<b;q+=this.gdes[n].ds_cnt)if(isFinite(this.gdes[n].data[q]))if(isNaN(c))c=
+this.gdes[n].data[q],a++;else switch(this.gdes[j].cf){case RRDGraphDesc.CF.HWPREDICT:case RRDGraphDesc.CF.MHWPREDICT:case RRDGraphDesc.CF.DEVPREDICT:case RRDGraphDesc.CF.DEVSEASONAL:case RRDGraphDesc.CF.SEASONAL:case RRDGraphDesc.CF.AVERAGE:a++;c+=this.gdes[n].data[q];break;case RRDGraphDesc.CF.MINIMUM:c=Math.min(c,this.gdes[n].data[q]);break;case RRDGraphDesc.CF.FAILURES:case RRDGraphDesc.CF.MAXIMUM:c=Math.max(c,this.gdes[n].data[q]);break;case RRDGraphDesc.CF.LAST:c=this.gdes[n].data[q]}if(this.gdes[j].cf===
+RRDGraphDesc.CF.AVERAGE||this.gdes[j].cf>RRDGraphDesc.CF.LAST)a>1&&(c/=a)}!this.gdes[j].strftm&&(h=this.gdes[j].format.indexOf("%S"))!=-1?(f<0?(f=this.auto_scale(c,g,f),c=f[0],g=f[1],f=f[2],c===0&&(f=-1)):c/=f,this.gdes[j].format=this.gdes[j].format.substr(0,h+1)+"s"+this.gdes[j].format.substr(h+2)):!this.gdes[j].strftm&&this.gdes[j].format.indexOf("%s")!=-1&&(f=this.auto_scale(c,g,f),c=f[0],g=f[1],f=f[2]);this.gdes[j].legend=this.gdes[j].strftm?this.strftime(this.gdes[j].format,d):this.sprintf(this.gdes[j].format,
+c,g);c=1;break;case RRDGraphDesc.GF.LINE:case RRDGraphDesc.GF.AREA:case RRDGraphDesc.GF.TICK:c=1;break;case RRDGraphDesc.GF.HRULE:if(isNaN(this.gdes[j].yrule))this.gdes[j].yrule=this.gdes[n].vf.val;c=1;break;case RRDGraphDesc.GF.VRULE:if(this.gdes[j].xrule===0)this.gdes[j].xrule=this.gdes[n].vf.when;c=1;break;case RRDGraphDesc.GF.STACK:throw"STACK should already be turned into LINE or AREA here";}}return c},reduce_data:function(a,c){var d=Math.ceil(a.step/c),b,f,g,h;f=0;var j,m;a.step=c*d;j=m=0;g=
+(a.end-a.start)/c;h=a.end%a.step;if(b=a.start%a.step){a.start-=b;f=d-b/c;j+=f*a.ds_cnt;for(b=0;b<a.ds_cnt;b++)a.data[m++]=Number.NaN;g-=f}if(h)a.end=a.end-h+a.step,g-=h/c;if(g%d)throw"BUG in reduce_data(), SANITY CHECK: "+g+" rows cannot be reduced by "+d;for(f=0;g>=d;f++){for(b=0;b<a.ds_cnt;b++){var n=Number.NaN,q=0;for(i=0;i<d;i++)if(!isNaN(a.data[j+i*a.ds_cnt+b]))if(q++,isNaN(n))n=a.data[j+i*a.ds_cnt+b];else switch(a.cf_reduce){case RRDGraphDesc.CF.HWPREDICT:case RRDGraphDesc.CF.MHWPREDICT:case RRDGraphDesc.CF.DEVSEASONAL:case RRDGraphDesc.CF.DEVPREDICT:case RRDGraphDesc.CF.SEASONAL:case RRDGraphDesc.CF.AVERAGE:n+=
+a.data[j+i*a.ds_cnt+b];break;case RRDGraphDesc.CF.MINIMUM:n=Math.min(n,a.data[j+i*a.ds_cnt+b]);break;case RRDGraphDesc.CF.FAILURES:case RRDGraphDesc.CF.MAXIMUM:n=Math.max(n,a.data[j+i*a.ds_cnt+b]);break;case RRDGraphDesc.CF.LAST:n=a.data[j+i*a.ds_cnt+b]}if(q===0)n=Number.NaN;else switch(a.cf_reduce){case RRDGraphDesc.CF.HWPREDICT:case RRDGraphDesc.CF.MHWPREDICT:case RRDGraphDesc.CF.DEVSEASONAL:case RRDGraphDesc.CF.DEVPREDICT:case RRDGraphDesc.CF.SEASONAL:case RRDGraphDesc.CF.AVERAGE:n/=q}a.data[m++]=
+n}j+=a.ds_cnt*d;g-=d}if(h)for(b=0;b<a.ds_cnt;b++)a.data[m++]=Number.NaN},data_fetch:function(){for(var a,c=0,d=this.gdes.length;c<d;c++)if(this.gdes[c].gf==RRDGraphDesc.GF.DEF){a=!1;for(var b=0;b<c;b++)if(this.gdes[b].gf==RRDGraphDesc.GF.DEF){if(this.gdes[c].rrd===this.gdes[b].rrd&&this.gdes[c].cf===this.gdes[b].cf&&this.gdes[c].cf_reduce===this.gdes[b].cf_reduce&&this.gdes[c].start_orig===this.gdes[b].start_orig&&this.gdes[c].end_orig===this.gdes[b].end_orig&&this.gdes[c].step_orig===this.gdes[b].step_orig)this.gdes[c].start=
+this.gdes[b].start,this.gdes[c].end=this.gdes[b].end,this.gdes[c].step=this.gdes[b].step,this.gdes[c].ds_cnt=this.gdes[b].ds_cnt,this.gdes[c].ds_namv=this.gdes[b].ds_namv,this.gdes[c].data=this.gdes[b].data,this.gdes[c].data_first=0,a=!0;if(a)break}if(!a){a=this.gdes[c].step;a=this.rrd_fetch(this.gdes[c],a);if(a<0)return-1;this.gdes[c].data_first=1;a<this.gdes[c].step?this.reduce_data(this.gdes[c],a):this.gdes[c].step=a}for(b=0;b<this.gdes[c].ds_cnt;b++)if(this.gdes[c].ds_namv[b]===this.gdes[c].ds_nam){this.gdes[c].ds=
+b;break}if(this.gdes[c].ds===-1)throw"No DS called '"+this.gdes[c].ds_nam+"' in '"+this.gdes[c].rrd+"'";}return 0},lcd:function(a){for(var c,d=0;a[d+1]!=0;d++){do c=a[d]%a[d+1],a[d]=a[d+1],a[d+1]=c;while(c!=0);a[d+1]=a[d]}return a[d]},data_calc:function(){for(var a,c,d=0,b=this.gdes.length;d<b;d++)switch(this.gdes[d].gf){case RRDGraphDesc.GF.SHIFT:a=this.gdes[this.gdes[d].vidx];a.start-=a.shift;a.end-=a.shift;a.shift=this.gdes[d].shidx>=0?this.gdes[this.gdes[d].shidx].vf.val:this.gdes[d].shval;a.shift=
+a.shift/a.step*a.step;a.start+=a.shift;a.end+=a.shift;break;case RRDGraphDesc.GF.VDEF:this.gdes[d].ds_cnt=0;if(this.vdef_calc(d))throw"Error processing VDEF '"+this.gdes[d].vname+"%s'";break;case RRDGraphDesc.GF.CDEF:this.gdes[d].ds_cnt=1;this.gdes[d].ds=0;this.gdes[d].data_first=1;this.gdes[d].start=0;this.gdes[d].end=0;c=[];var f=0;a=-1;for(var g=this.gdes[d].rpnp.rpnp,h=0;g[h].op!=RRDRpn.OP.END;h++)if(g[h].op===RRDRpn.OP.VARIABLE||g[h].op===RRDRpn.OP.PREV_OTHER){var j=g[h].ptr;if(this.gdes[j].ds_cnt===
+0)g[h].val=this.gdes[j].vf.val,g[h].op=RRDRpn.OP.NUMBER;else{++f;c[f-1]=this.gdes[j].step;if(this.gdes[d].start<this.gdes[j].start)this.gdes[d].start=this.gdes[j].start;if(this.gdes[d].end===0||this.gdes[d].end>this.gdes[j].end)this.gdes[d].end=this.gdes[j].end;g[h].data=this.gdes[j].data;g[h].pdata=this.gdes[j].ds;g[h].step=this.gdes[j].step;g[h].ds_cnt=this.gdes[j].ds_cnt}}for(h=0;g[h].op!=RRDRpn.OP.END;h++)if(g[h].op===RRDRpn.OP.VARIABLE||g[h].op===RRDRpn.OP.PREV_OTHER){var j=g[h].ptr,m=this.gdes[d].start-
+this.gdes[j].start;m>0&&(g[h].pdata+=m/this.gdes[j].step*this.gdes[j].ds_cnt)}if(c===null)throw"rpn expressions without DEF or CDEF variables are not supported";c[f]=0;this.gdes[d].step=this.lcd(c);this.gdes[d].data=[];for(c=this.gdes[d].start+this.gdes[d].step;c<=this.gdes[d].end;c+=this.gdes[d].step)if(this.gdes[d].rpnp.calc(c,this.gdes[d].data,++a)===-1)return-1}return 0},data_proc:function(){for(var a=(this.end-this.start)/this.xsize,c,d=Number.NaN,b=Number.NaN,f,g=0,h=this.gdes.length;g<h;g++)if(this.gdes[g].gf===
+RRDGraphDesc.GF.LINE||this.gdes[g].gf===RRDGraphDesc.GF.AREA||this.gdes[g].gf===RRDGraphDesc.GF.TICK)this.gdes[g].p_data=[];for(g=0;g<this.xsize;g++){var j;f=this.start+a*g;for(var m=c=0,h=this.gdes.length;m<h;m++)switch(this.gdes[m].gf){case RRDGraphDesc.GF.LINE:case RRDGraphDesc.GF.AREA:case RRDGraphDesc.GF.TICK:this.gdes[m].stack||(c=0);j=this.gdes[m].yrule;if(isNaN(j)||this.gdes[m].gf===RRDGraphDesc.GF.TICK)j=this.gdes[m].vidx,j=this.gdes[j].gf===RRDGraphDesc.GF.VDEF?this.gdes[j].vf.val:f>=this.gdes[j].start&&
+f<this.gdes[j].end?this.gdes[j].data[Math.floor((f-this.gdes[j].start)/this.gdes[j].step)*this.gdes[j].ds_cnt+this.gdes[j].ds]:Number.NaN;if(isNaN(j))this.gdes[m].p_data[g]=Number.NaN;else if(c+=j,this.gdes[m].p_data[g]=c,isFinite(c)&&this.gdes[m].gf!=RRDGraphDesc.GF.TICK){if((isNaN(d)||c<d)&&!(this.logarithmic&&c<=0))d=c;if(isNaN(b)||c>b)b=c}break;case RRDGraphDesc.GF.STACK:throw"STACK should already be turned into LINE or AREA here";}}if(this.logarithmic){if(isNaN(d)||isNaN(b)||b<=0)d=0,b=5.1;d<=
+0&&(d=b/1E9)}else if(isNaN(d)||isNaN(b))d=0,b=1;if(isNaN(this.minval)||!this.rigid&&this.minval>d)this.minval=this.logarithmic?d/2:d;if(isNaN(this.maxval)||!this.rigid&&this.maxval<b)this.maxval=this.logarithmic?b*2:b;if(this.minval>this.maxval)this.minval=this.minval>0?0.99*this.maxval:1.01*this.maxval;if(this.AlmostEqual2sComplement(this.minval,this.maxval,4)&&(this.maxval*=this.maxval>0?1.01:0.99,this.AlmostEqual2sComplement(this.maxval,0,4)))this.maxval=1;return 0},leg_place:function(a){var c=
+this.TEXT.LEGEND.size*1.5,d=this.TEXT.LEGEND.size*1.5,b=0,f,g,h=0;f=d;var j=0,m;m=0;var n;n=0;var q=RRDGraphDesc.TXA.JUSTIFIED,p,l;g=a?0:this.legendwidth-2*d;if(!this.no_legend&&!this.only_graph){p=[];for(var o=0,E=this.gdes.length;o<E;o++){var w;if(a)l=this.gdes[o].legend;f=b;if(this.gdes[o].gf===RRDGraphDesc.GF.TEXTALIGN)q=this.gdes[o].txtalign;if(!this.force_rules_legend){if(this.gdes[o].gf===RRDGraphDesc.GF.HRULE&&(this.gdes[o].yrule<this.minval||this.gdes[o].yrule>this.maxval))this.gdes[o].legend=
+null;if(this.gdes[o].gf===RRDGraphDesc.GF.VRULE&&(this.gdes[o].xrule<this.start||this.gdes[o].xrule>this.end))this.gdes[o].legend=null}this.gdes[o].legend=this.gdes[o].legend.replace(/\\t/gi,"\t");m=this.gdes[o].legend.length;m>=2&&this.gdes[o].legend.charAt(m-2)==="\\"?(w=this.gdes[o].legend.charAt(m-1),m-=2,this.gdes[o].legend=this.gdes[o].legend.substr(0,m)):w=null;if(w!="l"&&w!="n"&&w!="r"&&w!="j"&&w!="c"&&w!="u"&&w!="s"&&w!=null&&w!="g")throw"Unknown control code at the end of "+this.gdes[o].legend+
+": "+w;for(w==="n"&&(w="l");w==="g"&&m>0&&this.gdes[o].legend.charAt(m-1)===" ";)m--,this.gdes[o].legend=this.gdes[o].legend.substr(0,m);m!=0?(p[o]=w==="g"?0:c,b>0&&(b+=p[o]),b+=this.gfx_get_text_width(b+d,this.TEXT.LEGEND,this.tabwidth,this.gdes[o].legend),h++):p[o]=0;w==="g"&&(w=null);if(w===null){a&&b>g&&(g=b);if(o===E-1||b>g)switch(q){case RRDGraphDesc.TXA.RIGHT:w="r";break;case RRDGraphDesc.TXA.CENTER:w="c";break;case RRDGraphDesc.TXA.JUSTIFIED:w="j";break;default:w="l"}b>g&&h>1&&(o--,b=f,h--);
+h===1&&w==="j"&&(w="l")}if(w!=null){f=d;m=h>=2&&w==="j"?(g-b)/(h-1):0;w==="c"&&(f=(g-b)/2);for(w==="r"&&(f=g-b+d);n<=o;n++)if(this.gdes[n].legend!=="")this.gdes[n].leg_x=f,this.gdes[n].leg_y=j+d,f+=this.gfx_get_text_width(f,this.TEXT.LEGEND,this.tabwidth,this.gdes[n].legend)+p[n]+m;if(f>d||w==="s")j+=this.TEXT.LEGEND.size*1.4;w==="s"&&(j-=this.TEXT.LEGEND.size);w==="u"&&(j-=this.TEXT.LEGEND.size*1.4);a&&b>g&&(g=b);h=b=0}if(a)this.gdes[o].legend=l}a?this.legendwidth=g+2*d:this.legendheight=j+d*0.6}return 0},
+axis_paint:function(){this.gfx_line(this.xorigin-4,this.yorigin,this.xorigin+this.xsize+4,this.yorigin,this.MGRIDWIDTH,this.GRC.AXIS);this.gfx_line(this.xorigin,this.yorigin+4,this.xorigin,this.yorigin-this.ysize-4,this.MGRIDWIDTH,this.GRC.AXIS);this.gfx_new_area(this.xorigin+this.xsize+2,this.yorigin-3,this.xorigin+this.xsize+2,this.yorigin+3,this.xorigin+this.xsize+7,this.yorigin,this.GRC.ARROW);this.gfx_close_path();this.gfx_new_area(this.xorigin-3,this.yorigin-this.ysize-2,this.xorigin+3,this.yorigin-
+this.ysize-2,this.xorigin,this.yorigin-this.ysize-7,this.GRC.ARROW);this.gfx_close_path();this.second_axis_scale!=0&&(this.gfx_line(this.xorigin+this.xsize,this.yorigin+4,this.xorigin+this.xsize,this.yorigin-this.ysize-4,MGRIDWIDTH,this.GRC.AXIS),this.gfx_new_area(this.xorigin+this.xsize-2,this.yorigin-this.ysize-2,this.xorigin+this.xsize+3,this.yorigin-this.ysize-2,this.xorigin+this.xsize,this.yorigin-this.ysize-7,this.GRC.ARROW),this.gfx_close_path())},frexp10:function(a){var c,d;d=Math.floor(Math.log(Math.abs(a))/
+Math.LN10);c=a/Math.pow(10,d);c>=10&&(d++,c=a/Math.pow(10,d));return[c,d]},horizontal_log_grid:function(){var a=[[1,10,0,0,0,0,0,0,0,0],[1,5,10,0,0,0,0,0,0,0],[1,2,5,7,10,0,0,0,0,0],[1,2,4,6,8,10,0,0,0,0],[1,2,3,4,5,6,7,8,9,10],[0,0,0,0,0,0,0,0,0,0]],c,d,b,f,g,h=1,j=-1,m,n,q,p,l;for(g=this.ysize/(Math.log(this.maxval/this.minval)/Math.LN10);g*h<2.3*this.TEXT.LEGEND.size;)h===1?h=2.3:h+=2.3;do{j++;for(c=0;a[j][c+1]<10;c++);b=g*Math.log(10/a[j][c])/Math.LN10}while(b>1.56*this.TEXT.LEGEND.size&&a[j][0]>
+0);j&&j--;g=-1;do g++,m=this.frexp10(this.minval),b=m[0],n=m[1];while(a[j][g]<10&&b>a[j][g]);a[j][g]===10&&(n+=1,g=0);b=n;b%h&&(b+=Math.abs(-b%h));q=this.xorigin;p=this.xorigin+this.xsize;for(n=Number.NaN;;){m=a[j][g]*Math.pow(10,b);if(this.AlmostEqual2sComplement(m,n,4))break;n=m;l=this.ytr(m);if(Math.floor(l+0.5)<=this.yorigin-this.ysize)break;this.gfx_line(q-2,l,q,l,this.MGRIDWIDTH,this.GRC.MGRID);this.gfx_line(p,l,p+2,l,this.MGRIDWIDTH,this.GRC.MGRID);this.gfx_dashed_line(q-2,l,p+2,l,this.MGRIDWIDTH,
+this.GRC.MGRID,this.grid_dash_on,this.grid_dash_off);this.force_units_si?(c=Math.floor(b/3),d=m>=1?Math.pow(10,b%3):Math.pow(10,(b+1)%3+2),d*=a[j][g],c=this.sprintf("%3.0f %s",d,c+this.si_symbcenter<this.si_symbol.length&&c+this.si_symbcenter>=0?this.si_symbol[c+this.si_symbcenter]:"?")):c=this.sprintf("%3.0e",m);this.second_axis_scale!=0&&(d=m*this.second_axis_scale+this.second_axis_shift,this.second_axis_format[0]?m=this.sprintf(this.second_axis_format,d,""):this.force_units_si?(m="",m=this.auto_scale(d,
+m,1),d=m[0],m=m[1],m=this.sprintf("%4.0f %s",d,m)):m=this.sprintf("%3.0e",d),this.gfx_text(p+7,l,this.GRC.FONT,this.TEXT.AXIS,this.tabwidth,0,this.GFX_H.LEFT,this.GFX_V.CENTER,m));this.gfx_text(q-this.TEXT.AXIS.size,l,this.GRC.FONT,this.TEXT.AXIS,this.tabwidth,0,this.GFX_H.RIGHT,this.GFX_V.CENTER,c);if(j<4&&h===1){if(g===0){f=b-1;for(c=1;a[j][c]<10;c++);c=a[j][c-1]+1;d=10}else f=b,c=a[j][g-1]+1,d=a[j][g];for(;c<d;c++)if(m=c*Math.pow(10,f),!(m<this.minval)){l=this.ytr(m);if(Math.floor(l+0.5)<=this.yorigin-
+this.ysize)break;this.gfx_line(q-2,l,q,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_line(p,l,p+2,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_dashed_line(q-1,l,p+1,l,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,this.grid_dash_off)}}else if(h>1)for(c=b-h/3*2;c<b;c+=h/3)if(m=Math.pow(10,c),!(m<this.minval)){l=this.ytr(m);if(Math.floor(l+0.5)<=this.yorigin-this.ysize)break;this.gfx_line(q-2,l,q,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_line(p,l,p+2,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_dashed_line(q-1,l,
+p+1,l,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,this.grid_dash_off)}a[j][++g]===10&&(g=0,b+=h)}if(j<4&&h===1){if(g===0){f=b-1;for(c=1;a[j][c]<10;c++);c=a[j][c-1]+1;d=10}else f=b,c=a[j][g-1]+1,d=a[j][g];for(;c<d;c++)if(m=c*Math.pow(10,f),!(m<this.minval)){l=this.ytr(m);if(Math.floor(l+0.5)<=this.yorigin-this.ysize)break;this.gfx_line(q-2,l,q,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_line(p,l,p+2,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_dashed_line(q-1,l,p+1,l,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,
+this.grid_dash_off)}}else if(h>1)for(c=b-h/3*2;c<b;c+=h/3)if(m=Math.pow(10,c),!(m<this.minval)){l=this.ytr(m);if(Math.floor(l+0.5)<=this.yorigin-this.ysize)break;this.gfx_line(q-2,l,q,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_line(p,l,p+2,l,this.GRIDWIDTH,this.GRC.GRID);this.gfx_dashed_line(q-1,l,p+1,l,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,this.grid_dash_off)}return 1},vertical_grid:function(){var a,c,d,b,f;if(this.xlab_user.minsec===-1){d=(this.end-this.start)/this.xsize;for(a=0;this.xlab[a+
+1].minsec!=-1&&this.xlab[a+1].minsec<=d;)a++;for(a===0&&(a=1);this.xlab[a-1].minsec===this.xlab[a].minsec&&this.xlab[a].length>this.end-this.start;)a--;this.xlab_user=this.xlab[a]}d=this.yorigin;f=this.yorigin-this.ysize;if(!this.no_minor)for(a=this.find_first_time(this.start,this.xlab_user.gridtm,this.xlab_user.gridst),c=this.find_first_time(this.start,this.xlab_user.mgridtm,this.xlab_user.mgridst);a<this.end&&a!=-1;a=this.find_next_time(a,this.xlab_user.gridtm,this.xlab_user.gridst))if(!(a<this.start||
+a>this.end)){for(;c<a&&c!=-1;)c=this.find_next_time(c,this.xlab_user.mgridtm,this.xlab_user.mgridst);if(c===-1)break;a!==c&&(b=this.xtr(a),this.gfx_line(b,f-2,b,f,this.GRIDWIDTH,this.GRC.GRID),this.gfx_line(b,d,b,d+2,this.GRIDWIDTH,this.GRC.GRID),this.gfx_dashed_line(b,d+1,b,f-1,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,this.grid_dash_off))}for(a=this.find_first_time(this.start,this.xlab_user.mgridtm,this.xlab_user.mgridst);a<this.end&&a!=-1;a=this.find_next_time(a,this.xlab_user.mgridtm,this.xlab_user.mgridst))a<
+this.start||a>this.end||(b=this.xtr(a),this.gfx_line(b,f-2,b,f,this.MGRIDWIDTH,this.GRC.MGRID),this.gfx_line(b,d,b,d+3,this.MGRIDWIDTH,this.GRC.MGRID),this.gfx_dashed_line(b,d+3,b,f-2,this.MGRIDWIDTH,this.GRC.MGRID,this.grid_dash_on,this.grid_dash_off));for(a=this.find_first_time(this.start-this.xlab_user.precis/2,this.xlab_user.labtm,this.xlab_user.labst);a<=this.end-this.xlab_user.precis/2&&a!=-1;a=this.find_next_time(a,this.xlab_user.labtm,this.xlab_user.labst))c=a+this.xlab_user.precis/2,c<this.start||
+c>this.end||(b=this.xlab_user.stst(new Date(c*1E3)),this.gfx_text(this.xtr(c),d+3,this.GRC.FONT,this.TEXT.AXIS,this.tabwidth,0,this.GFX_H.CENTER,this.GFX_V.TOP,b))},auto_scale:function(a,c,d){var c="a,f,p,n,u,m, ,k,M,G,T,P,E".split(","),b;a===0||isNaN(a)?(b=0,d=1):(b=Math.floor(Math.log(Math.abs(a))/Math.LN10/(Math.log(this.base)/Math.LN10)),d=Math.pow(this.base,b),a/=d);c=b<=6&&b>=-6?c[b+6]:"?";return[a,c,d]},si_unit:function(){var a,c=0;a=Math.floor(Math.log(Math.max(Math.abs(this.minval),Math.abs(this.maxval)))/
+Math.log(this.base));c=this.unitsexponent!=9999?Math.floor(this.unitsexponent/3):a;this.magfact=Math.pow(this.base,a);this.viewfactor=this.magfact/Math.pow(this.base,c);this.symbol=c+this.si_symbcenter<this.si_symbol.length&&c+this.si_symbcenter>=0?this.si_symbol[c+this.si_symbcenter]:"?"},expand_range:function(){var a=[1E3,900,800,750,700,600,500,400,300,250,200,125,100,90,80,75,70,60,50,40,30,25,20,10,9,8,7,6,5,4,3.5,3,2.5,2,1.8,1.5,1.2,1,0.8,0.7,0.6,0.5,0.4,0.3,0.2,0.1,0,-1],c,d,b;if(isNaN(this.ygridstep))if(this.alt_autoscale)c=
+this.maxval-this.minval,a=c*0.1,d=2*Math.pow(10,Math.floor(Math.log(Math.max(Math.abs(this.minval),Math.abs(this.maxval))/this.magfact)/Math.LN10)-2),c<d&&(a=(d-c)*0.55),this.minval-=a,this.maxval+=a;else if(this.alt_autoscale_min)a=(this.maxval-this.minval)*0.1,this.minval-=a;else if(this.alt_autoscale_max)a=(this.maxval-this.minval)*0.1,this.maxval+=a;else{c=this.minval/this.magfact;d=this.maxval/this.magfact;for(b=1;a[b]>0;b++){if(a[b-1]>=c&&a[b]<=c)this.minval=a[b]*this.magfact;if(-a[b-1]<=c&&
+-a[b]>=c)this.minval=-a[b-1]*this.magfact;if(a[b-1]>=d&&a[b]<=d)this.maxval=a[b-1]*this.magfact;if(-a[b-1]<=d&&-a[b]>=d)this.maxval=-a[b]*this.magfact}}else this.minval=this.ylabfact*this.ygridstep*Math.floor(this.minval/(this.ylabfact*this.ygridstep)),this.maxval=this.ylabfact*this.ygridstep*Math.ceil(this.maxval/(this.ylabfact*this.ygridstep))},calc_horizontal_grid:function(){var a,c,d,b=0;this.ygrid_scale.labfact=2;a=this.maxval-this.minval;c=a/this.magfact;if(isNaN(c)||!isFinite(c))return!1;d=
+1;if(isNaN(this.ygridstep))if(this.alt_ygrid){c=Math.ceil(Math.log(Math.max(Math.abs(this.maxval),Math.abs(this.minval))*this.viewfactor/this.magfact)/Math.LN10);c<=0&&(c=1);this.ygrid_scale.gridstep=Math.pow(10,Math.floor(Math.log(a*this.viewfactor/this.magfact)/Math.LN10))/this.viewfactor*this.magfact;if(this.ygrid_scale.gridstep===0)this.ygrid_scale.gridstep=0.1;a/this.ygrid_scale.gridstep<5&&this.ygrid_scale.gridstep>=30&&(this.ygrid_scale.gridstep/=10);a/this.ygrid_scale.gridstep>15&&(this.ygrid_scale.gridstep*=
+10);if(a/this.ygrid_scale.gridstep>5){if(this.ygrid_scale.labfact=1,a/this.ygrid_scale.gridstep>8||this.ygrid_scale.gridstep<1.8*this.TEXT.AXIS.size)this.ygrid_scale.labfact=2}else this.ygrid_scale.gridstep/=5,this.ygrid_scale.labfact=5;a=Math.floor(Math.log(this.ygrid_scale.gridstep*this.ygrid_scale.labfact*this.viewfactor/this.magfact)/Math.LN10);if(a<0){c=c-a+1;if(this.unitslength<c+2)this.unitslength=c+2;this.ygrid_scale.labfmt=this.sprintf("%%%d.%df%s",c,-a,this.symbol!=" "?" %s":"")}else{c+=
+1;if(this.unitslength<c+2)this.unitslength=c+2;this.ygrid_scale.labfmt=this.sprintf("%%%d.0f%s",c,this.symbol!=" "?" %s":"")}}else{for(a=0;this.ylab[a].grid>0;a++)if(d=this.ysize/(c/this.ylab[a].grid),b=a,d>=5)break;for(a=0;a<4;a++)if(d*this.ylab[b].lfac[a]>=1.8*this.TEXT.AXIS.size){this.ygrid_scale.labfact=this.ylab[b].lfac[a];break}this.ygrid_scale.gridstep=this.ylab[b].grid*this.magfact}else this.ygrid_scale.gridstep=this.ygridstep,this.ygrid_scale.labfact=this.ylabfact;return!0},draw_horizontal_grid:function(){var a,
+c,d,b=0,f=this.xorigin,g=this.xorigin+this.xsize,h=Math.round(this.minval/this.ygrid_scale.gridstep-1),j=Math.round(this.maxval/this.ygrid_scale.gridstep+1),m,n=0,q="",p;c=this.ygrid_scale.gridstep/this.magfact*this.viewfactor;m=c*j;for(a=h;a<=j;a++)if(p=this.ytr(this.ygrid_scale.gridstep*a),d=this.ytr(this.ygrid_scale.gridstep*(a+1)),Math.floor(p+0.5)>=this.yorigin-this.ysize&&Math.floor(p+0.5)<=this.yorigin)if(a%this.ygrid_scale.labfact===0||b===1&&(d<this.yorigin-this.ysize||d>this.yorigin)){this.symbol===
+" "?d=this.alt_ygridf?this.sprintf(this.ygrid_scale.labfmt,c*a):m<10?this.sprintf("%4.1f",c*a):this.sprintf("%4.0f",c*a):(d=a===0?" ":this.symbol,d=this.alt_ygrid?this.sprintf(this.ygrid_scale.labfmt,c*a,d):m<10?this.sprintf("%4.1f %s",c*a,d):this.sprintf("%4.0f %s",c*a,d));b++;if(this.second_axis_scale!=0){var l;sval=this.ygrid_scale.gridstep*a*this.second_axis_scale+this.second_axis_shift;this.second_axis_format?l=this.sprintf(this.second_axis_format,sval):(n||(n=this.auto_scale(this.ygrid_scale.gridstep*
+(h+j)/2*this.second_axis_scale+this.second_axis_shift,q,n),q=n[1],n=n[2]),sval/=n,l=m<10?this.sprintf("%5.1f %s",sval,q):this.sprintf("%5.0f %s",sval,q));this.gfx_text(g+7,p,this.GRC.FONT,this.TEXT.AXIS,this.tabwidth,0,this.GFX_H.LEFT,this.GFX_V.CENTER,l)}this.gfx_text(f-this.TEXT.AXIS.size,p,this.GRC.FONT,this.TEXT.AXIS,this.tabwidth,0,this.GFX_H.RIGHT,this.GFX_V.CENTER,d);this.gfx_line(f-2,p,f,p,this.MGRIDWIDTH,this.GRC.MGRID);this.gfx_line(g,p,g+2,p,this.MGRIDWIDTH,this.GRC.MGRID);this.gfx_dashed_line(f-
+2,p,g+2,p,this.MGRIDWIDTH,this.GRC.MGRID,this.grid_dash_on,this.grid_dash_off)}else this.no_minor||(this.gfx_line(f-2,p,f,p,this.GRIDWIDTH,this.GRC.GRID),this.gfx_line(g,p,g+2,p,this.GRIDWIDTH,this.GRC.GRID),this.gfx_dashed_line(f-1,p,g+1,p,this.GRIDWIDTH,this.GRC.GRID,this.grid_dash_on,this.grid_dash_off));return 1},grid_paint:function(){var a;a=0;var c,d;if(this.draw_3d_border>0)a=this.draw_3d_border,this.gfx_new_area(0,this.yimg,a,this.yimg-a,a,a,this.GRC.SHADEA),this.gfx_add_point(this.ximg-a,
+a),this.gfx_add_point(this.ximg,0),this.gfx_add_point(0,0),this.gfx_close_path(),this.gfx_new_area(a,this.yimg-a,this.ximg-a,this.yimg-a,this.ximg-a,a,this.GRC.SHADEB),this.gfx_add_point(this.ximg,0),this.gfx_add_point(this.ximg,this.yimg),this.gfx_add_point(0,this.yimg),this.gfx_close_path();this.draw_x_grid&&this.vertical_grid();this.draw_y_grid&&((a=this.logarithmic?this.horizontal_log_grid():this.draw_horizontal_grid())||this.gfx_text(this.ximg/2,(2*this.yorigin-this.ysize)/2,this.GRC.FONT,this.TEXT.AXIS,
+this.tabwidth,0,this.GFX_H.CENTER,this.GFX_V.CENTER,"No Data found"));this.ylegend&&this.gfx_text(this.xOriginLegendY+10,this.yOriginLegendY,this.GRC.FONT,this.TEXT.UNIT,this.tabwidth,this.YLEGEND_ANGLE,this.GFX_H.CENTER,this.GFX_V.CENTER,this.ylegend);this.second_axis_legend&&this.gfx_text(this.xOriginLegendY2+10,this.yOriginLegendY2,this.GRC.FONT,this.TEXT.UNIT,this.tabwidth,this.YLEGEND_ANGLE,this.GFX_H.CENTER,this.GFX_V.CENTER,this.second_axis_legend);this.gfx_text(this.xOriginTitle,this.yOriginTitle+
+6,this.GRC.FONT,this.TEXT.TITLE,this.tabwidth,0,this.GFX_H.CENTER,this.GFX_V.TOP,this.title);this.no_rrdtool_tag||(a=this.parse_color(this.GRC.FONT),a[3]=0.3,a=this.color2rgba(a),this.gfx_text(this.legendposition===this.LEGEND_POS.EAST?this.xOriginLegendY:this.ximg-4,5,a,this.TEXT.WATERMARK,this.tabwidth,-90,this.GFX_H.LEFT,this.GFX_V.TOP,"RRDTOOL / TOBI OETIKER"));this.watermark&&(a=this.parse_color(this.GRC.FONT),a[3]=0.3,a=this.color2rgba(a),this.gfx_text(this.ximg/2,this.yimg-6,a,this.TEXT.FONT,
+this.tabwidth,0,this.GFX_H.CENTER,this.GFX_V.BOTTOM,this.watermark));var b;if(!this.no_legend&&!this.only_graph)for(a=0,b=this.gdes.length;a<b;a++)if(this.gdes[a].legend&&(c=this.xOriginLegend+this.gdes[a].leg_x,d=this.legenddirection===this.LEGEND_DIR.TOP_DOWN?this.yOriginLegend+this.gdes[a].leg_y:this.yOriginLegend+this.legendheight-this.gdes[a].leg_y,this.gfx_text(c,d,this.GRC.FONT,this.TEXT.LEGEND,this.tabwidth,0,this.GFX_H.LEFT,this.GFX_V.BOTTOM,this.gdes[a].legend),this.gdes[a].gf!=RRDGraphDesc.GF.PRINT&&
+this.gdes[a].gf!=RRDGraphDesc.GF.GPRINT&&this.gdes[a].gf!=RRDGraphDesc.GF.COMMENT)){var f,g;g=f=this.gfx_get_text_width(0,this.TEXT.LEGEND,this.tabwidth,"o")*1.2;d-=g*0.4;this.dynamic_labels&&this.gdes[a].gf===RRDGraphDesc.GF.HRULE?this.gfx_line(c,d-g/2,c+f,d-g/2,1,this.gdes[a].col):this.dynamic_labels&&this.gdes[a].gf===RRDGraphDesc.GF.VRULE?this.gfx_line(c+f/2,d,c+f/2,d-g,1,this.gdes[a].col):this.dynamic_labels&&this.gdes[a].gf===RRDGraphDesc.GF.LINE?this.gfx_line(c,d,c+f,d-g,this.gdes[a].linewidth,
+this.gdes[a].col):(this.gfx_new_area(c,d-g,c,d,c+f,d,this.GRC.BACK),this.gfx_add_point(Math.round(c+f)+0.5,Math.round(d-g)+0.5),this.gfx_close_path(),this.gfx_new_area(c,d-g,c,d,c+f,d,this.gdes[a].col),this.gfx_add_point(Math.round(c+f)+0.5,Math.round(d-g)+0.5),this.gfx_close_path(),this.ctx.save(),this.ctx.beginPath(),this.ctx.lineWidth=1,f=c+f,g=d-g,c=Math.round(c)+0.5,f=Math.round(f)+0.5,d=Math.round(d)+0.5,g=Math.round(g)+0.5,this.ctx.moveTo(c,d),this.ctx.lineTo(f,d),this.ctx.lineTo(f,g),this.ctx.lineTo(c,
+g),this.ctx.closePath(),this.ctx.strokeStyle=this.GRC.FRAME,this.ctx.stroke(),this.ctx.restore())}},graph_size_location:function(a){var c=0,d=0,b=0,f=0,g=0,h=0,j=0,m=4;if(this.only_graph)return this.xorigin=0,this.ximg=this.xsize,this.yorigin=this.yimg=this.ysize,this.ytr(Number.NaN),0;this.watermark&&(m=this.TEXT.WATERMARK.size*1.5);this.ylegend&&(c=this.TEXT.UNIT.size*1.5);this.second_axis_legend&&(d=this.TEXT.UNIT.size*1.5);b=this.title?this.TEXT.TITLE.size*1.95+10:22.5;if(a&&(this.draw_x_grid&&
+(j=this.TEXT.AXIS.size*1.35),this.draw_y_grid||this.forceleftspace))f=this.gfx_get_text_width(0,this.TEXT.AXIS,this.tabwidth,"0")*this.unitslength;f+=15;this.legendwidth=this.legendheight=0;if(!this.no_legend&&(this.legendposition===this.LEGEND_POS.WEST||this.legendposition===this.LEGEND_POS.EAST)&&this.leg_place(1)===-1)return-1;if(this.full_size_mode){this.ximg=this.xsize;this.yimg=this.ysize;g=this.ximg;h=this.yimg;g-=f;if((this.legendposition===this.LEGEND_POS.WEST||this.legendposition===this.LEGEND_POS.EAST)&&
+!this.no_legend)g-=this.legendwidth;this.second_axis_scale!=0&&(g-=f);this.no_rrdtool_tag||(g-=15);g-=c+d;g<1&&(g=1);this.xsize=g;if(!this.no_legend&&(this.legendposition===this.LEGEND_POS.NORTH||this.legendposition===this.LEGEND_POS.SOUTH))if(this.legendwidth=this.ximg,this.leg_place(0)===-1)return-1;h-=(this.legendposition===this.LEGEND_POS.NORTH||this.legendposition===this.LEGEND_POS.SOUTH)&&!this.no_legend?j+this.legendheight:j;h-=b;this.nolegened&&(h-=15);this.watermark&&(h-=m);h<1&&(h=1);this.ysize=
+h}else{if(a)g=this.xsize+15,h=this.ysize;this.ximg=g+f;this.no_rrdtool_tag||(this.ximg+=15);if((this.legendposition===this.LEGEND_POS.WEST||this.legendposition===this.LEGEND_POS.EAST)&&!this.no_legend)this.ximg+=this.legendwidth;this.second_axis_scale!=0&&(this.ximg+=f);this.ximg+=c+d;if(!this.no_legend&&(this.legendposition===this.LEGEND_POS.NORTH||this.legendposition===this.LEGEND_POS.SOUTH))if(this.legendwidth=this.ximg,this.leg_place(0)===-1)return-1;this.yimg=h+j;if((this.legendposition===this.LEGEND_POS.NORTH||
+this.legendposition===this.LEGEND_POS.SOUTH)&&!this.no_legend)this.yimg+=this.legendheight;this.yimg+=b?b:22.5;this.no_legend&&(this.yimg+=15);this.watermark&&(this.yimg+=m)}if(!this.no_legend&&(this.legendposition===this.LEGEND_POS.WEST||this.legendposition===this.LEGEND_POS.EAST)&&this.leg_place(0)===-1)return-1;switch(this.legendposition){case this.LEGEND_POS.NORTH:this.xOriginTitle=Math.round(c+f+this.xsize/2);this.xOriginLegend=this.yOriginTitle=0;this.yOriginLegend=Math.round(b);this.xOriginLegendY=
+0;this.yOriginLegendY=Math.round(b+this.legendheight+h/2+j);this.xorigin=Math.round(c+f);this.yorigin=Math.round(b+this.legendheight+h);this.xOriginLegendY2=Math.round(c+f+g);this.second_axis_scale!=0&&(this.xOriginLegendY2+=f);this.yOriginLegendY2=Math.round(b+this.legendheight+h/2+j);break;case this.LEGEND_POS.WEST:this.xOriginTitle=Math.round(this.legendwidth+c+f+this.xsize/2);this.xOriginLegend=this.yOriginTitle=0;this.yOriginLegend=Math.round(b);this.xOriginLegendY=Math.round(this.legendwidth);
+this.yOriginLegendY=Math.round(b+h/2);this.xorigin=Math.round(this.legendwidth+c+f);this.yorigin=Math.round(b+h);this.xOriginLegendY2=Math.round(this.legendwidth+c+f+g);this.second_axis_scale!=0&&(this.xOriginLegendY2+=f);this.yOriginLegendY2=Math.round(b+h/2);break;case this.LEGEND_POS.SOUTH:this.xOriginTitle=Math.round(c+f+this.xsize/2);this.xOriginLegend=this.yOriginTitle=0;this.yOriginLegend=Math.round(b+h+j);this.xOriginLegendY=0;this.yOriginLegendY=Math.round(b+h/2);this.xorigin=Math.round(c+
+f);this.yorigin=Math.round(b+h);this.xOriginLegendY2=Math.round(c+f+g);this.second_axis_scale!=0&&(this.xOriginLegendY2+=f);this.yOriginLegendY2=Math.round(b+h/2);break;case this.LEGEND_POS.EAST:this.xOriginTitle=Math.round(c+f+this.xsize/2),this.yOriginTitle=0,this.xOriginLegend=Math.round(c+f+g+d),this.second_axis_scale!=0&&(this.xOriginLegend+=f),this.yOriginLegend=Math.round(b),this.xOriginLegendY=0,this.yOriginLegendY=Math.round(b+h/2),this.xorigin=Math.round(c+f),this.yorigin=Math.round(b+h),
+this.xOriginLegendY2=Math.round(c+f+g),this.second_axis_scale!=0&&(this.xOriginLegendY2+=f),this.yOriginLegendY2=Math.round(b+h/2),this.no_rrdtool_tag||(this.xOriginTitle+=15,this.xOriginLegend+=15,this.xOriginLegendY+=15,this.xorigin+=15,this.xOriginLegendY2+=15)}this.xtr(0);this.ytr(Number.NaN);return 0},graph_paint:function(){if(this.logarithmic&&this.minval<=0)throw"for a logarithmic yaxis you must specify a lower-limit > 0";if(this.start<31536E4)throw"the first entry to fetch should be after 1980 ("+
+this.start+"%ld)";if(this.end<this.start)throw"start ("+this.start+") should be less than end ("+this.end+")";this.xlab_user={minsec:-1,length:0,gridtm:0,gridst:0,mgridtm:0,mgridst:0,labtm:0,labst:0,precis:0,stst:null};this.ygrid_scale={gridstep:0,labfact:0,labfmt:null};this.minval=this.setminval;this.maxval=this.setmaxval;this.step=Math.max(this.step,(this.end-this.start)/this.xsize);for(var a=0,c=this.gdes.length;a<c;a++)this.gdes[a].step=0,this.gdes[a].step_orig=this.step,this.gdes[a].start=this.start,
+this.gdes[a].end=this.end;var d=0,b=null;if(this.data_fetch()===-1)return-1;if(this.data_calc()===-1)return-1;a=this.print_calc();if(a<0)return-1;if(this.graph_size_location(a)===-1)return-1;if(this.data_proc()===-1)return-1;this.logarithmic||this.si_unit();!this.rigid&&!this.logarithmic&&this.expand_range();if(this.magfact===0)this.magfact=1;if(!this.calc_horizontal_grid())return-1;this.ytr(Number.NaN);this.canvas.height=this.yimg;this.canvas.width=this.ximg;this.gfx_new_area(0,0,0,this.yimg,this.ximg,
+this.yimg,this.GRC.BACK);this.gfx_add_point(this.ximg,0);this.gfx_close_path();this.gfx_new_area(this.xorigin,this.yorigin,this.xorigin+this.xsize,this.yorigin,this.xorigin+this.xsize,this.yorigin-this.ysize,this.GRC.CANVAS);this.gfx_add_point(this.xorigin,this.yorigin-this.ysize);this.gfx_close_path();if(this.minval>0)d=this.minval;if(this.maxval<0)d=this.maxval;for(a=0,c=this.gdes.length;a<c;a++)switch(this.gdes[a].gf){case RRDGraphDesc.GF.TICK:for(var f=0;f<this.xsize;f++)!isNaN(this.gdes[a].p_data[f])&&
+this.gdes[a].p_data[f]!=0&&(this.gdes[a].yrule>0?this.gfx_line(this.xorigin+f,this.yorigin+1,this.xorigin+f,this.yorigin-this.gdes[a].yrule*this.ysize,1,this.gdes[a].col):this.gdes[a].yrule<0&&this.gfx_line(this.xorigin+f,this.yorigin-this.ysize-1,this.xorigin+f,this.yorigin-this.ysize-this.gdes[a].yrule*this.ysize,1,this.gdes[a].col));break;case RRDGraphDesc.GF.LINE:case RRDGraphDesc.GF.AREA:for(var f=this.maxval-this.minval,g=this.maxval+9*f,h=this.minval-9*f,f=0;f<this.xsize;f++)isNaN(this.gdes[a].p_data[f])||
+(isFinite(this.gdes[a].p_data[f])||(this.gdes[a].p_data[f]=this.gdes[a].p_data[f]>0?this.maxval:this.minval),this.gdes[a].p_data[f]>g&&(this.gdes[a].p_data[f]=g),this.gdes[a].p_data[f]<h&&(this.gdes[a].p_data[f]=h));if(this.parse_color(this.gdes[a].col)[3]!=0)if(this.gdes[a].gf===RRDGraphDesc.GF.LINE){g=0;h=!1;this.ctx.save();this.ctx.beginPath();this.ctx.lineWidth=this.gdes[a].linewidth;for(f=1;f<this.xsize;f++)if(isNaN(this.gdes[a].p_data[f])||this.slopemode&&isNaN(this.gdes[a].p_data[f-1]))h=!1;
+else if(h){var j=f+this.xorigin,m=this.ytr(this.gdes[a].p_data[f]);!this.slopemode&&!this.AlmostEqual2sComplement(m,g,4)&&(n=f-1+this.xorigin,q=m,n=Math.round(n)+0.5,q=Math.round(q)+0.5,this.ctx.lineTo(n,q));g=m;j=Math.round(j)+0.5;m=Math.round(m)+0.5;this.ctx.lineTo(j,m)}else{g=this.ytr(this.gdes[a].p_data[f]);if(this.slopemode)n=f-1+this.xorigin,q=this.ytr(this.gdes[a].p_data[f-1]);else var n=f-1+this.xorigin,q=g;n=Math.round(n)+0.5;q=Math.round(q)+0.5;this.ctx.moveTo(n,q);n=f+this.xorigin;q=g;
+n=Math.round(n)+0.5;q=Math.round(q)+0.5;this.ctx.lineTo(n,q);h=!0}this.ctx.strokeStyle=this.gdes[a].col;this.ctx.lineCap="round";this.ctx.round="round";this.ctx.stroke();this.ctx.restore()}else{g=-1;h=[];j=[];m=[];n=[];q=!1;for(f=0;f<=this.xsize;f++){var p,l;if(g>0&&(q||f===this.xsize)){q=1;for(p=0;q<g&&this.AlmostEqual2sComplement(h[p],h[q],4)&&this.AlmostEqual2sComplement(h[p],h[q+1],4);)q++;for(this.gfx_new_area(n[0],m[0],j[0],h[0],j[q],h[q],this.gdes[a].col);q<g;){p=q;for(q++;q<g&&this.AlmostEqual2sComplement(h[p],
+h[q],4)&&this.AlmostEqual2sComplement(h[p],h[q+1],4);)q++;this.gfx_add_point(j[q],h[q])}for(this.gfx_add_point(n[g],m[g]);g>1;){p=g;for(g--;g>1&&this.AlmostEqual2sComplement(m[p],m[g],4)&&this.AlmostEqual2sComplement(m[p],m[g-1],4);)g--;this.gfx_add_point(n[g],m[g])}g=-1;q=!1;this.gfx_close_path()}q&&(q=!1,g=-1);if(f===this.xsize)break;if(this.slopemode||f!==0)if(isNaN(this.gdes[a].p_data[f]))q=!0;else if(l=this.ytr(this.gdes[a].p_data[f]),p=b&&this.gdes[a].stack?this.ytr(b.p_data[f]):this.ytr(d),
+p===l)q=!0;else{if(p>l){var o=l;l=p;p=o}this.slopemode||(m[++g]=p-0.2,n[g]=f+this.xorigin-1,h[g]=l+0.2,j[g]=f+this.xorigin-1);m[++g]=p-0.2;n[g]=f+this.xorigin;h[g]=l+0.2;j[g]=f+this.xorigin}}}for(f=0;f<this.xsize;f++)isNaN(this.gdes[a].p_data[f])&&(this.gdes[a].p_data[f]=b&&this.gdes[a].stack?b.p_data[f]:d);b=this.gdes[a];break;case RRDGraphDesc.GF.STACK:throw"STACK should already be turned into LINE or AREA here";}this.only_graph||this.grid_paint();this.only_graph||this.axis_paint();for(a=0,c=this.gdes.length;a<
+c;a++)switch(this.gdes[a].gf){case RRDGraphDesc.GF.HRULE:this.gdes[a].yrule>=this.minval&&this.gdes[a].yrule<=this.maxval&&this.gfx_line(this.xorigin,this.ytr(this.gdes[a].yrule),this.xorigin+this.xsize,this.ytr(this.gdes[a].yrule),1,this.gdes[a].col);break;case RRDGraphDesc.GF.VRULE:this.gdes[a].xrule>=this.start&&this.gdes[a].xrule<=this.end&&this.gfx_line(this.xtr(this.gdes[a].xrule),this.yorigin,this.xtr(this.gdes[a].xrule),this.yorigin-this.ysize,1,this.gdes[a].col)}return 0},find_var:function(a){for(var c=
+0,d=this.gdes.length;c<d;c++)if((this.gdes[c].gf===RRDGraphDesc.GF.DEF||this.gdes[c].gf===RRDGraphDesc.GF.VDEF||this.gdes[c].gf===RRDGraphDesc.GF.CDEF)&&this.gdes[c].vname===a)return c;return-1},parse_def:function(a){var a=a.split(/:/),c=1,d=a[c++].split("="),b=d[0],d=d[1],f=a[c++],g=a[c++],h=void 0,j=void 0,m=void 0,n=void 0;if(a.length>c)for(var q=a.length;c<q;c++){var p=a[c].split("=");p[0]==="step"&&(h=p[1]);p[0]==="reduce"&&(j=p[1]);p[0]==="start"&&(m=p[1]);p[0]==="end"&&(n=p[1])}this.create_def(b,
+d,f,g,h,m,n,j)},create_def:function(a,c,d,b,f,g,h,j){var m=new RRDGraphDesc(this),n=new RRDTime(this.start),q=new RRDTime(this.end);m.gf=RRDGraphDesc.GF.DEF;m.vname=a;m.vidx=this.find_var(a);m.rrd=c;m.ds_nam=d;m.cf=this.cf_conv(b);if(f!=void 0&&f!=null)m.step=f;g!=void 0&&g!=null&&(n=new RRDTime(g));h!=void 0&&h!=null&&(q=new RRDTime(h));m.cf_reduce=j===void 0||j===null?m.cf:this.cf_conv(j);m.legend="";a=RRDTime.proc_start_end(n,q);m.start=a[0];m.end=a[1];m.start_orig=a[0];m.end_orig=a[1];this.gdes.push(m)},
+parse_cdef:function(a){a=a.split(/:|=/);this.create_cdef(a[1],a[2])},create_cdef:function(a,c){var d=new RRDGraphDesc(this);d.gf=RRDGraphDesc.GF.CDEF;d.vname=a;d.vidx=this.find_var(a);d.rpnp=new RRDRpn(c,this.gdes);d.legend="";this.gdes.push(d)},parse_vdef:function(a){a=a.split(/:|=/);this.create_vdef(a[1],a[2])},create_vdef:function(a,c){var d=new RRDGraphDesc(this);d.gf=RRDGraphDesc.GF.VDEF;d.vname=a;var b=c.indexOf(","),f=c.substring(0,b);d.vidx=this.find_var(f);if(this.gdes[d.vidx].gf!=RRDGraphDesc.GF.DEF&&
+this.gdes[d.vidx].gf!=RRDGraphDesc.GF.CDEF)throw'variable "'+f+'" not DEF nor CDEF in VDEF.';this.vdef_parse(d,c.substring(b+1));d.legend="";this.gdes.push(d)},parse_shift:function(a){a=a.split(":");this.create_shift(a[1],a[2])},create_shift:function(a,c){var d=new RRDGraphDesc(this);d.gf=RRDGraphDesc.GF.SHIFT;d.vname=a;d.vidx=this.find_var(a);if(this.gdes[d.vidx].gf===RRDGraphDesc.GF.VDEF)throw"Cannot shift a VDEF: '%s' in line '"+this.gdes[d.vidx].vname+"'";if(this.gdes[d.vidx].gf!==RRDGraphDesc.GF.DEF&&
+this.gdes[d.vidx].gf!==RRDGraphDesc.GF.CDEF)throw"Encountered unknown type variable '"+this.gdes[d.vidx].vname+"'";d.shidx=this.find_var(c);if(d.shidx>=0){if(this.gdes[d.shidx].gf===RRDGraphDesc.GF.DEF||this.gdes[d.shidx].gf===RRDGraphDesc.GF.CDEF)throw"Offset cannot be a (C)DEF: '"+this.gdes[d.shidx].gf+"'";if(this.gdes[d.shidx].gf!==RRDGraphDesc.GF.VDEF)throw"Encountered unknown type variable '"+this.gdes[d.shidx].vname+"'";}else d.shval=parseInt(c,10),d.shidx=-1;d.legend="";this.gdes.push(d)},
+parse_line:function(a){var a=a.split(/#|:/),c=parseFloat(a[0].substr(4)),d=a[4]==="STACK"?!0:void 0,b=this.parse_color(a[2]);this.create_line(c,a[1],this.color2rgba(b),a[3],d)},create_line:function(a,c,d,b,f){var g=new RRDGraphDesc(this);g.gf=RRDGraphDesc.GF.LINE;g.vname=c;g.vidx=this.find_var(c);g.linewidth=a;g.col=d;g.legend=b===void 0?"":"  "+b;g.stack=f===void 0?!1:f;g.format=g.legend;this.gdes.push(g)},parse_area:function(a){var a=a.split(/#|:/),c=a[3]==="STACK"?!0:void 0,d=this.parse_color(a[2]);
+this.create_area(a[1],this.color2rgba(d),c)},create_area:function(a,c,d,b){var f=new RRDGraphDesc(this);f.gf=RRDGraphDesc.GF.AREA;f.vname=a;f.vidx=this.find_var(a);f.col=c;f.legend=d===void 0?"":"  "+d;f.stack=b===void 0?!1:b;f.format=f.legend;this.gdes.push(f)},parse_tick:function(a){var a=a.split(/:|#/),c=this.parse_color(a[2]);this.create_tick(a[1],this.color2rgba(c),a[3],a[4])},create_tick:function(a,c,d,b){var f=new RRDGraphDesc(this);f.gf=RRDGraphDesc.GF.TICK;f.vname=a;f.vidx=this.find_var(a);
+f.col=c;if(b!==void 0)f.yrule=d;f.legend=b===void 0?"":"  "+b;f.format=f.legend;this.gdes.push(f)},parse_gprint:function(a){var a=a.split(":"),c=!1,d=a[1],b=a[2],f="";if(a.length>3)for(var g=0,h=3,j=a.length;h<j;h++)a[h]==="strftime"?c=!0:(f=g>0?f+":"+a[h]:a[h],g++);this.create_gprint(d,b,f,c)},create_gprint:function(a,c,d,b){var f=new RRDGraphDesc(this);f.gf=RRDGraphDesc.GF.GPRINT;f.vname=a;f.vidx=this.find_var(a);f.legend="";if(d===void 0)switch(f.format=c,this.gdes[f.vidx].gf){case RRDGraphDesc.GF.DEF:case RRDGraphDesc.GF.CDEF:f.cf=
+this.gdes[f.vidx].cf;break;case RRDGraphDesc.GF.VDEF:break;default:throw"Encountered unknown type variable "+this.gdes[f.vidx].vname;}else f.cf=this.cf_conv(c),f.format=d;if(this.gdes[f.vidx].gf===RRDGraphDesc.GF.VDEF&&b===!0)f.strftm=!0;this.gdes.push(f)},parse_comment:function(a){var c=a.indexOf(":");this.create_comment(a.substr(c+1))},create_comment:function(a){var c=new RRDGraphDesc(this);c.gf=RRDGraphDesc.GF.COMMENT;c.vidx=-1;c.legend=a;this.gdes.push(c)},parse_textaling:function(a){var c=a.indexOf(":");
+this.create_textalign(a.substr(c+1))},create_textalign:function(a){var c=new RRDGraphDesc(this);c.gf=RRDGraphDesc.GF.TEXTALIGN;c.vidx=-1;if(a==="left")c.txtalign=RRDGraphDesc.TXA.LEFT;else if(a==="right")c.txtalign=RRDGraphDesc.TXA.RIGHT;else if(a==="justified")c.txtalign=RRDGraphDesc.TXA.JUSTIFIED;else if(a==="center")c.txtalign=RRDGraphDesc.TXA.CENTER;else throw"Unknown alignement type '"+a+"'";this.gdes.push(c)},parse_vrule:function(a){a=a.split(/:|#/);this.create_vrule(a[1],"#"+a[2],a[3])},create_vrule:function(a,
+c,d){var b=new RRDGraphDesc(this);b.gf=RRDGraphDesc.GF.VRULE;b.xrule=a;b.col=c;b.legend=d===void 0?"":"  "+d;this.gdes.push(b)},parse_hrule:function(a){a=a.split(/:|#/);this.create_hrule(a[1],"#"+a[2],a[3])},create_hrule:function(a,c,d){var b=new RRDGraphDesc(this);b.gf=RRDGraphDesc.GF.HRULE;b.yrule=a;b.col=c;b.legend=d===void 0?"":"  "+d;this.gdes.push(b)},cf_conv:function(a){switch(a){case "AVERAGE":return RRDGraphDesc.CF.AVERAGE;case "MIN":return RRDGraphDesc.CF.MINIMUM;case "MAX":return RRDGraphDesc.CF.MAXIMUM;
+case "LAST":return RRDGraphDesc.CF.LAST;case "HWPREDICT":return RRDGraphDesc.CF.HWPREDICT;case "MHWPREDICT":return RRDGraphDesc.CF.MHWPREDICT;case "DEVPREDICT":return RRDGraphDesc.CF.DEVPREDICT;case "SEASONAL":return RRDGraphDesc.CF.SEASONAL;case "DEVSEASONAL":return RRDGraphDesc.CF.DEVSEASONAL;case "FAILURES":return RRDGraphDesc.CF.FAILURES}return-1},tmt_conv:function(a){switch(a){case "SECOND":return RRDGraph.TMT.SECOND;case "MINUTE":return RRDGraph.TMT.MINUTE;case "HOUR":return RRDGraph.TMT.HOUR;
+case "DAY":return RRDGraph.TMT.DAY;case "WEEK":return RRDGraph.TMT.WEEK;case "MONTH":return RRDGraph.TMT.MONTH;case "YEAR":return RRDGraph.TMT.YEAR}return-1},vdef_parse:function(a,c){var d,b;b=c.indexOf(",");b!=-1?(d=parseFloat(c.substr(0,b)),b=c.substr(b+1)):(d=Number.NaN,b=c);a.vf={op:null,param:null,val:null,when:null};if(b==="PERCENT")a.vf.op=RRDGraphDesc.VDEF.PERCENT;else if(b==="PERCENTNAN")a.vf.op=RRDGraphDesc.VDEF.PERCENTNAN;else if(b==="MAXIMUM")a.vf.op=RRDGraphDesc.VDEF.MAXIMUM;else if(b===
+"AVERAGE")a.vf.op=RRDGraphDesc.VDEF.AVERAGE;else if(b==="STDEV")a.vf.op=RRDGraphDesc.VDEF.STDEV;else if(b==="MINIMUM")a.vf.op=RRDGraphDesc.VDEF.MINIMUM;else if(b==="TOTAL")a.vf.op=RRDGraphDesc.VDEF.TOTAL;else if(b==="FIRST")a.vf.op=RRDGraphDesc.VDEF.FIRST;else if(b==="LAST")a.vf.op=RRDGraphDesc.VDEF.LAST;else if(b==="LSLSLOPE")a.vf.op=RRDGraphDesc.VDEF.LSLSLOPE;else if(b==="LSLINT")a.vf.op=RRDGraphDesc.VDEF.LSLINT;else if(b==="LSLCORREL")a.vf.op=RRDGraphDesc.VDEF.LSLCORREL;else throw'Unknown function "'+
+b+'" in VDEF "'+a.vname+'"';switch(a.vf.op){case RRDGraphDesc.VDEF.PERCENT:case RRDGraphDesc.VDEF.PERCENTNAN:if(isNaN(d))throw"Function '"+b+"' needs parameter in VDEF '"+a.vname+"'";if(d>=0&&d<=100)a.vf.param=d,a.vf.val=Number.NaN,a.vf.when=0;else throw"Parameter '"+d+"' out of range in VDEF '"+a.vname+"'";break;case RRDGraphDesc.VDEF.MAXIMUM:case RRDGraphDesc.VDEF.AVERAGE:case RRDGraphDesc.VDEF.STDEV:case RRDGraphDesc.VDEF.MINIMUM:case RRDGraphDesc.VDEF.TOTAL:case RRDGraphDesc.VDEF.FIRST:case RRDGraphDesc.VDEF.LAST:case RRDGraphDesc.VDEF.LSLSLOPE:case RRDGraphDesc.VDEF.LSLINT:case RRDGraphDesc.VDEF.LSLCORREL:if(isNaN(d))a.vf.param=
+Number.NaN,a.vf.val=Number.NaN,a.vf.when=0;else throw"Function '"+b+"' needs no parameter in VDEF '"+a.vname+"'";}return 0},vdef_calc:function(a){var c,d,b,f,a=this.gdes[a];c=this.gdes[a.vidx];d=c.data;f=(c.end-c.start)/c.step;switch(a.vf.op){case RRDGraphDesc.VDEF.PERCENT:var g=[],h;for(b=0;b<f;b++)g[b]=d[b*c.ds_cnt];g.sort(this.vdef_percent_compar);h=Math.round(a.vf.param*(f-1)/100);a.vf.val=g[h];a.vf.when=0;break;case RRDGraphDesc.VDEF.PERCENTNAN:g=[];for(b=h=0;b<f;b++)isNaN(d[b*c.ds_cnt])||(g[h]=
+d[b*c.ds_cnt]);g.sort(vdef_percent_compar);h=Math.round(a.vf.param*(h-1)/100);a.vf.val=g[h];a.vf.when=0;break;case RRDGraphDesc.VDEF.MAXIMUM:for(b=0;b!=f&&isNaN(d[b*c.ds_cnt]);)b++;b===f?(a.vf.val=Number.NaN,a.vf.when=0):(a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+(b+1)*c.step);for(;b!=f;){if(isFinite(d[b*c.ds_cnt])&&d[b*c.ds_cnt]>a.vf.val)a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+(b+1)*c.step;b++}break;case RRDGraphDesc.VDEF.TOTAL:case RRDGraphDesc.VDEF.STDEV:case RRDGraphDesc.VDEF.AVERAGE:var j=h=
+g=0;for(b=0;b<f;b++)isFinite(d[b*c.ds_cnt])&&(h+=d[b*c.ds_cnt],g++);if(g)if(a.vf.op===RRDGraphDesc.VDEF.TOTAL)a.vf.val=h*c.step;else if(a.vf.op===RRDGraphDesc.VDEF.AVERAGE)a.vf.val=h/g;else{j=h/g;for(b=h=0;b<f;b++)isFinite(d[b*c.ds_cnt])&&(h+=Math.pow(d[b*c.ds_cnt]-j,2));a.vf.val=Math.pow(h/g,0.5)}else a.vf.val=Number.NaN;a.vf.when=0;break;case RRDGraphDesc.VDEF.MINIMUM:for(b=0;b!=f&&isNaN(d[b*c.ds_cnt]);)b++;b===f?(a.vf.val=Number.NaN,a.vf.when=0):(a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+(b+1)*
+c.step);for(;b!=f;){if(isFinite(d[b*c.ds_cnt])&&d[b*c.ds_cnt]<a.vf.val)a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+(b+1)*c.step;b++}break;case RRDGraphDesc.VDEF.FIRST:for(b=0;b!=f&&isNaN(d[b*c.ds_cnt]);)b++;b===f?(a.vf.val=Number.NaN,a.vf.when=0):(a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+b*c.step);break;case RRDGraphDesc.VDEF.LAST:for(b=f-1;b>=0&&isNaN(d[b*c.ds_cnt]);)b--;b<0?(a.vf.val=Number.NaN,a.vf.when=0):(a.vf.val=d[b*c.ds_cnt],a.vf.when=c.start+(b+1)*c.step);break;case RRDGraphDesc.VDEF.LSLSLOPE:case RRDGraphDesc.VDEF.LSLINT:case RRDGraphDesc.VDEF.LSLCORREL:var g=
+0,m,n,q;for(b=q=n=m=j=h=0;b<f;b++)isFinite(d[b*c.ds_cnt])&&(g++,h+=b,n+=b*b,m+=b*d[b*c.ds_cnt],j+=d[b*c.ds_cnt],q+=d[b*c.ds_cnt]*d[b*c.ds_cnt]);c=(h*j-g*m)/(h*h-g*n);d=(j-c*h)/g;b=(m-h*j/g)/Math.sqrt((n-h*h/g)*(q-j*j/g));if(g)if(a.vf.op===RRDGraphDesc.VDEF.LSLSLOPE)a.vf.val=c,a.vf.when=0;else if(a.vf.op===RRDGraphDesc.VDEF.LSLINT)a.vf.val=d,a.vf.when=0;else{if(a.vf.op===RRDGraphDesc.VDEF.LSLCORREL)a.vf.val=b,a.vf.when=0}else a.vf.val=DNAN,a.vf.when=0}return 0},vdef_percent_compar:function(a,c){return isNaN(a)?
+-1:isNaN(c)?1:!isFinite(a)?a===-Infinity?-1:1:!isFinite(c)?c===-Infinity?-1:1:a<c?-1:1},rrd_fetch:function(a,c){var d,b=0,f=0,g=0,h=0,j=0,m=g=0,n=0,q=1,p=1,l;try{if(this.rrdfiles[a.rrd])l=this.rrdfiles[a.rrd];else{var o=FetchBinaryURL(a.rrd);l=new RRDFile(o);this.rrdfiles[a.rrd]=l}}catch(E){throw console.log(E.message),console.log(E.stack),"File "+a.rrd+" is not a valid RRD archive!";}for(var w=a.cf,o=l.getNrDSs(),A=l.getNrRRAs(),z=0;z<o;z++)a.ds_namv[z]=l.rrd_header.getDSbyIdx(z).getName();for(z=
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-b==-1?ra():Ea||(Ea=setTimeout(ra,b))}function ra(){Ea=null;da.save();da.clearRect(0,0,ea,la);da.translate(E.left,E.top);var b,e;for(b=0;b<ya.length;++b)if(e=ya[b],e.series.bars.show)t(e.series,e.point);else{var j=e.series,h=e.point;e=h[0];var h=h[1],l=j.xaxis,n=j.yaxis;if(!(e<l.min||e>l.max||h<n.min||h>n.max)){var o=j.points.radius+j.points.lineWidth/2;da.lineWidth=o;da.strokeStyle=d.color.parse(j.color).scale("a",0.5).toString();o*=1.5;e=l.p2c(e);h=n.p2c(h);da.beginPath();j.points.symbol=="circle"?
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-e){for(var d=0;d<ya.length;++d){var h=ya[d];if(h.series==b&&h.point[0]==e[0]&&h.point[1]==e[1])return d}return-1}function t(b,e){da.lineWidth=b.bars.lineWidth;da.strokeStyle=d.color.parse(b.color).scale("a",0.5).toString();var j=d.color.parse(b.color).scale("a",0.5).toString(),h=b.bars.align=="left"?0:-b.bars.barWidth/2;T(e[0],e[1],e[2]||0,h,h+b.bars.barWidth,0,function(){return j},b.xaxis,b.yaxis,da,b.bars.horizontal,b.bars.lineWidth)}function w(b,e,j,h){if(typeof b=="string")return b;else{for(var e=
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-position:"bottom",mode:null,font:null,color:null,tickColor:null,transform:null,inverseTransform:null,min:null,max:null,autoscaleMargin:null,ticks:null,tickFormatter:null,labelWidth:null,labelHeight:null,reserveSpace:null,tickLength:null,alignTicksWithAxis:null,tickDecimals:null,tickSize:null,minTickSize:null,monthNames:null,timeformat:null,twelveHourClock:!1},yaxis:{autoscaleMargin:0.02,position:"left"},xaxes:[],yaxes:[],series:{points:{show:!1,radius:3,lineWidth:2,fill:!0,fillColor:"#ffffff",symbol:"circle"},
-lines:{lineWidth:2,fill:!1,fillColor:null,steps:!1},bars:{show:!1,lineWidth:2,barWidth:1,fill:!0,fillColor:null,align:"left",horizontal:!1},shadowSize:3},grid:{show:!0,aboveData:!1,color:"#545454",backgroundColor:null,borderColor:null,tickColor:null,labelMargin:5,axisMargin:8,borderWidth:2,minBorderMargin:null,markings:null,markingsColor:"#f4f4f4",markingsLineWidth:2,clickable:!1,hoverable:!1,autoHighlight:!0,mouseActiveRadius:10},interaction:{redrawOverlayInterval:1E3/60},hooks:{}},Ba=null,ca=null,
-pa=null,u=null,da=null,ia=[],ka=[],E={left:0,right:0,top:0,bottom:0},ea=0,la=0,xa=0,sa=0,ta={processOptions:[],processRawData:[],processDatapoints:[],drawSeries:[],draw:[],bindEvents:[],drawOverlay:[],shutdown:[]},U=this;U.setData=N;U.setupGrid=X;U.draw=fa;U.getPlaceholder=function(){return h};U.getCanvas=function(){return Ba};U.getPlotOffset=function(){return E};U.width=function(){return xa};U.height=function(){return sa};U.offset=function(){var b=pa.offset();b.left+=E.left;b.top+=E.top;return b};
-U.getData=function(){return J};U.getAxes=function(){var b={};d.each(ia.concat(ka),function(e,d){d&&(b[d.direction+(d.n!=1?d.n:"")+"axis"]=d)});return b};U.getXAxes=function(){return ia};U.getYAxes=function(){return ka};U.c2p=G;U.p2c=function(b){var e={},d,h,l;for(d=0;d<ia.length;++d)if((h=ia[d])&&h.used)if(l="x"+h.n,b[l]==null&&h.n==1&&(l="x"),b[l]!=null){e.left=h.p2c(b[l]);break}for(d=0;d<ka.length;++d)if((h=ka[d])&&h.used)if(l="y"+h.n,b[l]==null&&h.n==1&&(l="y"),b[l]!=null){e.top=h.p2c(b[l]);break}return e};
-U.getOptions=function(){return n};U.highlight=wa;U.unhighlight=Ma;U.triggerRedrawOverlay=ba;U.pointOffset=function(b){return{left:parseInt(ia[K(b,"x")-1].p2c(+b.x)+E.left),top:parseInt(ka[K(b,"y")-1].p2c(+b.y)+E.top)}};U.shutdown=function(){Ea&&clearTimeout(Ea);pa.unbind("mousemove",aa);pa.unbind("mouseleave",D);pa.unbind("click",oa);z(ta.shutdown,[pa])};U.resize=function(){V();Q(Ba);Q(ca)};U.hooks=ta;(function(){for(var b=0;b<q.length;++b){var e=q[b];e.init(U);e.options&&d.extend(!0,n,e.options)}})(U);
-(function(b){d.extend(!0,n,b);if(n.xaxis.color==null)n.xaxis.color=n.grid.color;if(n.yaxis.color==null)n.yaxis.color=n.grid.color;if(n.xaxis.tickColor==null)n.xaxis.tickColor=n.grid.tickColor;if(n.yaxis.tickColor==null)n.yaxis.tickColor=n.grid.tickColor;if(n.grid.borderColor==null)n.grid.borderColor=n.grid.color;if(n.grid.tickColor==null)n.grid.tickColor=d.color.parse(n.grid.color).scale("a",0.22).toString();for(b=0;b<Math.max(1,n.xaxes.length);++b)n.xaxes[b]=d.extend(!0,{},n.xaxis,n.xaxes[b]);for(b=
-0;b<Math.max(1,n.yaxes.length);++b)n.yaxes[b]=d.extend(!0,{},n.yaxis,n.yaxes[b]);if(n.xaxis.noTicks&&n.xaxis.ticks==null)n.xaxis.ticks=n.xaxis.noTicks;if(n.yaxis.noTicks&&n.yaxis.ticks==null)n.yaxis.ticks=n.yaxis.noTicks;if(n.x2axis)n.xaxes[1]=d.extend(!0,{},n.xaxis,n.x2axis),n.xaxes[1].position="top";if(n.y2axis)n.yaxes[1]=d.extend(!0,{},n.yaxis,n.y2axis),n.yaxes[1].position="right";if(n.grid.coloredAreas)n.grid.markings=n.grid.coloredAreas;if(n.grid.coloredAreasColor)n.grid.markingsColor=n.grid.coloredAreasColor;
-n.lines&&d.extend(!0,n.series.lines,n.lines);n.points&&d.extend(!0,n.series.points,n.points);n.bars&&d.extend(!0,n.series.bars,n.bars);if(n.shadowSize!=null)n.series.shadowSize=n.shadowSize;for(b=0;b<n.xaxes.length;++b)r(ia,b+1).options=n.xaxes[b];for(b=0;b<n.yaxes.length;++b)r(ka,b+1).options=n.yaxes[b];for(var e in ta)n.hooks[e]&&n.hooks[e].length&&(ta[e]=ta[e].concat(n.hooks[e]));z(ta.processOptions,[n])})(B);(function(){var b;b=h.children("canvas.flot-base");var e=h.children("canvas.flot-overlay");
-b.length==0||e==0?(h.html(""),h.css({padding:0}),h.css("position")=="static"&&h.css("position","relative"),V(),Ba=A(!0,"flot-base"),ca=A(!1,"flot-overlay"),b=!1):(Ba=b.get(0),ca=e.get(0),b=!0);u=Ba.getContext("2d");da=ca.getContext("2d");pa=d(ca);b&&(h.data("plot").shutdown(),U.resize(),da.clearRect(0,0,ea,la),pa.unbind(),h.children().not([Ba,ca]).remove());h.data("plot",U)})();N(C);X();fa();n.grid.hoverable&&(pa.mousemove(aa),pa.mouseleave(D));n.grid.clickable&&pa.click(oa);z(ta.bindEvents,[pa]);
-var ya=[],Ea=null}function F(d,h){return h*Math.floor(d/h)}d.plot=function(p,C,F){return new h(d(p),C,F,d.plot.plugins)};d.plot.version="0.7";d.plot.plugins=[];d.plot.formatDate=function(d,h,F){var q=function(d){d=""+d;return d.length==1?"0"+d:d},z=[],N=!1,K=!1,I=d.getUTCHours(),G=I<12;F==null&&(F=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]);h.search(/%p|%P/)!=-1&&(I>12?I-=12:I==0&&(I=12));for(var r=0;r<h.length;++r){var o=h.charAt(r);if(N){switch(o){case "h":o=""+I;
-break;case "H":o=q(I);break;case "M":o=q(d.getUTCMinutes());break;case "S":o=q(d.getUTCSeconds());break;case "d":o=""+d.getUTCDate();break;case "m":o=""+(d.getUTCMonth()+1);break;case "y":o=""+d.getUTCFullYear();break;case "b":o=""+F[d.getUTCMonth()];break;case "p":o=G?"am":"pm";break;case "P":o=G?"AM":"PM";break;case "0":o="",K=!0}o&&K&&(o=q(o),K=!1);z.push(o);K||(N=!1)}else o=="%"?N=!0:z.push(o)}return z.join("")}})(jQuery);
-// Input 3
-(function(d){d.plot.plugins.push({init:function(d){d.hooks.processDatapoints.push(function(d,h,C){if(h.stack!=null){for(var B,d=d.getData(),q=null,z=0;z<d.length;++z){if(h==d[z])break;d[z].stack==h.stack&&(q=d[z])}if(B=q){d=C.pointsize;q=C.points;z=B.datapoints.pointsize;B=B.datapoints.points;var N=[],K,I,G,r,o,A,V=h.lines.show;r=h.bars.horizontal;var Q=d>2&&(r?C.format[2].x:C.format[2].y),h=V&&h.lines.steps;G=!0;for(var R=r?1:0,S=r?0:1,x=0,X=0,L;;){if(x>=q.length)break;L=N.length;if(q[x]==null){for(m=
-0;m<d;++m)N.push(q[x+m]);x+=d}else if(X>=B.length){if(!V)for(m=0;m<d;++m)N.push(q[x+m]);x+=d}else if(B[X]==null){for(m=0;m<d;++m)N.push(null);G=!0;X+=z}else{K=q[x+R];I=q[x+S];r=B[X+R];o=B[X+S];A=0;if(K==r){for(m=0;m<d;++m)N.push(q[x+m]);N[L+S]+=o;A=o;x+=d;X+=z}else if(K>r){if(V&&x>0&&q[x-d]!=null){G=I+(q[x-d+S]-I)*(r-K)/(q[x-d+R]-K);N.push(r);N.push(G+o);for(m=2;m<d;++m)N.push(q[x+m]);A=o}X+=z}else{if(G&&V){x+=d;continue}for(m=0;m<d;++m)N.push(q[x+m]);V&&X>0&&B[X-z]!=null&&(A=o+(B[X-z+S]-o)*(K-r)/
-(B[X-z+R]-r));N[L+S]+=A;x+=d}G=!1;L!=N.length&&Q&&(N[L+2]+=A)}if(h&&L!=N.length&&L>0&&N[L]!=null&&N[L]!=N[L-d]&&N[L+1]!=N[L-d+1]){for(m=0;m<d;++m)N[L+d+m]=N[L+m];N[L+1]=N[L-d+1]}}C.points=N}}})},options:{series:{stack:null}},name:"stack",version:"1.2"})})(jQuery);
-// Input 4
-(function(d){d.plot.plugins.push({init:function(h){function F(d){G.active&&(z(d),h.getPlaceholder().trigger("plotselecting",[C()]))}function p(p){if(p.which==1){document.body.focus();if(document.onselectstart!==void 0&&r.onselectstart==null)r.onselectstart=document.onselectstart,document.onselectstart=function(){return!1};if(document.ondrag!==void 0&&r.ondrag==null)r.ondrag=document.ondrag,document.ondrag=function(){return!1};q(G.first,p);G.active=!0;o=function(d){o=null;if(document.onselectstart!==
-void 0)document.onselectstart=r.onselectstart;if(document.ondrag!==void 0)document.ondrag=r.ondrag;G.active=!1;z(d);I()?B():(h.getPlaceholder().trigger("plotunselected",[]),h.getPlaceholder().trigger("plotselecting",[null]))};d(document).one("mouseup",o)}}function C(){if(!I())return null;var o={},r=G.first,p=G.second;d.each(h.getAxes(),function(d,h){if(h.used){var q=h.c2p(r[h.direction]),z=h.c2p(p[h.direction]);o[d]={from:Math.min(q,z),to:Math.max(q,z)}}});return o}function B(){var d=C();h.getPlaceholder().trigger("plotselected",
-[d]);d.xaxis&&d.yaxis&&h.getPlaceholder().trigger("selected",[{x1:d.xaxis.from,y1:d.yaxis.from,x2:d.xaxis.to,y2:d.yaxis.to}])}function q(d,o){var r=h.getOptions(),p=h.getPlaceholder().offset(),q=h.getPlotOffset(),x=o.pageX-p.left-q.left,z=h.width();d.x=x<0?0:x>z?z:x;p=o.pageY-p.top-q.top;q=h.height();d.y=p<0?0:p>q?q:p;if(r.selection.mode=="y")d.x=d==G.first?0:h.width();if(r.selection.mode=="x")d.y=d==G.first?0:h.height()}function z(d){if(d.pageX!=null)q(G.second,d),I()?(G.show=!0,h.triggerRedrawOverlay()):
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-// Input 5
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-RRDDS.prototype.getMin=function(){return this.rrd_data.getDoubleAt(this.rrd_data_idx+48)};RRDDS.prototype.getMax=function(){return this.rrd_data.getDoubleAt(this.rrd_data_idx+56)};function RRDRRAInfo(d,h,F,p,C,B){this.rrd_data=d;this.rra_def_idx=h;this.rrd_align=F;this.row_cnt=p;this.pdp_step=C;this.my_idx=B}RRDRRAInfo.prototype.getIdx=function(){return this.my_idx};RRDRRAInfo.prototype.getNrRows=function(){return this.row_cnt};
+function InvalidRRD(a){this.message=a;this.name="Invalid RRD"}InvalidRRD.prototype.toString=function(){return this.name+': "'+this.message+'"'};function RRDDS(a,c,d){this.rrd_data=a;this.rrd_data_idx=c;this.my_idx=d}RRDDS.prototype.getIdx=function(){return this.my_idx};RRDDS.prototype.getName=function(){return this.rrd_data.getCStringAt(this.rrd_data_idx,20)};RRDDS.prototype.getType=function(){return this.rrd_data.getCStringAt(this.rrd_data_idx+20,20)};
+RRDDS.prototype.getMin=function(){return this.rrd_data.getDoubleAt(this.rrd_data_idx+48)};RRDDS.prototype.getMax=function(){return this.rrd_data.getDoubleAt(this.rrd_data_idx+56)};function RRDRRAInfo(a,c,d,b,f,g){this.rrd_data=a;this.rra_def_idx=c;this.rrd_align=d;this.row_cnt=b;this.pdp_step=f;this.my_idx=g}RRDRRAInfo.prototype.getIdx=function(){return this.my_idx};RRDRRAInfo.prototype.getNrRows=function(){return this.row_cnt};
 RRDRRAInfo.prototype.getPdpPerRow=function(){return this.rrd_align==32?this.rrd_data.getLongAt(this.rra_def_idx+24,20):this.rrd_data.getLongAt(this.rra_def_idx+32,20)};RRDRRAInfo.prototype.getStep=function(){return this.pdp_step*this.getPdpPerRow()};RRDRRAInfo.prototype.getCFName=function(){return this.rrd_data.getCStringAt(this.rra_def_idx,20)};
-function RRDRRA(d,h,F,p,C,B){this.rrd_data=d;this.rra_info=F;this.row_cnt=F.row_cnt;this.ds_cnt=B;var q=B*8;this.base_rrd_db_idx=p+C*q;this.cur_row=d.getLongAt(h);this.calc_idx=function(d,h){if(d>=0&&d<this.row_cnt)if(h>=0&&h<B){var p=d+this.cur_row+1;p>=this.row_cnt&&(p-=this.row_cnt);return q*p+h*8}else throw RangeError("DS idx ("+d+") out of range [0-"+B+").");else throw RangeError("Row idx ("+d+") out of range [0-"+this.row_cnt+").");}}RRDRRA.prototype.getIdx=function(){return this.rra_info.getIdx()};
-RRDRRA.prototype.getNrRows=function(){return this.row_cnt};RRDRRA.prototype.getNrDSs=function(){return this.ds_cnt};RRDRRA.prototype.getStep=function(){return this.rra_info.getStep()};RRDRRA.prototype.getCFName=function(){return this.rra_info.getCFName()};RRDRRA.prototype.getEl=function(d,h){return this.rrd_data.getDoubleAt(this.base_rrd_db_idx+this.calc_idx(d,h))};RRDRRA.prototype.getElFast=function(d,h){return this.rrd_data.getFastDoubleAt(this.base_rrd_db_idx+this.calc_idx(d,h))};
-function RRDHeader(d){this.rrd_data=d;this.validate_rrd();this.load_header();this.calc_idxs()}
+function RRDRRA(a,c,d,b,f,g){this.rrd_data=a;this.rra_info=d;this.row_cnt=d.row_cnt;this.ds_cnt=g;var h=g*8;this.base_rrd_db_idx=b+f*h;this.cur_row=a.getLongAt(c);this.calc_idx=function(a,b){if(a>=0&&a<this.row_cnt)if(b>=0&&b<g){var c=a+this.cur_row+1;c>=this.row_cnt&&(c-=this.row_cnt);return h*c+b*8}else throw RangeError("DS idx ("+a+") out of range [0-"+g+").");else throw RangeError("Row idx ("+a+") out of range [0-"+this.row_cnt+").");}}RRDRRA.prototype.getIdx=function(){return this.rra_info.getIdx()};
+RRDRRA.prototype.getNrRows=function(){return this.row_cnt};RRDRRA.prototype.getNrDSs=function(){return this.ds_cnt};RRDRRA.prototype.getStep=function(){return this.rra_info.getStep()};RRDRRA.prototype.getCFName=function(){return this.rra_info.getCFName()};RRDRRA.prototype.getEl=function(a,c){return this.rrd_data.getDoubleAt(this.base_rrd_db_idx+this.calc_idx(a,c))};RRDRRA.prototype.getElFast=function(a,c){return this.rrd_data.getFastDoubleAt(this.base_rrd_db_idx+this.calc_idx(a,c))};
+function RRDHeader(a){this.rrd_data=a;this.validate_rrd();this.load_header();this.calc_idxs()}
 RRDHeader.prototype.validate_rrd=function(){if(this.rrd_data.getCStringAt(0,4)!=="RRD")throw new InvalidRRD("Wrong magic id.");this.rrd_version=this.rrd_data.getCStringAt(4,5);if(this.rrd_version!=="0003"&&this.rrd_version!=="0004")throw new InvalidRRD("Unsupported RRD version "+this.rrd_version+".");if(this.rrd_data.getDoubleAt(12)==8.642135E130)this.rrd_align=32;else if(this.rrd_data.getDoubleAt(16)==8.642135E130)this.rrd_align=64;else throw new InvalidRRD("Unsupported platform.");};
 RRDHeader.prototype.load_header=function(){this.rrd_align==32?(this.ds_cnt=this.rrd_data.getLongAt(20,!1),this.rra_cnt=this.rrd_data.getLongAt(24,!1),this.pdp_step=this.rrd_data.getLongAt(28,!1),this.top_header_size=112):(this.ds_cnt=this.rrd_data.getLongAt(24,!1),this.rra_cnt=this.rrd_data.getLongAt(32,!1),this.pdp_step=this.rrd_data.getLongAt(40,!1),this.top_header_size=128)};
 RRDHeader.prototype.calc_idxs=function(){this.ds_def_idx=this.top_header_size;this.ds_el_size=120;this.rra_def_idx=this.ds_def_idx+this.ds_el_size*this.ds_cnt;this.rrd_align==32?(this.rra_def_el_size=108,this.row_cnt_idx=20):(this.rra_def_el_size=120,this.row_cnt_idx=24);this.live_head_idx=this.rra_def_idx+this.rra_def_el_size*this.rra_cnt;this.live_head_size=this.rrd_align==32?8:16;this.pdp_prep_idx=this.live_head_idx+this.live_head_size;this.pdp_prep_el_size=112;this.cdp_prep_idx=this.pdp_prep_idx+
 this.pdp_prep_el_size*this.ds_cnt;this.cdp_prep_el_size=80;this.rra_ptr_idx=this.cdp_prep_idx+this.cdp_prep_el_size*this.ds_cnt*this.rra_cnt;this.rra_ptr_el_size=this.rrd_align==32?4:8;this.header_size=this.rra_ptr_idx+this.rra_ptr_el_size*this.rra_cnt};
-RRDHeader.prototype.load_row_cnts=function(){this.rra_def_row_cnts=[];this.rra_def_row_cnt_sums=[];for(var d=0;d<this.rra_cnt;d++)this.rra_def_row_cnts[d]=this.rrd_data.getLongAt(this.rra_def_idx+d*this.rra_def_el_size+this.row_cnt_idx,!1),this.rra_def_row_cnt_sums[d]=d==0?0:this.rra_def_row_cnt_sums[d-1]+this.rra_def_row_cnts[d-1]};RRDHeader.prototype.getMinStep=function(){return this.pdp_step};RRDHeader.prototype.getLastUpdate=function(){return this.rrd_data.getLongAt(this.live_head_idx,!1)};
-RRDHeader.prototype.getNrDSs=function(){return this.ds_cnt};RRDHeader.prototype.getDSNames=function(){for(var d=[],h=0;h<this.ds_cnt;h++){var F=this.getDSbyIdx(h).getName();d.push(F)}return d};RRDHeader.prototype.getDSbyIdx=function(d){if(d>=0&&d<this.ds_cnt)return new RRDDS(this.rrd_data,this.ds_def_idx+this.ds_el_size*d,d);else throw RangeError("DS idx ("+d+") out of range [0-"+this.ds_cnt+").");};
-RRDHeader.prototype.getDSbyName=function(d){for(var h=0;h<this.ds_cnt;h++){var F=this.getDSbyIdx(h);if(F.getName()==d)return F}throw RangeError("DS name "+d+" unknown.");};RRDHeader.prototype.getNrRRAs=function(){return this.rra_cnt};
-RRDHeader.prototype.getRRAInfo=function(d){if(d>=0&&d<this.rra_cnt)return new RRDRRAInfo(this.rrd_data,this.rra_def_idx+d*this.rra_def_el_size,this.rrd_align,this.rra_def_row_cnts[d],this.pdp_step,d);else throw RangeError("RRA idx ("+d+") out of range [0-"+this.rra_cnt+").");};
-function RRDFile(d){this.rrd_header=new RRDHeader(d);this.rrd_header.load_row_cnts();this.getMinStep=function(){return this.rrd_header.getMinStep()};this.getLastUpdate=function(){return this.rrd_header.getLastUpdate()};this.getNrDSs=function(){return this.rrd_header.getNrDSs()};this.getDSNames=function(){return this.rrd_header.getDSNames()};this.getDS=function(d){return typeof d=="number"?this.rrd_header.getDSbyIdx(d):this.rrd_header.getDSbyName(d)};this.getNrRRAs=function(){return this.rrd_header.getNrRRAs()};
-this.getRRAInfo=function(d){return this.rrd_header.getRRAInfo(d)};this.getRRA=function(h){rra_info=this.rrd_header.getRRAInfo(h);return new RRDRRA(d,this.rrd_header.rra_ptr_idx+h*this.rrd_header.rra_ptr_el_size,rra_info,this.rrd_header.header_size,this.rrd_header.rra_def_row_cnt_sums[h],this.rrd_header.ds_cnt)}};
-// Input 6
+RRDHeader.prototype.load_row_cnts=function(){this.rra_def_row_cnts=[];this.rra_def_row_cnt_sums=[];for(var a=0;a<this.rra_cnt;a++)this.rra_def_row_cnts[a]=this.rrd_data.getLongAt(this.rra_def_idx+a*this.rra_def_el_size+this.row_cnt_idx,!1),this.rra_def_row_cnt_sums[a]=a==0?0:this.rra_def_row_cnt_sums[a-1]+this.rra_def_row_cnts[a-1]};RRDHeader.prototype.getMinStep=function(){return this.pdp_step};RRDHeader.prototype.getLastUpdate=function(){return this.rrd_data.getLongAt(this.live_head_idx,!1)};
+RRDHeader.prototype.getNrDSs=function(){return this.ds_cnt};RRDHeader.prototype.getDSNames=function(){for(var a=[],c=0;c<this.ds_cnt;c++){var d=this.getDSbyIdx(c).getName();a.push(d)}return a};RRDHeader.prototype.getDSbyIdx=function(a){if(a>=0&&a<this.ds_cnt)return new RRDDS(this.rrd_data,this.ds_def_idx+this.ds_el_size*a,a);else throw RangeError("DS idx ("+a+") out of range [0-"+this.ds_cnt+").");};
+RRDHeader.prototype.getDSbyName=function(a){for(var c=0;c<this.ds_cnt;c++){var d=this.getDSbyIdx(c);if(d.getName()==a)return d}throw RangeError("DS name "+a+" unknown.");};RRDHeader.prototype.getNrRRAs=function(){return this.rra_cnt};
+RRDHeader.prototype.getRRAInfo=function(a){if(a>=0&&a<this.rra_cnt)return new RRDRRAInfo(this.rrd_data,this.rra_def_idx+a*this.rra_def_el_size,this.rrd_align,this.rra_def_row_cnts[a],this.pdp_step,a);else throw RangeError("RRA idx ("+a+") out of range [0-"+this.rra_cnt+").");};
+function RRDFile(a){this.rrd_header=new RRDHeader(a);this.rrd_header.load_row_cnts();this.getMinStep=function(){return this.rrd_header.getMinStep()};this.getLastUpdate=function(){return this.rrd_header.getLastUpdate()};this.getNrDSs=function(){return this.rrd_header.getNrDSs()};this.getDSNames=function(){return this.rrd_header.getDSNames()};this.getDS=function(a){return typeof a=="number"?this.rrd_header.getDSbyIdx(a):this.rrd_header.getDSbyName(a)};this.getNrRRAs=function(){return this.rrd_header.getNrRRAs()};
+this.getRRAInfo=function(a){return this.rrd_header.getRRAInfo(a)};this.getRRA=function(c){rra_info=this.rrd_header.getRRAInfo(c);return new RRDRRA(a,this.rrd_header.rra_ptr_idx+c*this.rrd_header.rra_ptr_el_size,rra_info,this.rrd_header.header_size,this.rrd_header.rra_def_row_cnt_sums[c],this.rrd_header.ds_cnt)}};
+// Input 3
 /*
                                      
  jQuery Tools @VERSION Dateinput - <input type="date" /> for humans
@@ -332,23 +400,23 @@ this.getRRAInfo=function(d){return this.rrd_header.getRRAInfo(d)};this.getRRA=fu
  Since: Mar 2010
  Date: @DATE 
 */
-(function(d){function h(d,h){d=""+d;for(h=h||2;d.length<h;)d="0"+d;return d}function F(d,o,p){var q=d.getDate(),z=d.getDay(),C=d.getMonth(),d=d.getFullYear(),B={d:q,dd:h(q),ddd:K[p].shortDays[z],dddd:K[p].days[z],m:C+1,mm:h(C+1),mmm:K[p].shortMonths[C],mmmm:K[p].months[C],yy:String(d).slice(2),yyyy:d},o=o.replace(I,function(d){return d in B?B[d]:d.slice(1,d.length-1)});return G.html(o).html()}function p(d,h){return d.getFullYear()===h.getFullYear()&&d.getMonth()==h.getMonth()&&d.getDate()==h.getDate()}
-function C(d){if(d!==void 0){if(d.constructor==Date)return d;if(typeof d=="string"){var h=d.split("-");if(h.length==3)return new Date(parseInt(h[0],10),parseInt(h[1],10)-1,parseInt(h[2],10));if(!/^-?\d+$/.test(d))return;d=parseInt(d,10)}h=new Date;h.setDate(h.getDate()+d);return h}}function B(h,o){function A(b,e,o){Y=b;va=b.getFullYear();y=b.getMonth();T=b.getDate();o=o||d.Event("api");o.type="change";oa.trigger(o,[b]);o.isDefaultPrevented()||(h.val(F(b,e.format,e.lang)),h.data("date",b),B.hide(o))}
-function z(b){b.type="onShow";oa.trigger(b);d(document).bind("keydown.d",function(b){if(b.ctrlKey)return!0;var o=b.keyCode;if(o==8)return h.val(""),B.hide(b);if(o==27||o==9)return B.hide(b);if(d(N).index(o)>=0){if(!aa)return B.show(b),b.preventDefault();var p=d("#"+x.weeks+" a"),q=d("."+x.focus),n=p.index(q);q.removeClass(x.focus);if(o==74||o==40)n+=7;else if(o==75||o==38)n-=7;else if(o==76||o==39)n+=1;else if(o==72||o==37)n-=1;n>41?(B.addMonth(),q=d("#"+x.weeks+" a:eq("+(n-42)+")")):n<0?(B.addMonth(-1),
-q=d("#"+x.weeks+" a:eq("+(n+42)+")")):q=p.eq(n);q.addClass(x.focus);return b.preventDefault()}if(o==34)return B.addMonth();if(o==33)return B.addMonth(-1);if(o==36)return B.today();o==13&&(d(b.target).is("select")||d("."+x.focus).click());return d([16,17,18,9]).index(o)>=0});d(document).bind("click.d",function(b){var o=b.target;!d(o).parents("#"+x.root).length&&o!=h[0]&&(!O||o!=O[0])&&B.hide(b)})}var B=this,G=new Date,I=G.getFullYear(),x=o.css,X=K[o.lang],L=d("#"+x.root),fa=L.find("#"+x.title),O,ga,
-qa,va,y,T,Y=h.attr("data-value")||o.value||h.val(),b=h.attr("min")||o.min,$=h.attr("max")||o.max,aa,D;b===0&&(b="0");Y=C(Y)||G;b=C(b||new Date(I+o.yearRange[0],1,1));$=C($||new Date(I+o.yearRange[1]+1,1,-1));if(!X)throw"Dateinput: invalid language: "+o.lang;h.attr("type")=="date"&&(D=h.clone(),I=D.wrap("<div/>").parent().html(),I=d(I.replace(/type/i,"type=text data-orig-type")),I.val(o.value),h.replaceWith(I),h=I);h.addClass(x.input);var oa=h.add(B);if(!L.length){L=d("<div><div><a/><div/><a/></div><div><div/><div/></div></div>").hide().css({position:"absolute"}).attr("id",
-x.root);L.children().eq(0).attr("id",x.head).end().eq(1).attr("id",x.body).children().eq(0).attr("id",x.days).end().eq(1).attr("id",x.weeks).end().end().end().find("a").eq(0).attr("id",x.prev).end().eq(1).attr("id",x.next);fa=L.find("#"+x.head).find("div").attr("id",x.title);if(o.selectors){var ja=d("<select/>").attr("id",x.month),ba=d("<select/>").attr("id",x.year);fa.html(ja.add(ba))}for(var I=L.find("#"+x.days),ra=0;ra<7;ra++)I.append(d("<span/>").text(X.shortDays[(ra+o.firstDay)%7]));d("body").append(L)}o.trigger&&
-(O=d("<a/>").attr("href","#").addClass(x.trigger).click(function(b){B.show();return b.preventDefault()}).insertAfter(h));var wa=L.find("#"+x.weeks),ba=L.find("#"+x.year),ja=L.find("#"+x.month);d.extend(B,{show:function(b){if(!h.attr("readonly")&&!h.attr("disabled")&&!aa&&(b=b||d.Event(),b.type="onBeforeShow",oa.trigger(b),!b.isDefaultPrevented())){d.each(q,function(){this.hide()});aa=!0;ja.unbind("change").change(function(){B.setValue(ba.val(),d(this).val())});ba.unbind("change").change(function(){B.setValue(d(this).val(),
-ja.val())});ga=L.find("#"+x.prev).unbind("click").click(function(){ga.hasClass(x.disabled)||B.addMonth(-1);return!1});qa=L.find("#"+x.next).unbind("click").click(function(){qa.hasClass(x.disabled)||B.addMonth();return!1});B.setValue(Y);var e=h.offset();/iPad/i.test(navigator.userAgent)&&(e.top-=d(window).scrollTop());L.css({top:e.top+h.outerHeight({margins:!0})+o.offset[0],left:e.left+o.offset[1]});o.speed?L.show(o.speed,function(){z(b)}):(L.show(),z(b));return B}},setValue:function(h,e,q){var r=
-parseInt(e,10)>=-1?new Date(parseInt(h,10),parseInt(e,10),parseInt(q||1,10)):h||Y;r<b?r=b:r>$&&(r=$);typeof h=="string"&&(r=C(h));h=r.getFullYear();e=r.getMonth();q=r.getDate();e==-1?(e=11,h--):e==12&&(e=0,h++);if(!aa)return A(r,o),B;y=e;va=h;var q=(new Date(h,e,1-o.firstDay)).getDay(),z=32-(new Date(h,e,32)).getDate(),n=32-(new Date(h,e-1,32)).getDate(),F;if(o.selectors){ja.empty();d.each(X.months,function(e,n){b<new Date(h,e+1,-1)&&$>new Date(h,e,0)&&ja.append(d("<option/>").html(n).attr("value",
-e))});ba.empty();for(var r=G.getFullYear(),D=r+o.yearRange[0];D<r+o.yearRange[1];D++)b<=new Date(D+1,-1,1)&&$>new Date(D,0,0)&&ba.append(d("<option/>").text(D));ja.val(e);ba.val(h)}else fa.html(X.months[e]+" "+h);wa.empty();ga.add(qa).removeClass(x.disabled);for(var D=!q?-7:0,I,u;D<(!q?35:42);D++)I=d("<a/>"),D%7===0&&(F=d("<div/>").addClass(x.week),wa.append(F)),D<q?(I.addClass(x.off),u=n-q+D+1,r=new Date(h,e-1,u)):D>=q+z?(I.addClass(x.off),u=D-z-q+1,r=new Date(h,e+1,u)):(u=D-q+1,r=new Date(h,e,u),
-p(Y,r)?I.attr("id",x.current).addClass(x.focus):p(G,r)&&I.attr("id",x.today)),b&&r<b&&I.add(ga).addClass(x.disabled),$&&r>$&&I.add(qa).addClass(x.disabled),I.attr("href","#"+u).text(u).data("date",r),F.append(I);wa.find("a").click(function(b){var e=d(this);e.hasClass(x.disabled)||(d("#"+x.current).removeAttr("id"),e.attr("id",x.current),A(e.data("date"),o,b));return!1});x.sunday&&wa.find(x.week).each(function(){var b=o.firstDay?7-o.firstDay:0;d(this).children().slice(b,b+1).addClass(x.sunday)});return B},
-setMin:function(d,e){b=C(d);e&&Y<b&&B.setValue(b);return B},setMax:function(b,d){$=C(b);d&&Y>$&&B.setValue($);return B},today:function(){return B.setValue(G)},addDay:function(b){return this.setValue(va,y,T+(b||1))},addMonth:function(b){return this.setValue(va,y+(b||1),T)},addYear:function(b){return this.setValue(va+(b||1),y,T)},destroy:function(){h.add(document).unbind("click.d").unbind("keydown.d");L.add(O).remove();h.removeData("dateinput").removeClass(x.input);D&&h.replaceWith(D)},hide:function(b){if(aa){b=
-d.Event();b.type="onHide";oa.trigger(b);d(document).unbind("click.d").unbind("keydown.d");if(b.isDefaultPrevented())return;L.hide();aa=!1}return B},getConf:function(){return o},getInput:function(){return h},getCalendar:function(){return L},getValue:function(b){return b?F(Y,b,o.lang):Y},isOpen:function(){return aa}});d.each(["onBeforeShow","onShow","change","onHide"],function(b,e){d.isFunction(o[e])&&d(B).bind(e,o[e]);B[e]=function(b){b&&d(B).bind(e,b);return B}});o.editable||h.bind("focus.d click.d",
-B.show).keydown(function(b){var e=b.keyCode;if(!aa&&d(N).index(e)>=0)return B.show(b),b.preventDefault();return b.shiftKey||b.ctrlKey||b.altKey||e==9?!0:b.preventDefault()});C(h.val())&&A(Y,o)}d.tools=d.tools||{version:"@VERSION"};var q=[],z,N=[75,76,38,39,74,72,40,37],K={};z=d.tools.dateinput={conf:{format:"mm/dd/yy",selectors:!1,yearRange:[-5,5],lang:"en",offset:[0,0],speed:0,firstDay:0,min:void 0,max:void 0,trigger:0,editable:0,css:{prefix:"cal",input:"date",root:0,head:0,title:0,prev:0,next:0,
-month:0,year:0,days:0,body:0,weeks:0,today:0,current:0,week:0,off:0,sunday:0,focus:0,disabled:0,trigger:0}},localize:function(h,o){d.each(o,function(d,h){o[d]=h.split(",")});K[h]=o}};z.localize("en",{months:"January,February,March,April,May,June,July,August,September,October,November,December",shortMonths:"Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec",days:"Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday",shortDays:"Sun,Mon,Tue,Wed,Thu,Fri,Sat"});var I=/d{1,4}|m{1,4}|yy(?:yy)?|"[^"]*"|'[^']*'/g,
-G=d("<a/>");d.expr[":"].date=function(h){var o=h.getAttribute("type");return o&&o=="date"||!!d(h).data("dateinput")};d.fn.dateinput=function(h){if(this.data("dateinput"))return this;h=d.extend(!0,{},z.conf,h);d.each(h.css,function(d,o){!o&&d!="prefix"&&(h.css[d]=(h.css.prefix||"")+(o||d))});var o;this.each(function(){var p=new B(d(this),h);q.push(p);p=p.getInput().data("dateinput",p);o=o?o.add(p):p});return o?o:this}})(jQuery);
-// Input 7
+(function(a){function c(a,b){a=""+a;for(b=b||2;a.length<b;)a="0"+a;return a}function d(a,b,d){var f=a.getDate(),g=a.getDay(),h=a.getMonth(),a=a.getFullYear(),j={d:f,dd:c(f),ddd:n[d].shortDays[g],dddd:n[d].days[g],m:h+1,mm:c(h+1),mmm:n[d].shortMonths[h],mmmm:n[d].months[h],yy:String(a).slice(2),yyyy:a},b=b.replace(q,function(a){return a in j?j[a]:a.slice(1,a.length-1)});return p.html(b).html()}function b(a,b){return a.getFullYear()===b.getFullYear()&&a.getMonth()==b.getMonth()&&a.getDate()==b.getDate()}
+function f(a){if(a!==void 0){if(a.constructor==Date)return a;if(typeof a=="string"){var b=a.split("-");if(b.length==3)return new Date(parseInt(b[0],10),parseInt(b[1],10)-1,parseInt(b[2],10));if(!/^-?\d+$/.test(a))return;a=parseInt(a,10)}b=new Date;b.setDate(b.getDate()+a);return b}}function g(c,g){function j(b,f,e){G=b;S=b.getFullYear();r=b.getMonth();ea=b.getDate();e=e||a.Event("api");e.type="change";Z.trigger(e,[b]);e.isDefaultPrevented()||(c.val(d(b,f.format,f.lang)),c.data("date",b),p.hide(e))}
+function q(b){b.type="onShow";Z.trigger(b);a(document).bind("keydown.d",function(b){if(b.ctrlKey)return!0;var d=b.keyCode;if(d==8)return c.val(""),p.hide(b);if(d==27||d==9)return p.hide(b);if(a(m).index(d)>=0){if(!L)return p.show(b),b.preventDefault();var f=a("#"+s.weeks+" a"),e=a("."+s.focus),g=f.index(e);e.removeClass(s.focus);if(d==74||d==40)g+=7;else if(d==75||d==38)g-=7;else if(d==76||d==39)g+=1;else if(d==72||d==37)g-=1;g>41?(p.addMonth(),e=a("#"+s.weeks+" a:eq("+(g-42)+")")):g<0?(p.addMonth(-1),
+e=a("#"+s.weeks+" a:eq("+(g+42)+")")):e=f.eq(g);e.addClass(s.focus);return b.preventDefault()}if(d==34)return p.addMonth();if(d==33)return p.addMonth(-1);if(d==36)return p.today();d==13&&(a(b.target).is("select")||a("."+s.focus).click());return a([16,17,18,9]).index(d)>=0});a(document).bind("click.d",function(b){var d=b.target;!a(d).parents("#"+s.root).length&&d!=c[0]&&(!ca||d!=ca[0])&&p.hide(b)})}var p=this,z=new Date,D=z.getFullYear(),s=g.css,T=n[g.lang],B=a("#"+s.root),ba=B.find("#"+s.title),ca,
+I,U,S,r,ea,G=c.attr("data-value")||g.value||c.val(),e=c.attr("min")||g.min,N=c.attr("max")||g.max,L,$;e===0&&(e="0");G=f(G)||z;e=f(e||new Date(D+g.yearRange[0],1,1));N=f(N||new Date(D+g.yearRange[1]+1,1,-1));if(!T)throw"Dateinput: invalid language: "+g.lang;c.attr("type")=="date"&&($=c.clone(),D=$.wrap("<div/>").parent().html(),D=a(D.replace(/type/i,"type=text data-orig-type")),D.val(g.value),c.replaceWith(D),c=D);c.addClass(s.input);var Z=c.add(p);if(!B.length){B=a("<div><div><a/><div/><a/></div><div><div/><div/></div></div>").hide().css({position:"absolute"}).attr("id",
+s.root);B.children().eq(0).attr("id",s.head).end().eq(1).attr("id",s.body).children().eq(0).attr("id",s.days).end().eq(1).attr("id",s.weeks).end().end().end().find("a").eq(0).attr("id",s.prev).end().eq(1).attr("id",s.next);ba=B.find("#"+s.head).find("div").attr("id",s.title);if(g.selectors){var R=a("<select/>").attr("id",s.month),M=a("<select/>").attr("id",s.year);ba.html(R.add(M))}for(var D=B.find("#"+s.days),la=0;la<7;la++)D.append(a("<span/>").text(T.shortDays[(la+g.firstDay)%7]));a("body").append(B)}g.trigger&&
+(ca=a("<a/>").attr("href","#").addClass(s.trigger).click(function(a){p.show();return a.preventDefault()}).insertAfter(c));var ga=B.find("#"+s.weeks),M=B.find("#"+s.year),R=B.find("#"+s.month);a.extend(p,{show:function(b){if(!c.attr("readonly")&&!c.attr("disabled")&&!L&&(b=b||a.Event(),b.type="onBeforeShow",Z.trigger(b),!b.isDefaultPrevented())){a.each(h,function(){this.hide()});L=!0;R.unbind("change").change(function(){p.setValue(M.val(),a(this).val())});M.unbind("change").change(function(){p.setValue(a(this).val(),
+R.val())});I=B.find("#"+s.prev).unbind("click").click(function(){I.hasClass(s.disabled)||p.addMonth(-1);return!1});U=B.find("#"+s.next).unbind("click").click(function(){U.hasClass(s.disabled)||p.addMonth();return!1});p.setValue(G);var d=c.offset();/iPad/i.test(navigator.userAgent)&&(d.top-=a(window).scrollTop());B.css({top:d.top+c.outerHeight({margins:!0})+g.offset[0],left:d.left+g.offset[1]});g.speed?B.show(g.speed,function(){q(b)}):(B.show(),q(b));return p}},setValue:function(c,d,h){var l=parseInt(d,
+10)>=-1?new Date(parseInt(c,10),parseInt(d,10),parseInt(h||1,10)):c||G;l<e?l=e:l>N&&(l=N);typeof c=="string"&&(l=f(c));c=l.getFullYear();d=l.getMonth();h=l.getDate();d==-1?(d=11,c--):d==12&&(d=0,c++);if(!L)return j(l,g),p;r=d;S=c;var h=(new Date(c,d,1-g.firstDay)).getDay(),m=32-(new Date(c,d,32)).getDate(),n=32-(new Date(c,d-1,32)).getDate(),q;if(g.selectors){R.empty();a.each(T.months,function(b,d){e<new Date(c,b+1,-1)&&N>new Date(c,b,0)&&R.append(a("<option/>").html(d).attr("value",b))});M.empty();
+for(var l=z.getFullYear(),w=l+g.yearRange[0];w<l+g.yearRange[1];w++)e<=new Date(w+1,-1,1)&&N>new Date(w,0,0)&&M.append(a("<option/>").text(w));R.val(d);M.val(c)}else ba.html(T.months[d]+" "+c);ga.empty();I.add(U).removeClass(s.disabled);for(var w=!h?-7:0,B,D;w<(!h?35:42);w++)B=a("<a/>"),w%7===0&&(q=a("<div/>").addClass(s.week),ga.append(q)),w<h?(B.addClass(s.off),D=n-h+w+1,l=new Date(c,d-1,D)):w>=h+m?(B.addClass(s.off),D=w-m-h+1,l=new Date(c,d+1,D)):(D=w-h+1,l=new Date(c,d,D),b(G,l)?B.attr("id",s.current).addClass(s.focus):
+b(z,l)&&B.attr("id",s.today)),e&&l<e&&B.add(I).addClass(s.disabled),N&&l>N&&B.add(U).addClass(s.disabled),B.attr("href","#"+D).text(D).data("date",l),q.append(B);ga.find("a").click(function(b){var c=a(this);c.hasClass(s.disabled)||(a("#"+s.current).removeAttr("id"),c.attr("id",s.current),j(c.data("date"),g,b));return!1});s.sunday&&ga.find(s.week).each(function(){var b=g.firstDay?7-g.firstDay:0;a(this).children().slice(b,b+1).addClass(s.sunday)});return p},setMin:function(a,b){e=f(a);b&&G<e&&p.setValue(e);
+return p},setMax:function(a,b){N=f(a);b&&G>N&&p.setValue(N);return p},today:function(){return p.setValue(z)},addDay:function(a){return this.setValue(S,r,ea+(a||1))},addMonth:function(a){return this.setValue(S,r+(a||1),ea)},addYear:function(a){return this.setValue(S+(a||1),r,ea)},destroy:function(){c.add(document).unbind("click.d").unbind("keydown.d");B.add(ca).remove();c.removeData("dateinput").removeClass(s.input);$&&c.replaceWith($)},hide:function(b){if(L){b=a.Event();b.type="onHide";Z.trigger(b);
+a(document).unbind("click.d").unbind("keydown.d");if(b.isDefaultPrevented())return;B.hide();L=!1}return p},getConf:function(){return g},getInput:function(){return c},getCalendar:function(){return B},getValue:function(a){return a?d(G,a,g.lang):G},isOpen:function(){return L}});a.each(["onBeforeShow","onShow","change","onHide"],function(b,c){a.isFunction(g[c])&&a(p).bind(c,g[c]);p[c]=function(b){b&&a(p).bind(c,b);return p}});g.editable||c.bind("focus.d click.d",p.show).keydown(function(b){var c=b.keyCode;
+return!L&&a(m).index(c)>=0?(p.show(b),b.preventDefault()):b.shiftKey||b.ctrlKey||b.altKey||c==9?!0:b.preventDefault()});f(c.val())&&j(G,g)}a.tools=a.tools||{version:"@VERSION"};var h=[],j,m=[75,76,38,39,74,72,40,37],n={};j=a.tools.dateinput={conf:{format:"mm/dd/yy",selectors:!1,yearRange:[-5,5],lang:"en",offset:[0,0],speed:0,firstDay:0,min:void 0,max:void 0,trigger:0,editable:0,css:{prefix:"cal",input:"date",root:0,head:0,title:0,prev:0,next:0,month:0,year:0,days:0,body:0,weeks:0,today:0,current:0,
+week:0,off:0,sunday:0,focus:0,disabled:0,trigger:0}},localize:function(b,c){a.each(c,function(a,b){c[a]=b.split(",")});n[b]=c}};j.localize("en",{months:"January,February,March,April,May,June,July,August,September,October,November,December",shortMonths:"Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec",days:"Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday",shortDays:"Sun,Mon,Tue,Wed,Thu,Fri,Sat"});var q=/d{1,4}|m{1,4}|yy(?:yy)?|"[^"]*"|'[^']*'/g,p=a("<a/>");a.expr[":"].date=function(b){var c=
+b.getAttribute("type");return c&&c=="date"||!!a(b).data("dateinput")};a.fn.dateinput=function(b){if(this.data("dateinput"))return this;b=a.extend(!0,{},j.conf,b);a.each(b.css,function(a,c){!c&&a!="prefix"&&(b.css[a]=(b.css.prefix||"")+(c||a))});var c;this.each(function(){var d=new g(a(this),b);h.push(d);d=d.getInput().data("dateinput",d);c=c?c.add(d):d});return c?c:this}})(jQuery);
+// Input 4
 /*
  
  jQuery Tools @VERSION Tabs- The basics of UI design.
@@ -360,9 +428,9 @@ G=d("<a/>");d.expr[":"].date=function(h){var o=h.getAttribute("type");return o&&
  Since: November 2008
  Date: @DATE 
 */
-(function(d){function h(h,p,q){var z=this,N=h.add(this),K=h.find(q.tabs),I=p.jquery?p:h.children(p),G;K.length||(K=h.children());I.length||(I=h.parent().find(p));I.length||(I=d(p));d.extend(this,{click:function(h,o){var p=K.eq(h);typeof h=="string"&&h.replace("#","")&&(p=K.filter("[href*="+h.replace("#","")+"]"),h=Math.max(K.index(p),0));if(q.rotate){var B=K.length-1;if(h<0)return z.click(B,o);if(h>B)return z.click(0,o)}if(!p.length){if(G>=0)return z;h=q.initialIndex;p=K.eq(h)}if(h===G)return z;o=
-o||d.Event();o.type="onBeforeClick";N.trigger(o,[h]);if(!o.isDefaultPrevented())return G=h,F[q.effect].call(z,h,function(){o.type="onClick";N.trigger(o,[h])}),K.removeClass(q.current),p.addClass(q.current),z},getConf:function(){return q},getTabs:function(){return K},getPanes:function(){return I},getCurrentPane:function(){return I.eq(G)},getCurrentTab:function(){return K.eq(G)},getIndex:function(){return G},next:function(){return z.click(G+1)},prev:function(){return z.click(G-1)},destroy:function(){K.unbind(q.event).removeClass(q.current);
-I.find("a[href^=#]").unbind("click.T");return z}});d.each("onBeforeClick,onClick".split(","),function(h,o){d.isFunction(q[o])&&d(z).bind(o,q[o]);z[o]=function(h){h&&d(z).bind(o,h);return z}});if(q.history&&d.fn.history)d.tools.history.init(K),q.event="history";K.each(function(h){d(this).bind(q.event,function(d){z.click(h,d);return d.preventDefault()})});I.find("a[href^=#]").bind("click.T",function(h){z.click(d(this).attr("href"),h)});location.hash&&q.tabs=="a"&&h.find("[href="+location.hash+"]").length?
-z.click(location.hash):(q.initialIndex===0||q.initialIndex>0)&&z.click(q.initialIndex)}d.tools=d.tools||{version:"@VERSION"};d.tools.tabs={conf:{tabs:"a",current:"current",onBeforeClick:null,onClick:null,effect:"default",initialIndex:0,event:"click",rotate:!1,history:!1},addEffect:function(d,h){F[d]=h}};var F={"default":function(d,h){this.getPanes().hide().eq(d).show();h.call()},fade:function(d,h){var p=this.getConf(),z=p.fadeOutSpeed,F=this.getPanes();z?F.fadeOut(z):F.hide();F.eq(d).fadeIn(p.fadeInSpeed,
-h)},slide:function(d,h){this.getPanes().slideUp(200);this.getPanes().eq(d).slideDown(400,h)},ajax:function(d,h){this.getPanes().eq(0).load(this.getTabs().eq(d).attr("href"),h)}},p;d.tools.tabs.addEffect("horizontal",function(h,B){p||(p=this.getPanes().eq(0).width());this.getCurrentPane().animate({width:0},function(){d(this).hide()});this.getPanes().eq(h).animate({width:p},function(){d(this).show();B.call()})});d.fn.tabs=function(p,B){var q=this.data("tabs");q&&(q.destroy(),this.removeData("tabs"));
-d.isFunction(B)&&(B={onBeforeClick:B});B=d.extend({},d.tools.tabs.conf,B);this.each(function(){q=new h(d(this),p,B);d(this).data("tabs",q)});return B.api?q:this}})(jQuery);
+(function(a){function c(b,c,h){var j=this,m=b.add(this),n=b.find(h.tabs),q=c.jquery?c:b.children(c),p;n.length||(n=b.children());q.length||(q=b.parent().find(c));q.length||(q=a(c));a.extend(this,{click:function(b,c){var f=n.eq(b);typeof b=="string"&&b.replace("#","")&&(f=n.filter("[href*="+b.replace("#","")+"]"),b=Math.max(n.index(f),0));if(h.rotate){var g=n.length-1;if(b<0)return j.click(g,c);if(b>g)return j.click(0,c)}if(!f.length){if(p>=0)return j;b=h.initialIndex;f=n.eq(b)}if(b===p)return j;c=
+c||a.Event();c.type="onBeforeClick";m.trigger(c,[b]);if(!c.isDefaultPrevented())return p=b,d[h.effect].call(j,b,function(){c.type="onClick";m.trigger(c,[b])}),n.removeClass(h.current),f.addClass(h.current),j},getConf:function(){return h},getTabs:function(){return n},getPanes:function(){return q},getCurrentPane:function(){return q.eq(p)},getCurrentTab:function(){return n.eq(p)},getIndex:function(){return p},next:function(){return j.click(p+1)},prev:function(){return j.click(p-1)},destroy:function(){n.unbind(h.event).removeClass(h.current);
+q.find("a[href^=#]").unbind("click.T");return j}});a.each("onBeforeClick,onClick".split(","),function(b,c){a.isFunction(h[c])&&a(j).bind(c,h[c]);j[c]=function(b){b&&a(j).bind(c,b);return j}});if(h.history&&a.fn.history)a.tools.history.init(n),h.event="history";n.each(function(b){a(this).bind(h.event,function(a){j.click(b,a);return a.preventDefault()})});q.find("a[href^=#]").bind("click.T",function(b){j.click(a(this).attr("href"),b)});location.hash&&h.tabs=="a"&&b.find("[href="+location.hash+"]").length?
+j.click(location.hash):(h.initialIndex===0||h.initialIndex>0)&&j.click(h.initialIndex)}a.tools=a.tools||{version:"@VERSION"};a.tools.tabs={conf:{tabs:"a",current:"current",onBeforeClick:null,onClick:null,effect:"default",initialIndex:0,event:"click",rotate:!1,history:!1},addEffect:function(a,b){d[a]=b}};var d={"default":function(a,b){this.getPanes().hide().eq(a).show();b.call()},fade:function(a,b){var c=this.getConf(),d=c.fadeOutSpeed,m=this.getPanes();d?m.fadeOut(d):m.hide();m.eq(a).fadeIn(c.fadeInSpeed,
+b)},slide:function(a,b){this.getPanes().slideUp(200);this.getPanes().eq(a).slideDown(400,b)},ajax:function(a,b){this.getPanes().eq(0).load(this.getTabs().eq(a).attr("href"),b)}},b;a.tools.tabs.addEffect("horizontal",function(c,d){b||(b=this.getPanes().eq(0).width());this.getCurrentPane().animate({width:0},function(){a(this).hide()});this.getPanes().eq(c).animate({width:b},function(){a(this).show();d.call()})});a.fn.tabs=function(b,d){var h=this.data("tabs");h&&(h.destroy(),this.removeData("tabs"));
+a.isFunction(d)&&(d={onBeforeClick:d});d=a.extend({},a.tools.tabs.conf,d);this.each(function(){h=new c(a(this),b,d);a(this).data("tabs",h)});return d.api?h:this}})(jQuery);
diff --git a/docs/examples/assets/js/jsrrdgraph.js b/docs/examples/assets/js/jsrrdgraph.js
deleted file mode 100644
index d296ec6..0000000
--- a/docs/examples/assets/js/jsrrdgraph.js
+++ /dev/null
@@ -1,4937 +0,0 @@
-/**
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
-
- * RRDtool 1.4.5  Copyright by Tobi Oetiker, 1997-2010
- *
- * Convert to javascript: Manuel Sanmartin <manuel.luis at gmail.com>
- **/
-
-"use strict";
-
-var RRDTime = function() {
-  this.parser.apply(this, arguments);
-};
-
-RRDTime.EOF = -1;
-RRDTime.MIDNIGHT = 0;
-RRDTime.NOON = 1;
-RRDTime.TEATIME = 2;
-RRDTime.PM = 3;
-RRDTime.AM = 4;
-RRDTime.YESTERDAY = 5;
-RRDTime.TODAY = 6;
-RRDTime.TOMORROW = 7;
-RRDTime.NOW = 8;
-RRDTime.START = 9;
-RRDTime.END = 10;
-RRDTime.EPOCH = 11;
-RRDTime.SECONDS = 12;
-RRDTime.MINUTES = 13;
-RRDTime.HOURS = 14;
-RRDTime.DAYS = 15;
-RRDTime.WEEKS = 16;
-RRDTime.MONTHS = 17;
-RRDTime.YEARS = 18;
-RRDTime.MONTHS_MINUTES = 19;
-RRDTime.NUMBER = 20;
-RRDTime.PLUS = 21;
-RRDTime.MINUS = 22;
-RRDTime.DOT = 23;
-RRDTime.COLON = 24;
-RRDTime.SLASH = 25;
-RRDTime.ID = 26;
-RRDTime.JUNK = 27;
-RRDTime.JAN = 28;
-RRDTime.FEB = 29;
-RRDTime.MAR = 30;
-RRDTime.APR = 31;
-RRDTime.MAY = 32;
-RRDTime.JUN = 33;
-RRDTime.JUL = 34;
-RRDTime.AUG = 35;
-RRDTime.SEP = 36;
-RRDTime.OCT = 37;
-RRDTime.NOV = 38;
-RRDTime.DEC = 39;
-RRDTime.SUN = 40;
-RRDTime.MON = 41;
-RRDTime.TUE = 42;
-RRDTime.WED = 43;
-RRDTime.THU = 44;
-RRDTime.FRI = 45;
-RRDTime.SAT = 46;
-
-RRDTime.variousWords = [
-    {name: "midnight", value: RRDTime.MIDNIGHT}, /* 00:00:00 of today or tomorrow */
-    {name: "noon", value: RRDTime.NOON},     /* 12:00:00 of today or tomorrow */
-    {name: "teatime", value: RRDTime.TEATIME},   /* 16:00:00 of today or tomorrow */
-    {name: "am", value: RRDTime.AM},         /* morning times for 0-12 clock */
-    {name: "pm", value: RRDTime.PM},         /* evening times for 0-12 clock */
-    {name: "tomorrow", value: RRDTime.TOMORROW},
-    {name: "yesterday", value: RRDTime.YESTERDAY},
-    {name: "today", value: RRDTime.TODAY},
-    {name: "now", value: RRDTime.NOW},
-    {name: "n", value: RRDTime.NOW},
-    {name: "start", value: RRDTime.START},
-    {name: "s", value: RRDTime.START},
-    {name: "end", value: RRDTime.END},
-    {name: "e", value: RRDTime.END},
-    {name: "epoch", value: RRDTime.EPOCH},
-    {name: "jan", value: RRDTime.JAN},
-    {name: "feb", value: RRDTime.FEB},
-    {name: "mar", value: RRDTime.MAR},
-    {name: "apr", value: RRDTime.APR},
-    {name: "may", value: RRDTime.MAY},
-    {name: "jun", value: RRDTime.JUN},
-    {name: "jul", value: RRDTime.JUL},
-    {name: "aug", value: RRDTime.AUG},
-    {name: "sep", value: RRDTime.SEP},
-    {name: "oct", value: RRDTime.OCT},
-    {name: "nov", value: RRDTime.NOV},
-    {name: "dec", value: RRDTime.DEC},
-    {name: "january", value: RRDTime.JAN},
-    {name: "february", value: RRDTime.FEB},
-    {name: "march", value: RRDTime.MAR},
-    {name: "april", value: RRDTime.APR},
-    {name: "may", value: RRDTime.MAY},
-    {name: "june", value: RRDTime.JUN},
-    {name: "july", value: RRDTime.JUL},
-    {name: "august", value: RRDTime.AUG},
-    {name: "september", value: RRDTime.SEP},
-    {name: "october", value: RRDTime.OCT},
-    {name: "november", value: RRDTime.NOV},
-    {name: "december", value: RRDTime.DEC},
-    {name: "sunday", value: RRDTime.SUN},
-    {name: "sun", value: RRDTime.SUN},
-    {name: "monday", value: RRDTime.MON},
-    {name: "mon", value: RRDTime.MON},
-    {name: "tuesday", value: RRDTime.TUE},
-    {name: "tue", value: RRDTime.TUE},
-    {name: "wednesday", value: RRDTime.WED},
-    {name: "wed", value: RRDTime.WED},
-    {name: "thursday", value: RRDTime.THU},
-    {name: "thu", value: RRDTime.THU},
-    {name: "friday", value: RRDTime.FRI},
-    {name: "fri", value: RRDTime.FRI},
-    {name: "saturday", value: RRDTime.SAT},
-    {name: "sat", value: RRDTime.SAT}
-];
-
-RRDTime.timeMultipliers = [
-    {name: "second", value: RRDTime.SECONDS},    /* seconds multiplier */
-    {name: "seconds", value: RRDTime.SECONDS},   /* (pluralized) */
-    {name: "sec", value: RRDTime.SECONDS},   /* (generic) */
-    {name: "s", value: RRDTime.SECONDS},     /* (short generic) */
-    {name: "minute", value: RRDTime.MINUTES},    /* minutes multiplier */
-    {name: "minutes", value: RRDTime.MINUTES},   /* (pluralized) */
-    {name: "min", value: RRDTime.MINUTES},   /* (generic) */
-    {name: "m", value: RRDTime.MONTHS_MINUTES},  /* (short generic) */
-    {name: "hour", value: RRDTime.HOURS},    /* hours ... */
-    {name: "hours", value: RRDTime.HOURS},   /* (pluralized) */
-    {name: "hr", value: RRDTime.HOURS},      /* (generic) */
-    {name: "h", value: RRDTime.HOURS},       /* (short generic) */
-    {name: "day", value: RRDTime.DAYS},      /* days ... */
-    {name: "days", value: RRDTime.DAYS},     /* (pluralized) */
-    {name: "d", value: RRDTime.DAYS},        /* (short generic) */
-    {name: "week", value: RRDTime.WEEKS},    /* week ... */
-    {name: "weeks", value: RRDTime.WEEKS},   /* (pluralized) */
-    {name: "wk", value: RRDTime.WEEKS},      /* (generic) */
-    {name: "w", value: RRDTime.WEEKS},       /* (short generic) */
-    {name: "month", value: RRDTime.MONTHS},  /* week ... */
-    {name: "months", value: RRDTime.MONTHS}, /* (pluralized) */
-    {name: "mon", value: RRDTime.MONTHS},    /* (generic) */
-    {name: "year", value: RRDTime.YEARS},    /* year ... */
-    {name: "years", value: RRDTime.YEARS},   /* (pluralized) */
-    {name: "yr", value: RRDTime.YEARS},      /* (generic) */
-    {name: "y", value: RRDTime.YEARS}       /* (short generic) */
-];
-
-RRDTime.ABSOLUTE_TIME = 0;
-RRDTime.RELATIVE_TO_START_TIME = 1;
-RRDTime.RELATIVE_TO_END_TIME = 2;
-RRDTime.RELATIVE_TO_EPOCH = 3;
-
-RRDTime.prototype = {
-    tokens: null,
-    toklen: 0,
-    tokidx: 0,
-
-    token: null,
-    tokid: 0,
-
-    type: 0,
-    offset: 0,
-    tm_sec: 0,
-    tm_min: 0,
-    tm_hour: 0,
-    tm_mday: 0,
-    tm_mon: 0,
-    tm_year: 0,
-    tm_wday: 0,
-
-    specials: null,
-
-    gettok: function ()
-    {
-        if (this.tokidx >= this.toklen) {
-            this.tokid = RRDTime.EOF;
-        } else {
-            this.token = this.tokens[this.tokidx];
-            this.tokidx++;
-            if (!isNaN(this.token)) {
-                this.tokid = RRDTime.NUMBER;
-                this.token = parseInt(this.token, 10);
-            } else if (this.token === ':') {
-                this.tokid = RRDTime.COLON;
-            } else if (this.token === '.') {
-                this.tokid = RRDTime.DOT;
-            } else if (this.token === '+') {
-                this.tokid = RRDTime.PLUS;
-            } else if (this.token === '/') {
-                this.tokid = RRDTime.SLASH;
-            } else if (this.token === '-') {
-                this.tokid = RRDTime.MINUS;
-            } else {
-                this.tokid = RRDTime.ID;
-            for (var i = 0, len = this.specials.length; i < len; i++) {
-            if (this.specials[i].name === this.token) {
-              this.tokid = this.specials[i].value;
-                        break;
-                    }
-                }
-            }
-        }
-        return this.tokid;
-    },
-    plus_minus: function (doop)
-    {
-    var op = RRDTime.PLUS;
-    var prev_multiplier = -1;
-    var delta;
-
-    if (doop >= 0) {
-            op = doop;
-            if (this.gettok() != RRDTime.NUMBER)
-                throw "There should be number after '"+(op == RRDTime.PLUS ? '+' : '-')+"'";
-            prev_multiplier = -1;   /* reset months-minutes guessing mechanics */
-        }
-    /* if doop is < 0 then we repeat the previous op with the prefetched number */
-    delta = this.token;
-    if (this.gettok() == RRDTime.MONTHS_MINUTES) {
-            /* hard job to guess what does that -5m means: -5mon or -5min? */
-            switch (prev_multiplier) {
-                case RRDTime.DAYS:
-                case RRDTime.WEEKS:
-                case RRDTime.MONTHS:
-                case RRDTime.YEARS:
-                    this.tokid = RRDTime.MONTHS;
-                    break;
-                case RRDTime.SECONDS:
-        case RRDTime.MINUTES:
-        case RRDTime.HOURS:
-          this.tokid = RRDTime.MINUTES;
-          break;
-        default:
-                    if (delta < 6)  /* it may be some other value but in the context of RRD who needs less than 6 min deltas? */
-                        this.tokid = RRDTime.MONTHS;
-                    else
-                        this.tokid = RRDTime.MINUTES;
-      }
-        }
-        prev_multiplier = this.tokid;
-    switch (this.tokid) {
-        case RRDTime.YEARS:
-        this.tm_year += ( op == RRDTime.PLUS) ? delta : -delta;
-        return;
-        case RRDTime.MONTHS:
-        this.tm_mon += ( op == RRDTime.PLUS) ? delta : -delta;
-        return;
-      case RRDTime.WEEKS:
-        delta *= 7;
-        case RRDTime.DAYS:
-        this.tm_mday += ( op == RRDTime.PLUS) ? delta : -delta;
-        return;
-        case RRDTime.HOURS:
-        this.offset += (op == RRDTime.PLUS) ? delta * 60 * 60 : -delta * 60 * 60;
-        return;
-      case RRDTime.MINUTES:
-        this.offset += (op == RRDTime.PLUS) ? delta * 60 : -delta * 60;
-        return;
-        case RRDTime.SECONDS:
-        this.offset += (op == RRDTime.PLUS) ? delta : -delta;
-        return;
-        default: /*default unit is seconds */
-        this.offset += (op == RRDTime.PLUS) ? delta : -delta;
-        return;
-    }
-    throw "well-known time unit expected after "+delta;
-    },
-    tod: function() /* tod() computes the time of day (TIME-OF-DAY-SPEC) */
-    {
-    var hour, minute = 0;
-    var tlen;
-    /* save token status in  case we must abort */
-    var tokid_sv = this.tokid;
-
-    tlen = (this.token+"").length;
-    /* first pick out the time of day - we assume a HH (COLON|DOT) MM time */
-    if (tlen > 2)
-        return;
-    hour = this.token;
-    this.gettok();
-    if (this.tokid == RRDTime.SLASH || this.tokid == RRDTime.DOT) {
-        /* guess we are looking at a date */
-        this.tokid = tokid_sv;
-        this.token = hour;
-        return;
-    }
-    if (this.tokid == RRDTime.COLON) {
-            if (this.gettok() != RRDTime.NUMBER)
-                throw "Parsing HH:MM syntax, expecting MM as number, got none";
-            minute = this.token;
-            if (minute > 59)
-                throw "parsing HH:MM syntax, got MM = "+minute+" (>59!)";
-            this.gettok();
-    }
-    /* check if an AM or PM specifier was given */
-    if (this.tokid == RRDTime.AM || this.tokid == RRDTime.PM) {
-        if (hour > 12) {
-            throw "there cannot be more than 12 AM or PM hours";
-        }
-        if (this.tokid == RRDTime.PM) {
-            if (hour != 12) /* 12:xx PM is 12:xx, not 24:xx */
-                hour += 12;
-        } else {
-            if (hour == 12) /* 12:xx AM is 00:xx, not 12:xx */
-                hour = 0;
-        }
-        this.gettok();
-    } else if (hour > 23) {
-        /* guess it was not a time then ... */
-        this.tokid = tokid_sv;
-                this.token = hour;
-        return;
-    }
-    this.tm_hour = hour;
-    this.tm_min = minute;
-    this.tm_sec = 0;
-    if (this.tm_hour == 24) {
-        this.tm_hour = 0;
-        this.tm_mday++;
-    }
-    },
-    assign_date: function(mday, mon, year)
-    {
-        if (year > 138) {
-            if (year > 1970) {
-                year -= 1900;
-            } else {
-                throw "invalid year "+year+" (should be either 00-99 or >1900)";
-            }
-        } else if (year >= 0 && year < 38) {
-            year += 100;    /* Allow year 2000-2037 to be specified as   */
-        }
-    /* 00-37 until the problem of 2038 year will */
-    /* arise for unices with 32-bit time_t :)    */
-    if (year < 70)
-            throw "won't handle dates before epoch (01/01/1970), sorry";
-
-    this.tm_mday = mday;
-    this.tm_mon = mon;
-    this.tm_year = year;
-    },
-    day: function ()
-    {
-    var mday = 0, wday, mon, year = this.tm_year;
-    var tlen;
-
-        switch (this.tokid) {
-            case RRDTime.YESTERDAY:
-                this.tm_mday--;
-            case RRDTime.TODAY:
-                this.gettok();
-                break;
-            case RRDTime.TOMORROW:
-                this.tm_mday++;
-                this.gettok();
-                break;
-            case RRDTime.JAN:
-            case RRDTime.FEB:
-            case RRDTime.MAR:
-            case RRDTime.APR:
-            case RRDTime.MAY:
-            case RRDTime.JUN:
-            case RRDTime.JUL:
-            case RRDTime.AUG:
-            case RRDTime.SEP:
-            case RRDTime.OCT:
-            case RRDTime.NOV:
-            case RRDTime.DEC:
-        mon = (this.tokid - RRDTime.JAN);
-                if (this.gettok() != RRDTime.NUMBER)
-                    throw "the day of the month should follow month name";
-        mday = this.token;
-        if (this.gettok() == RRDTime.NUMBER) {
-            year =	this.token;
-            this.gettok();
-        } else {
-            year = this.tm_year;
-                }
-        this.assign_date(mday, mon, year);
-        break;
-            case RRDTime.SUN:
-            case RRDTime.MON:
-            case RRDTime.TUE:
-            case RRDTime.WED:
-            case RRDTime.THU:
-            case RRDTime.FRI:
-            case RRDTime.SAT:
-                wday = (this.tokid - RRDTime.SUN);
-                this.tm_mday += (wday - this.tm_wday);
-                this.gettok();
-                break;
-            case RRDTime.NUMBER:
-        mon = this.token;
-        if (mon > 10 * 365 * 24 * 60 * 60) {
-            this.localtime(mon);
-            this.gettok();
-            break;
-        }
-        if (mon > 19700101 && mon < 24000101) { /*works between 1900 and 2400 */
-                    var str = this.token + '';
-                    year = parseInt(str.substr(0,4), 10);
-                    mon = parseInt(str.substr(4,2), 10);
-                    mday = parseInt(str.substr(6,2), 10);
-                    this.gettok();
-        } else {
-          this.gettok();
-                    if (mon <= 31 && (this.tokid == RRDTime.SLASH || this.tokid == RRDTime.DOT)) {
-                        var sep = this.tokid;
-                        if (this.gettok() != RRDTime.NUMBER)
-                            throw "there should be "+(RRDTime.DOT ? "month" : "day")+" number after '"+(RRDTime.DOT ? '.' : '/')+"'";
-                        mday = this.token;
-                        if (this.gettok() == sep) {
-                            if (this.gettok() != RRDTime.NUMBER)
-                                throw "there should be year number after '"+(sep == RRDTime.DOT ? '.' : '/')+"'";
-                            year = this.token;
-                            this.gettok();
-                        }
-                        if (sep == RRDTime.DOT) {
-                            var x = mday;
-                            mday = mon;
-                            mon = x;
-                        }
-                    }
-            }
-            mon--;
-            if (mon < 0 || mon > 11)
-                throw "did you really mean month "+(mon+1)+"?";
-            if (mday < 1 || mday > 31)
-                throw "I'm afraid that "+mday+" is not a valid day of the month",
-            this.assign_date(mday, mon, year);
-            break;
-        }
-    },
-    parser: function(tspec)
-    {
-        var date = new Date();
-    var hr = 0;
-
-        this.specials = RRDTime.variousWords;
-        this.tokens = (tspec+'').match(/[0-9]+|[A-Za-z]+|[:.+-\/]/g);
-        this.toklen = this.tokens.length;
-
-    /* establish the default time reference */
-    this.type = RRDTime.ABSOLUTE_TIME;
-    this.offset = 0;
-        this.tm_sec = date.getSeconds();
-        this.tm_min = date.getMinutes();
-        this.tm_hour = date.getHours();
-        this.tm_mday = date.getDate();
-        this.tm_mon = date.getMonth();
-        this.tm_year = date.getFullYear()-1900;
-        this.tm_wday = date.getDay();
-    //thisptv->tm = *localtime(&now);
-
-    this.gettok();
-        switch (this.tokid) {
-            case RRDTime.PLUS:
-            case RRDTime.MINUS:
-                break;          /* jump to OFFSET-SPEC part */
-            case RRDTime.EPOCH:
-                this.type = RRDTime.RELATIVE_TO_EPOCH;
-            case RRDTime.START:
-            case RRDTime.END:
-                if (this.tokid === RRDTime.EPOCH)
-          this.type = RRDTime.RELATIVE_TO_START_TIME;
-                else
-            this.type = RRDTime.RELATIVE_TO_END_TIME;
-        this.tm_sec = 0;
-        this.tm_min = 0;
-        this.tm_hour = 0;
-        this.tm_mday = 0;
-        this.tm_mon = 0;
-        this.tm_year = 0;
-            case RRDTime.NOW:
-        var time_reference = this.tokid;
-        this.gettok();
-        if (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS)
-            break;
-        if (time_reference != RRDTime.NOW) {
-            throw "'start' or 'end' MUST be followed by +|- offset";
-        } else if (this.tokid != RRDTime.EOF) {
-            throw "if 'now' is followed by a token it must be +|- offset";
-        }
-        break;
-            case RRDTime.NUMBER: /* Only absolute time specifications below */
-        var hour_sv = this.tm_hour;
-        var year_sv = this.tm_year;
-        this.tm_hour = 30;
-        this.tm_year = 30000;
-                this.tod();
-                this.day();
-                if (this.tm_hour == 30 && this.tm_year != 30000)
-                    this.tod();
-                if (this.tm_hour == 30)
-                    this.tm_hour = hour_sv;
-                if (this.tm_year == 30000)
-                    this.tm_year = year_sv;
-        break;
-            case RRDTime.JAN:
-            case RRDTime.FEB:
-            case RRDTime.MAR:
-            case RRDTime.APR:
-            case RRDTime.MAY:
-            case RRDTime.JUN:
-            case RRDTime.JUL:
-            case RRDTime.AUG:
-            case RRDTime.SEP:
-            case RRDTime.OCT:
-            case RRDTime.NOV:
-            case RRDTime.DEC:
-        this.day();
-                if (this.tokid != RRDTime.NUMBER)
-                    break;
-                this.tod();
-                break;
-            case RRDTime.TEATIME:
-                hr += 4;
-            case RRDTime.NOON:
-                hr += 12;
-            case RRDTime.MIDNIGHT:
-                this.tm_hour = hr;
-                this.tm_min = 0;
-                this.tm_sec = 0;
-        this.gettok();
-        this.day();
-        break;
-            default:
-        throw "unparsable time: "+this.token+" "+this.sct;
-        break;
-    }                   /* ugly case statement */
-
-    /*
-     * the OFFSET-SPEC part
-     *
-     * (NOTE, the sc_tokid was prefetched for us by the previous code)
-     */
-        if (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS) {
-            this.specials = RRDTime.timeMultipliers; /* switch special words context */
-            while (this.tokid == RRDTime.PLUS || this.tokid == RRDTime.MINUS || this.tokid == RRDTime.NUMBER) {
-                if (this.tokid == RRDTime.NUMBER) {
-                    this.plus_minus(-1);
-                } else {
-                    this.plus_minus(this.tokid);
-                }
-                    this.gettok();    /* We will get EOF eventually but that's OK, since token() will return us as many EOFs as needed */
-            }
-    }
-
-    /* now we should be at EOF */
-    if (this.tokid != RRDTime.EOF)
-        throw "unparsable trailing text: '..."+this.token+"'";
-//    if (this.type == RRDTime.ABSOLUTE_TIME)
-//			if (mktime(&ptv->tm) == -1)  // FIXME ??
-//				panic(e("the specified time is incorrect (out of range?)"));
-    },
-    localtime: function (tm)
-    {
-        var date = new Date(tm*1000);
-        this.tm_sec = date.getSeconds();
-        this.tm_min = date.getMinutes();
-        this.tm_hour = date.getHours();
-        this.tm_mday = date.getDate();
-        this.tm_mon = date.getMonth();
-        this.tm_year = date.getFullYear()-1900;
-        this.tm_wday = date.getDay();
-    },
-    mktime: function()
-    {
-        var date = new Date(this.tm_year+1900, this.tm_mon, this.tm_mday, this.tm_hour, this.tm_min, this.tm_sec);
-        return Math.round(date.getTime()/1000.0);
-    }
-};
-
-RRDTime.proc_start_end = function(start_t, end_t) {
-    var start, end;
-
-  if (start_t.type == RRDTime.RELATIVE_TO_END_TIME &&  end_t.type == RRDTime.RELATIVE_TO_START_TIME)
-        throw "the start and end times cannot be specified relative to each other";
-  if (start_t.type == RRDTime.RELATIVE_TO_START_TIME)
-        throw "the start time cannot be specified relative to itself";
-  if (end_t.type == RRDTime.RELATIVE_TO_END_TIME)
-        throw "the end time cannot be specified relative to itself";
-
-  if (start_t.type == RRDTime.RELATIVE_TO_END_TIME) {
-    end = end_t.mktime() + end_t.offset;
-        var tmtmp = new Date(end*1000);
-        tmtmp.setDate(tmtmp.getDate()+start_t.tm_mday);
-        tmtmp.setMonth(tmtmp.getMonth()+start_t.tm_mon);
-        tmtmp.setFullYear(tmtmp.getFullYear()+start_t.tm_year);
-    start = Math.round(tmtmp.getTime()/1000.0) + start_t.offset;
-  } else {
-        start = start_t.mktime() + start_t.offset;
-  }
-  if (end_t.type == RRDTime.RELATIVE_TO_START_TIME) {
-    start = start_t.mktime() + start_t.offset;
-        var tmtmp = new Date(start*1000);
-        tmtmp.setDate(tmtmp.getDate()+end_t.tm_mday);
-        tmtmp.setMonth(tmtmp.getMonth()+end_t.tm_mon);
-        tmtmp.setFullYear(tmtmp.getFullYear()+end_t.tm_year);
-    end = Math.round(tmtmp.getTime()/1000.0) + end_t.offset;
-  } else {
-        end = end_t.mktime() + end_t.offset;
-  }
-  return [start, end];
-};
-
-var RRDRpn = function() {
-    this.parser.apply(this, arguments);
-};
-
-RRDRpn.OP = { NUMBER: 0, VARIABLE: 1, INF: 2, PREV: 3, NEGINF: 4,
-    UNKN: 5, NOW: 6, TIME: 7, ADD: 8, MOD: 9, SUB: 10, MUL: 11,
-    DIV: 12, SIN: 13, DUP: 14, EXC: 15, POP: 16,
-    COS: 17, LOG: 18, EXP: 19, LT: 20, LE: 21, GT: 22, GE: 23, EQ: 24, IF: 25,
-    MIN: 26, MAX: 27, LIMIT: 28, FLOOR: 29, CEIL: 30,
-    UN: 31, END: 32, LTIME: 33, NE: 34, ISINF: 35, PREV_OTHER: 36, COUNT: 37,
-    ATAN: 38, SQRT: 39, SORT: 40, REV: 41, TREND: 42, TREDNAN: 43,
-    ATAN2: 44, RAD2DEG: 45, DEG2RAD: 46,
-    PREDICT: 47, PREDICTSIGMA: 48, AVG: 49, ABS: 50, ADDNAN: 51 };
-
-RRDRpn.STACK_UNDERFLOW = 'RPN stack underflow';
-
-RRDRpn.prototype = {
-
-    rpnstack: null,
-    rpnp: null,
-
-  find_var: function(gdes, key)
-  {
-    for (var ii = 0, gdes_c = gdes.length; ii < gdes_c; ii++) {
-        if ((gdes[ii].gf == RRDGraphDesc.GF.DEF ||
-              gdes[ii].gf == RRDGraphDesc.GF.VDEF ||
-              gdes[ii].gf == RRDGraphDesc.GF.CDEF)
-            && gdes[ii].vname == key) {
-            return ii;
-        }
-    }
-    return -1;
-  },
-    parser: function (str_expr, gdes)
-    {
-    var steps = -1;
-        var expr;
-    var exprs = str_expr.split(',');
-
-        this.rpnp = [];
-
-        for(var i=0, len=exprs.length; i < len; i++) {
-            expr=exprs[i].toUpperCase();
-
-            steps++;
-            this.rpnp[steps] = {};
-
-            if (!isNaN(expr)) {
-          this.rpnp[steps].op = RRDRpn.OP.NUMBER;
-                    this.rpnp[steps].val = parseFloat(expr);
-            }
-            else if (expr === '+') this.rpnp[steps].op = RRDRpn.OP.ADD;
-            else if (expr === '-') this.rpnp[steps].op = RRDRpn.OP.SUB;
-            else if (expr === '*') this.rpnp[steps].op = RRDRpn.OP.MUL;
-            else if (expr === '/') this.rpnp[steps].op = RRDRpn.OP.DIV;
-            else if (expr === '%') this.rpnp[steps].op = RRDRpn.OP.MOD;
-            else if (expr === 'SIN') this.rpnp[steps].op = RRDRpn.OP.SIN;
-            else if (expr === 'COS') this.rpnp[steps].op = RRDRpn.OP.COS;
-            else if (expr === 'LOG') this.rpnp[steps].op = RRDRpn.OP.LOG;
-            else if (expr === 'FLOOR') this.rpnp[steps].op = RRDRpn.OP.FLOOR;
-            else if (expr === 'CEIL') this.rpnp[steps].op = RRDRpn.OP.CEIL;
-            else if (expr === 'EXP') this.rpnp[steps].op = RRDRpn.OP.EXP;
-            else if (expr === 'DUP') this.rpnp[steps].op = RRDRpn.OP.DUP;
-            else if (expr === 'EXC') this.rpnp[steps].op = RRDRpn.OP.EXC;
-            else if (expr === 'POP') this.rpnp[steps].op = RRDRpn.OP.POP;
-            else if (expr === 'LTIME') this.rpnp[steps].op = RRDRpn.OP.LTIME;
-            else if (expr === 'LT') this.rpnp[steps].op = RRDRpn.OP.LT;
-            else if (expr === 'LE') this.rpnp[steps].op = RRDRpn.OP.LE;
-            else if (expr === 'GT') this.rpnp[steps].op = RRDRpn.OP.GT;
-            else if (expr === 'GE') this.rpnp[steps].op = RRDRpn.OP.GE;
-            else if (expr === 'EQ') this.rpnp[steps].op = RRDRpn.OP.EQ;
-            else if (expr === 'IF') this.rpnp[steps].op = RRDRpn.OP.IF;
-            else if (expr === 'MIN') this.rpnp[steps].op = RRDRpn.OP.MIN;
-            else if (expr === 'MAX') this.rpnp[steps].op = RRDRpn.OP.MAX;
-            else if (expr === 'LIMIT') this.rpnp[steps].op = RRDRpn.OP.LIMIT;
-            else if (expr === 'UNKN') this.rpnp[steps].op = RRDRpn.OP.UNKN;
-            else if (expr === 'UN') this.rpnp[steps].op = RRDRpn.OP.UN;
-            else if (expr === 'NEGINF') this.rpnp[steps].op = RRDRpn.OP.NEGINF;
-            else if (expr === 'NE') this.rpnp[steps].op = RRDRpn.OP.NE;
-            else if (expr === 'COUNT') this.rpnp[steps].op = RRDRpn.OP.COUNT;
-            else if (/PREV\([-_A-Za-z0-9]+\)/.test(expr)) {
-                var match = exprs[i].match(/PREV\(([-_A-Za-z0-9]+)\)/i);
-                if (match.length == 2) {
-                    this.rpnp[steps].op = RRDRpn.OP.PREV_OTHER;
-          this.rpnp[steps].ptr = this.find_var(gdes, match[1]);  // FIXME if -1
-                }
-            }
-            else if (expr === 'PREV') this.rpnp[steps].op = RRDRpn.OP.PREV;
-            else if (expr === 'INF') this.rpnp[steps].op = RRDRpn.OP.INF;
-            else if (expr === 'ISINF') this.rpnp[steps].op = RRDRpn.OP.ISINF;
-            else if (expr === 'NOW') this.rpnp[steps].op = RRDRpn.OP.NOW;
-            else if (expr === 'TIME') this.rpnp[steps].op = RRDRpn.OP.TIME;
-            else if (expr === 'ATAN2') this.rpnp[steps].op = RRDRpn.OP.ATAN2;
-            else if (expr === 'ATAN') this.rpnp[steps].op = RRDRpn.OP.ATAN;
-            else if (expr === 'SQRT') this.rpnp[steps].op = RRDRpn.OP.SQRT;
-            else if (expr === 'SORT') this.rpnp[steps].op = RRDRpn.OP.SORT;
-            else if (expr === 'REV') this.rpnp[steps].op = RRDRpn.OP.REV;
-            else if (expr === 'TREND') this.rpnp[steps].op = RRDRpn.OP.TREND;
-            else if (expr === 'TRENDNAN') this.rpnp[steps].op = RRDRpn.OP.TRENDNAN;
-            else if (expr === 'PREDICT') this.rpnp[steps].op = RRDRpn.OP.PREDICT;
-            else if (expr === 'PREDICTSIGMA') this.rpnp[steps].op = RRDRpn.OP.PREDICTSIGMA;
-            else if (expr === 'RAD2DEG') this.rpnp[steps].op = RRDRpn.OP.RAD2DEG;
-            else if (expr === 'DEG2RAD') this.rpnp[steps].op = RRDRpn.OP.DEG2RAD;
-            else if (expr === 'AVG') this.rpnp[steps].op = RRDRpn.OP.AVG;
-            else if (expr === 'ABS') this.rpnp[steps].op = RRDRpn.OP.ABS;
-            else if (expr === 'ADDNAN') this.rpnp[steps].op = RRDRpn.OP.ADDNAN;
-            else if (/[-_A-Za-z0-9]+/.test(expr)) {
-                this.rpnp[steps].ptr = this.find_var(gdes, exprs[i]);
-                this.rpnp[steps].op = RRDRpn.OP.VARIABLE;
-            } else {
-        return;
-      }
-    }
-        this.rpnp[steps + 1] = {};
-    this.rpnp[steps + 1].op = RRDRpn.OP.END;
-
-    },
-    compare_double: function(x, y)
-    {
-    var diff = x -  y;
-    return (diff < 0) ? -1 : (diff > 0) ? 1 : 0;
-    },
-    fmod: function (x, y) {
-     var tmp, tmp2, p = 0,
-       pY = 0,
-       l = 0.0,
-       l2 = 0.0;
-
-        tmp = x.toExponential().match(/^.\.?(.*)e(.+)$/);
-        p = parseInt(tmp[2], 10) - (tmp[1] + '').length;
-      tmp = y.toExponential().match(/^.\.?(.*)e(.+)$/);
-        pY = parseInt(tmp[2], 10) - (tmp[1] + '').length;
-
-      if (pY > p) p = pY;
-
-      tmp2 = (x % y);
-
-        if (p < -100 || p > 20) {
-          l = Math.round(Math.log(tmp2) / Math.log(10));
-            l2 = Math.pow(10, l);
-          return (tmp2 / l2).toFixed(l - p) * l2;
-        } else {
-            return parseFloat(tmp2.toFixed(-p));
-      }
-    },
-    calc: function (data_idx, output, output_idx)
-    {
-        var stptr = -1;
-
-        this.rpnstack = [];
-
-        for (var rpi = 0; this.rpnp[rpi].op != RRDRpn.OP.END; rpi++) {
-            switch (this.rpnp[rpi].op) {
-              case RRDRpn.OP.NUMBER:
-                this.rpnstack[++stptr] = this.rpnp[rpi].val;
-                break;
-              case RRDRpn.OP.VARIABLE:
-              case RRDRpn.OP.PREV_OTHER:
-                if (this.rpnp[rpi].ds_cnt == 0) {
-                    throw "VDEF made it into rpn_calc... aborting";
-                } else {
-                    if (this.rpnp[rpi].op == RRDRpn.OP.VARIABLE) {
-                        this.rpnstack[++stptr] = this.rpnp[rpi].data[this.rpnp[rpi].pdata];
-                    } else {
-                        if ((output_idx) <= 0) this.rpnstack[++stptr] = Number.NaN;
-                        else this.rpnstack[++stptr] = this.rpnp[rpi].data[this.rpnp[rpi].pdata - this.rpnp[rpi].ds_cnt];
-                    }
-                    if (data_idx % this.rpnp[rpi].step == 0) {
-                        this.rpnp[rpi].pdata +=  this.rpnp[rpi].ds_cnt;
-                    }
-                }
-                break;
-              case RRDRpn.OP.COUNT:
-                this.rpnstack[++stptr] = (output_idx + 1);    /* Note: Counter starts at 1 */
-                break;
-              case RRDRpn.OP.PREV:
-                if ((output_idx) <= 0) this.rpnstack[++stptr] = Number.NaN;
-                else this.rpnstack[++stptr] = output[output_idx - 1];
-                break;
-              case RRDRpn.OP.UNKN:
-                this.rpnstack[++stptr] = Number.NaN;
-                break;
-              case RRDRpn.OP.INF:
-                this.rpnstack[++stptr] = Infinity;
-                break;
-              case RRDRpn.OP.NEGINF:
-                this.rpnstack[++stptr] = -Infinity;
-                break;
-              case RRDRpn.OP.NOW:
-                this.rpnstack[++stptr] = Math.round((new Date()).getTime() / 1000);
-                break;
-              case RRDRpn.OP.TIME:
-                this.rpnstack[++stptr] = data_idx;
-                break;
-              case RRDRpn.OP.LTIME:
-                var date = new Date(data_idx*1000); // FIXME XXX
-                this.rpnstack[++stptr] = date.getTimezoneOffset() * 60 + data_idx;
-                break;
-              case RRDRpn.OP.ADD:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] + this.rpnstack[stptr];
-                stptr--;
-                break;
-              case RRDRpn.OP.ADDNAN:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1])) {
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                } else if (isNaN(this.rpnstack[stptr])) {
-                    /* NOOP */
-                    /* this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1]; */
-                } else {
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] + this.rpnstack[stptr];
-                }
-                stptr--;
-                break;
-              case RRDRpn.OP.SUB:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] - this.rpnstack[stptr];
-                stptr--;
-                break;
-              case RRDRpn.OP.MUL:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = (this.rpnstack[stptr - 1]) * (this.rpnstack[stptr]);
-                stptr--;
-                break;
-              case RRDRpn.OP.DIV:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] / this.rpnstack[stptr];
-                stptr--;
-                break;
-              case RRDRpn.OP.MOD:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = this.fmod(this.rpnstack[stptr - 1] , this.rpnstack[stptr]);
-                stptr--;
-                break;
-              case RRDRpn.OP.SIN:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.sin(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.ATAN:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.atan(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.RAD2DEG:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = 57.29577951 * this.rpnstack[stptr];
-                break;
-              case RRDRpn.OP.DEG2RAD:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = 0.0174532952 * this.rpnstack[stptr];
-                break;
-              case RRDRpn.OP.ATAN2:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 1] = Math.atan2(this.rpnstack[stptr - 1], this.rpnstack[stptr]);
-                stptr--;
-                break;
-              case RRDRpn.OP.COS:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.cos(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.CEIL:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.ceil(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.FLOOR:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.floor(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.LOG:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.log(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.DUP:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr + 1] = this.rpnstack[stptr];
-                stptr++;
-                break;
-              case RRDRpn.OP.POP:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                stptr--;
-                break;
-              case RRDRpn.OP.EXC:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW; {
-                    var dummy = this.rpnstack[stptr];
-                    this.rpnstack[stptr] = this.rpnstack[stptr - 1];
-                    this.rpnstack[stptr - 1] = dummy;
-                }
-                break;
-              case RRDRpn.OP.EXP:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.exp(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.LT:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] < this.rpnstack[stptr] ? 1.0 : 0.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.LE:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] <= this.rpnstack[stptr] ? 1.0 : 0.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.GT:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] > this.rpnstack[stptr] ? 1.0 : 0.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.GE:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] >= this.rpnstack[stptr] ? 1.0 : 0.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.NE:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] == this.rpnstack[stptr] ? 0.0 : 1.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.EQ:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr - 1] == this.rpnstack[stptr] ? 1.0 : 0.0;
-                stptr--;
-                break;
-              case RRDRpn.OP.IF:
-                if(stptr < 2) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr - 2] = (isNaN(this.rpnstack[stptr - 2]) || this.rpnstack[stptr - 2] == 0.0) ? this.rpnstack[stptr] : this.rpnstack[stptr - 1];
-                stptr--;
-                stptr--;
-                break;
-              case RRDRpn.OP.MIN:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else if (this.rpnstack[stptr - 1] > this.rpnstack[stptr])
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                stptr--;
-                break;
-              case RRDRpn.OP.MAX:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if (isNaN(this.rpnstack[stptr - 1]));
-                else if (isNaN(this.rpnstack[stptr]))
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                else if (this.rpnstack[stptr - 1] < this.rpnstack[stptr])
-                    this.rpnstack[stptr - 1] = this.rpnstack[stptr];
-                stptr--;
-                break;
-              case RRDRpn.OP.LIMIT:
-                if(stptr < 2) {
-                    throw RRDRpn.STACK_UNDERFLOW;
-                };
-                if (isNaN(this.rpnstack[stptr - 2])) {
-                } else if (isNaN(this.rpnstack[stptr - 1])) {
-                    this.rpnstack[stptr - 2] = this.rpnstack[stptr - 1];
-                } else if (isNaN(this.rpnstack[stptr])) {
-                    this.rpnstack[stptr - 2] = this.rpnstack[stptr];
-                } else if (
-                    this.rpnstack[stptr - 2] < this.rpnstack[stptr - 1]) {
-                    this.rpnstack[stptr - 2] = Number.NaN;
-                } else if (this.rpnstack[stptr - 2] > this.rpnstack[stptr]) {
-                    this.rpnstack[stptr - 2] = Number.NaN;
-                }
-                stptr -= 2;
-                break;
-              case RRDRpn.OP.UN:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = isNaN(this.rpnstack[stptr]) ? 1.0 : 0.0;
-                break;
-              case RRDRpn.OP.ISINF:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = isInfinite(this.rpnstack[stptr]) ? 1.0 : 0.0;
-                break;
-              case RRDRpn.OP.SQRT:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = Math.sqrt(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.SORT:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                var spn = this.rpnstack[stptr--];
-                if(stptr < spn - 1) throw RRDRpn.STACK_UNDERFLOW;
-                var array = this.rpnstack (stptr - spn + 1, stptr +1);
-                array.sort(this.rpn_compare_double);
-                for (var i=stptr - spn + 1, ii=0; i < (stptr +1) ; i++, ii++)
-                    this.rpnstack[i] = array[ii];
-                // qsort(this.rpnstack + stptr - spn + 1, spn, sizeof(double), rpn_compare_double);
-                break;
-              case RRDRpn.OP.REV:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                var spn = this.rpnstack[stptr--];
-                if(stptr < spn - 1) throw RRDRpn.STACK_UNDERFLOW;
-                var array = this.rpnstack (stptr - spn + 1, stptr +1);
-                array.reverse();
-                for (var i=stptr - spn + 1, ii=0; i < (stptr +1) ; i++, ii++)
-                    this.rpnstack[i] = array[ii];
-                //					var p, q;
-                //					p = this.rpnstack + stptr - spn + 1;
-                //					q = this.rpnstack + stptr;
-                //					while (p < q) {
-                //						var x = q;
-                //						q-- = p;
-                //						p++ = x;
-                //					}
-                break;
-              case RRDRpn.OP.PREDICT:
-              case RRDRpn.OP.PREDICTSIGMA:
-                if(stptr < 2) throw RRDRpn.STACK_UNDERFLOW;
-                var locstepsize = this.rpnstack[--stptr];
-                var shifts = this.rpnstack[--stptr];
-                if(stptr < shifts) throw RRDRpn.STACK_UNDERFLOW;
-                if (shifts<0) stptr--;
-                else stptr-=shifts;
-                var val=Number.NaN;
-                    var dsstep = this.rpnp[rpi - 1].step;
-                var dscount = this.rpnp[rpi - 1].ds_cnt;
-                var locstep = Math.ceil(locstepsize/dsstep);
-                var sum = 0;
-                var sum2 = 0;
-                var count = 0;
-                    /* now loop for each position */
-                var doshifts=shifts;
-                if (shifts<0) doshifts=-shifts;
-                for(var loop=0;loop<doshifts;loop++) {
-                    var shiftstep=1;
-                    if (shifts<0) shiftstep = loop*this.rpnstack[stptr];
-                    else shiftstep = this.rpnstack[stptr+loop];
-                    if(shiftstep <0) {
-                        throw "negative shift step not allowed: "+shiftstep;
-                    }
-                    shiftstep=Math.ceil(shiftstep/dsstep);
-                    for(var i=0; i<=locstep; i++) {
-                        var offset=shiftstep+i;
-                        if ((offset>=0)&&(offset<output_idx)) {
-                            val =this.rpnp[rpi - 1].data[-dscount * offset];
-                            if (! isNaN(val)) {
-                                sum+=val;
-                                sum2+=val*val;
-                                count++;
-                            }
-                        }
-                    }
-                }
-                val=Number.NaN;
-                if (this.rpnp[rpi].op == RRDRpn.OP.PREDICT) {
-                    if (count>0) val = sum/count;
-                } else {
-                    if (count>1) {
-                        val=count*sum2-sum*sum;
-                        if (val<0) {
-                            val=Number.NaN;
-                        } else {
-                            val=Math.sqrt(val/(count*(count-1.0)));
-                        }
-                    }
-                }
-                this.rpnstack[stptr] = val;
-                break;
-              case RRDRpn.OP.TREND:
-              case RRDRpn.OP.TRENDNAN:
-                if(stptr < 1) throw RRDRpn.STACK_UNDERFLOW;
-                if ((rpi < 2) || (this.rpnp[rpi - 2].op != RRDRpn.OP.VARIABLE)) {
-                    throw "malformed trend arguments";
-                } else {
-                    var dur = this.rpnstack[stptr];
-                    var step = this.rpnp[rpi - 2].step;
-
-                    if (output_idx > Math.ceil(dur / step)) {
-                        var ignorenan = (this.rpnp[rpi].op == RRDRpn.OP.TREND);
-                        var accum = 0.0;
-                        var i = 0;
-                        var count = 0;
-
-                            do {
-                                var val = this.rpnp[rpi - 2].data[this.rpnp[rpi - 2].ds_cnt * i--];
-                                if (ignorenan || !isNaN(val)) {
-                                    accum += val;
-                                    ++count;
-                                }
-                                dur -= step;
-                            } while (dur > 0);
-
-                        this.rpnstack[--stptr] = (count == 0) ? Number.NaN : (accum / count);
-                    } else this.rpnstack[--stptr] = Number.NaN;
-                }
-                break;
-              case RRDRpn.OP.AVG:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                var i = this.rpnstack[stptr--];
-                var sum = 0;
-                var count = 0;
-
-                if(stptr < i - 1) throw RRDRpn.STACK_UNDERFLOW;
-                while (i > 0) {
-                    var val = this.rpnstack[stptr--];
-                    i--;
-                    if (isNaN(val)) continue;
-                    count++;
-                    sum += val;
-                }
-                if (count > 0) this.rpnstack[++stptr] = sum / count;
-                else this.rpnstack[++stptr] = Number.NaN;
-                break;
-              case RRDRpn.OP.ABS:
-                if(stptr < 0) throw RRDRpn.STACK_UNDERFLOW;
-                this.rpnstack[stptr] = fabs(this.rpnstack[stptr]);
-                break;
-              case RRDRpn.OP.END:
-                break;
-            }
-        }
-        if (stptr != 0) throw "RPN final stack size != 1";
-        output[output_idx] = this.rpnstack[0];
-        return 0;
-    }
-};
-
-var RRDGraphDesc = function() {
-    this.init.apply(this, arguments);
-};
-
-RRDGraphDesc.GF = {PRINT: 0, GPRINT: 1, COMMENT: 2, HRULE: 3, VRULE: 4, LINE: 5, AREA:6, STACK:7, TICK:8, TEXTALIGN:9, DEF:10, CDEF:11, VDEF:12, SHIFT: 13, XPORT: 14 };
-
-RRDGraphDesc.VDEF = {MAXIMUM: 0, MINIMUM: 1, AVERAGE: 2, STDEV: 3, PERCENT: 4, TOTAL: 5, FIRST: 6, LAST: 7, LSLSLOPE: 8, LSLINT: 9, LSLCORREL: 10, PERCENTNAN: 11 };
-
-RRDGraphDesc.CF = {AVERAGE: 0, MINIMUM: 1, MAXIMUM: 2, LAST: 3, HWPREDICT: 4, SEASONAL: 5, DEVPREDICT: 6, DEVSEASONAL: 7, FAILURES: 8, MHWPREDICT:9 };
-RRDGraphDesc.TXA = {LEFT: 0, RIGHT: 1, CENTER: 2, JUSTIFIED: 3};
-
-RRDGraphDesc.prototype = {
-
-    gf: null,      /* graphing function */
-    stack: false,    /* boolean */
-    debug: false,    /* boolean */
-    vname: null,     /* name of the variable */
-    vidx: Number.NaN,     /* gdes reference */
-    rrd: null,    /* name of the rrd_file containing data */
-    ds_nam: null,  /* data source name */
-    ds: -1,       /* data source number */
-    cf: null,      /* consolidation function */
-    cf_reduce: null,   /* consolidation function for reduce_data() */
-    col: null, /* graph color */
-    format: null,  /* format for PRINT AND GPRINT */
-    legend: null,  /* legend */
-    strftm: false,   /* should the VDEF legend be formated with strftime */
-    leg_x: 0, /* location of legend */
-    leg_y: 0,
-    yrule: Number.NaN,    /* value for y rule line and for VDEF */
-    xrule: 0,    /* time for x rule line and for VDEF */
-    vf: null,       /* instruction for VDEF function */
-    rpnp: null,     /* instructions for CDEF function */
-
-    /* SHIFT implementation */
-    shidx: 0,    /* gdes reference for offset (-1 --> constant) */
-    shval: 0,    /* offset if shidx is -1 */
-    shift: 0,    /* current shift applied */
-
-    /* description of data fetched for the graph element */
-    start: 0,   /* timestaps for first and last data element */
-    end: 0,
-    start_orig: 0, /* timestaps for first and last data element */
-    end_orig: 0,
-    step: 0, /* time between samples */
-    step_orig: 0,    /* time between samples */
-    ds_cnt: 0,   /* how many data sources are there in the fetch */
-    data_first: 0,   /* first pointer to this data */
-    ds_namv: null,  /* name of datasources  in the fetch. */
-    data: null,  /* the raw data drawn from the rrd */
-    p_data: null,    /* processed data, xsize elments */
-    linewidth: 0,    /* linewideth */
-
-    /* dashed line stuff */
-    dash: false,     /* boolean, draw dashed line? */
-    p_dashes: null, /* pointer do dash array which keeps the lengths of dashes */
-    ndash: false,    /* number of dash segments */
-    offset: 0,   /* dash offset along the line */
-
-    txtalign: 0,   /* change default alignment strategy for text */
-
-    init: function (graph)
-    {
-        this.step = graph.step;
-        this.step_orig = graph.step;
-        this.start = graph.start;
-        this.start_orig = graph.start;
-        this.end = graph.end;
-        this.end_orig = graph.end;
-        this.cf = RRDGraphDesc.CF.AVERAGE;
-        this.cf_reduce = RRDGraphDesc.CF.AVERAGE;
-        this.data = [];
-        this.pdata = [];
-        this.ds_namv = [];
-    }
-};
-
-Date.prototype.getWeek = function() {
-    var onejan = new Date(this.getFullYear(),0,1);
-    return Math.ceil((((this - onejan) / 86400000) + onejan.getDay()+1)/7);
-};
-
-
-var RRDGraph = function() {
-    this.init.apply(this, arguments);
-};
-
-RRDGraph.pad2 = function(number) {
-    return (number < 10 ? '0' : '') + number;
-};
-RRDGraph.pad3 = function(number) {
-    return (number < 10 ? '00' : number < 100 ? '0' : '') + number;
-};
-RRDGraph.lpad = function(str, padString, length) {
-    while (str.length < length) {
-        str = padString + str;
-    }
-    return str;
-};
-RRDGraph.days = [ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' ];
-RRDGraph.fdays = [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
-RRDGraph.months = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ];
-RRDGraph.fmonths = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
-RRDGraph.TMT = { SECOND: 0, MINUTE: 1, HOUR: 2, DAY: 3, WEEK: 4, MONTH: 5 , YEAR: 6 };
-
-RRDGraph.prototype = {
-
-    xlab: [ {minsec: 0, length: 0, gridtm: RRDGraph.TMT.SECOND, gridst: 30, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 5, labtm: RRDGraph.TMT.MINUTE, labst: 5, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 2, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 1, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 5, labtm: RRDGraph.TMT.MINUTE, labst: 5, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 5, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 2, mgridtm: RRDGraph.TMT.MINUTE, mgridst: 10, labtm: RRDGraph.TMT.MINUTE, labst: 10, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 10, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 5,mgridtm: RRDGraph.TMT.MINUTE, mgridst: 20, labtm: RRDGraph.TMT.MINUTE, labst: 20, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 30, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 10, mgridtm: RRDGraph.TMT.HOUR, mgridst: 1, labtm: RRDGraph.TMT.HOUR, labst: 1, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 60, length: 0, gridtm: RRDGraph.TMT.MINUTE, gridst: 30, mgridtm: RRDGraph.TMT.HOUR, mgridst: 2, labtm: RRDGraph.TMT.HOUR, labst: 2, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }} ,
-        {minsec: 60, length: 24 * 3600, gridtm: RRDGraph.TMT.MINUTE, gridst: 30, mgridtm: RRDGraph.TMT.HOUR, mgridst: 2, labtm: RRDGraph.TMT.HOUR, labst: 6, precis: 0, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes()); }},
-        {minsec: 180, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 1, mgridtm: RRDGraph.TMT.HOUR, mgridst: 6, labtm: RRDGraph.TMT.HOUR, labst: 6, precis: 0, stst: function (date) { return RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes());}} ,
-        {minsec: 180, length: 24 * 3600, gridtm: RRDGraph.TMT.HOUR, gridst: 1, mgridtm: RRDGraph.TMT.HOUR, mgridst: 6, labtm: RRDGraph.TMT.HOUR, labst: 12, precis: 0, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getHours())+':'+RRDGraph.pad2(date.getMinutes());}} ,
-        {minsec: 600, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 6, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 1, precis: 24 * 3600, stst: function (date) { return RRDGraph.days[date.getDay()];}},
-        {minsec: 1200, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 6, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 1, precis: 24 * 3600, stst: function (date) { return RRDGraph.pad2(date.getDate());}},
-        {minsec: 1800, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 12, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 2, precis: 24 * 3600, stst: function (date) { return RRDGraph.days[date.getDay()]+' '+RRDGraph.pad2(date.getDate());}} ,
-        {minsec: 2400, length: 0, gridtm: RRDGraph.TMT.HOUR, gridst: 12, mgridtm: RRDGraph.TMT.DAY, mgridst: 1, labtm: RRDGraph.TMT.DAY, labst: 2, precis: 24 * 3600,stst: function (date) { return RRDGraph.days[date.getDay()];}} ,
-        {minsec: 3600, length: 0, gridtm: RRDGraph.TMT.DAY, gridst: 1, mgridtm: RRDGraph.TMT.WEEK, mgridst: 1, labtm: RRDGraph.TMT.WEEK, labst: 1, precis: 7 * 24 * 3600, stst: function (date) { return 'Week '+RRDGraph.pad2(date.getWeek());}} ,
-        {minsec: 3 * 3600, length: 0, gridtm: RRDGraph.TMT.WEEK, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 1, labtm: RRDGraph.TMT.WEEK, labst: 2, precis: 7 * 24 * 3600, stst: function (date) { return 'Week '+RRDGraph.pad2(date.getWeek());}} ,
-        {minsec: 6 * 3600, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 1, labtm: RRDGraph.TMT.MONTH, labst: 1, precis: 30 * 24 * 3600, stst: function (date) { return RRDGraph.months[date.getMonth()];}} ,
-        {minsec: 48 * 3600,length:  0, gridtm: RRDGraph.TMT.MONTH, gridst: 1, mgridtm: RRDGraph.TMT.MONTH, mgridst: 3, labtm: RRDGraph.TMT.MONTH, labst: 3, precis: 30 * 24 * 3600, stst: function (date) { return RRDGraph.months[date.getMonth()];}} ,
-        {minsec: 315360, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 3, mgridtm: RRDGraph.TMT.YEAR, mgridst: 1, labtm: RRDGraph.TMT.YEAR, labst: 1, precis: 365 * 24 * 3600,  stst: function (date) { return ''+date.getFullYear();}} ,
-        {minsec: 10 * 24 * 3600 , length: 0, gridtm: RRDGraph.TMT.YEAR, gridst: 1, mgridtm: RRDGraph.TMT.YEAR, mgridst: 1, labtm: RRDGraph.TMT.YEAR, labst: 1, precis: 365 * 24 * 3600,  stst: function (date) { return ('' + date.getFullYear()).substr(2, 4);}} ,
-        {minsec: -1, length: 0, gridtm: RRDGraph.TMT.MONTH, gridst: 0, mgridtm: RRDGraph.TMT.MONTH, mgridst: 0, labtm: RRDGraph.TMT.MONTH, labst: 0, precis: 0, stst: null }
-    ],
-
-    ylab: [ {grid: 0.1, lfac: [1, 2, 5, 10] } ,
-        {grid: 0.2, lfac: [1, 5, 10, 20] } ,
-        {grid: 0.5, lfac: [1, 2, 4, 10] } ,
-        {grid: 1.0, lfac: [1, 2, 5, 10] } ,
-        {grid: 2.0, lfac: [1, 5, 10, 20] } ,
-        {grid: 5.0, lfac: [1, 2, 4, 10] } ,
-        {grid: 10.0, lfac: [1, 2, 5, 10] } ,
-        {grid: 20.0, lfac: [1, 5, 10, 20] } ,
-        {grid: 50.0, lfac: [1, 2, 4, 10] } ,
-        {grid: 100.0, lfac: [1, 2, 5, 10] } ,
-        {grid: 200.0, lfac: [1, 5, 10, 20] } ,
-        {grid: 500.0, lfac: [1, 2, 4, 10] },
-        {grid: 0.0, lfac: [0, 0, 0, 0] }
-    ],
-    si_symbol: [
-        'a',                /* 10e-18 Atto */
-        'f',                /* 10e-15 Femto */
-        'p',                /* 10e-12 Pico */
-        'n',                /* 10e-9  Nano */
-        'u',                /* 10e-6  Micro */
-        'm',                /* 10e-3  Milli */
-        ' ',                /* Base */
-        'k',                /* 10e3   Kilo */
-        'M',                /* 10e6   Mega */
-        'G',                /* 10e9   Giga */
-        'T',                /* 10e12  Tera */
-        'P',                /* 10e15  Peta */
-        'E'                /* 10e18  Exa */
-    ],
-    si_symbcenter: 6,
-
-    GRC: null,
-
-    GFX_H: { LEFT: 1, RIGHT: 2, CENTER: 3 },
-    GFX_V: { TOP: 1, BOTTOM: 2, CENTER: 3 },
-
-    DEFAULT_FONT: 'DejaVu Sans Mono', //DejaVu Sans Mono ,Bitstream Vera Sans Mono,monospace,Courier',
-// DEFAULT_FONT: 'DejaVuSansMono', //DejaVu Sans Mono ,Bitstream Vera Sans Mono,monospace,Courier',
-// pt -> pt=px*72/96
-    TEXT: null,
-    MGRIDWIDTH: 0.6,
-    GRIDWIDTH: 0.4,
-
-    YLEGEND_ANGLE: 90.0,
-
-    LEGEND_POS: { NORTH: 0, WEST: 1, SOUTH: 2, EAST: 3 },
-    LEGEND_DIR: { TOP_DOWN: 0, BOTTOM_UP: 1 },
-
-    canvas: null,
-    ctx: null,
-    xsize: 400, /* graph area size in pixels */
-    ysize: 100,
-    ylegend: null, /* legend along the yaxis */
-    title: '', /* title for graph */
-    watermark: null, /* watermark for graph */
-    draw_x_grid: true,  /* no x-grid at all */
-    draw_y_grid: true,  /* no y-grid at all */
-    draw_3d_border: 2, /* size of border in pixels, 0 for off */
-    dynamic_labels: false,/* pick the label shape according to the line drawn */
-    grid_dash_on: 1,
-    grid_dash_off: 1,
-    xlab_form: null,   /* format for the label on the xaxis */
-    second_axis_scale: 0, /* relative to the first axis (0 to disable) */
-    second_axis_shift: 0, /* how much is it shifted vs the first axis */
-    second_axis_legend: null, /* label to put on the seond axis */
-    second_axis_format: null, /* format for the numbers on the scond axis */
-    ygridstep: Number.NaN,    /* user defined step for y grid */
-    ylabfact: 0, /* every how many y grid shall a label be written ? */
-    tabwidth: 40, /* tabwdith */
-    start: 0,   /* what time does the graph cover */
-    start_t: null,
-    end: 0,
-    end_t: null,
-    step: 0, /* any preference for the default step ? */
-    setminval: Number.NaN, /* extreme values in the data */
-    setmaxval: Number.NaN,
-    minval: Number.NaN, /* extreme values in the data */
-    maxval: Number.NaN,
-    rigid: false,    /* do not expand range even with values outside */
-    gridfit: true, /* adjust y-axis range etc so all grindlines falls in integer pixel values */
-    lazy: 0,     /* only update the image if there is reasonable probablility that the existing one is out of date */
-    slopemode: false,    /* connect the dots of the curve directly, not using a stair */
-    legendposition: 0, /* the position of the legend: north, west, south or east */
-    legenddirection: 0, /* The direction of the legend topdown or bottomup */
-    logarithmic: false,  /* scale the yaxis logarithmic */
-    force_scale_min: 0,  /* Force a scale--min */
-    force_scale_max: 0,  /* Force a scale--max */
-    /* status information */
-    //with_markup: 0,
-    xorigin: 0, /* where is (0,0) of the graph */
-    yorigin: 0,
-    xOriginTitle: 0, /* where is the origin of the title */
-    yOriginTitle: 0,
-    xOriginLegendY: 0, /* where is the origin of the y legend */
-    yOriginLegendY: 0,
-    xOriginLegendY2: 0, /* where is the origin of the second y legend */
-    yOriginLegendY2: 0,
-    xOriginLegend: 0, /* where is the origin of the legend */
-    yOriginLegend: 0,
-    ximg: 0, /* total size of the image */
-    yimg: 0,
-    legendwidth: 0, /* the calculated height and width of the legend */
-    legendheight: 0,
-    zoom: 1,
-    magfact: 0,  /* numerical magnitude */
-    base: 1000,     /* 1000 or 1024 depending on what we graph */
-    symbol: null,   /* magnitude symbol for y-axis */
-    viewfactor: 1.0,  /* how should the numbers on the y-axis be scaled for viewing ? */
-    unitsexponent: 9999,   /* 10*exponent for units on y-asis */
-    unitslength: 6,  /* width of the yaxis labels */
-    forceleftspace: false,   /* do not kill the space to the left of the y-axis if there is no grid */
-
-    alt_ygrid: false, /* use alternative y grid algorithm */
-    alt_autoscale: false, /* use alternative algorithm to find lower and upper bounds */
-    alt_autoscale_min: false, /* use alternative algorithm to find lower bounds */
-    alt_autoscale_max: false, /* use alternative algorithm to find upper bounds */
-    no_legend: false, /* use no legend */
-    no_minor: false, /* Turn off minor gridlines */
-    only_graph: false, /* use only graph */
-    force_rules_legend: false, /* force printing of HRULE and VRULE legend */
-    force_units: false,   /* mask for all FORCE_UNITS_* flags */
-    force_unit_si: false, /* force use of SI units in Y axis (no effect in linear graph, SI instead of E in log graph) */
-    full_size_mode: false, /* -width and -height indicate the total size of the image */
-    no_rrdtool_tag: false, /* disable the rrdtool tag */
-
-    xlab_user: null,
-    ygrid_scale:  null,
-
-    gdes: null,
-
-    ytr_pixie: 0,
-    xtr_pixie: 0,
-
-    rrdfiles: null,
-
-    init: function (canvasId)
-    {
-        this.canvas = document.getElementById(canvasId);
-        this.ctx = this.canvas.getContext('2d');
-
-        this.AlmostEqualBuffer = new ArrayBuffer(Float32Array.BYTES_PER_ELEMENT*2);
-        this.AlmostEqualInt = new Int32Array(this.AlmostEqualBuffer);
-        this.AlmostEqualFloat = new Float32Array(this.AlmostEqualBuffer);
-
-        this.legenddirection = this.LEGEND_DIR.TOP_DOWN;
-        this.legendposition = this.LEGEND_POS.SOUTH;
-        this.gdes = [];
-        this.rrdfiles = {};
-        this.TEXT = {	DEFAULT: { size: 11, font: this.DEFAULT_FONT },
-                                    TITLE: { size: 12, font: this.DEFAULT_FONT },
-                                    AXIS: { size: 10, font: this.DEFAULT_FONT },
-                                    UNIT: { size: 11, font: this.DEFAULT_FONT },
-                                    LEGEND: { size: 11, font: this.DEFAULT_FONT },
-                                    WATERMARK: { size: 8, font: this.DEFAULT_FONT } };
-        this.GRC = {    CANVAS: 'rgba(255, 255, 255, 1.0)',
-                                    BACK: 'rgba(242,242, 242, 1.0)',
-                                    SHADEA: 'rgba(207, 207, 207, 1.0)',
-                                    SHADEB: 'rgba(158, 158, 158, 1.0)',
-                                    GRID: 'rgba(143, 143, 143, 0.75)',
-                                    MGRID: 'rgba(222, 79, 79, 0.60)',
-                                    FONT: 'rgba(0, 0, 0, 1.0)',
-                                    ARROW: 'rgba(127, 31, 31, 1.0)',
-                                    AXIS: 'rgba(31, 31, 31, 1.0)',
-                                    FRAME: 'rgba(0, 0, 0, 1.0)' };
-
-
-        this.start_t = new RRDTime("end-24h");
-        this.end_t = new RRDTime("now");
-    },
-    set_default_font: function (name)
-    {
-        for (var font in this.TEXT)
-            this.TEXT[font].font = name;
-    },
-    set_option: function(option, value)
-    {
-        switch(option) {
-            case 'alt-autoscale':
-            case 'A':
-                this.alt_autoscale = true;
-                break;
-            case 'base':
-            case 'b':
-                this.base = parseInt(value, 10);
-                if (this.base !== 1000 && this.base !== 1024)
-                    throw 'the only sensible value for base apart from 1000 is 1024';
-                break;
-            case 'color':
-            case 'c':
-                var index = value.indexOf('#');
-                if (index === -1)
-                    throw "invalid color def format";
-                var name = value.substr(0,index);
-                if (!this.GRC[name])
-                    throw "invalid color name '"+name+"'";
-                this.GRC[name] = value.substr(index); // FIXME check color
-                break;
-            case 'full-size-mode':
-            case 'D':
-                this.full_size_mode = true;
-                break;
-            case 'slope-mode':
-            case 'E':
-                this.slopemode = true;
-                break;
-            case 'end':
-            case 'e':
-                this.end_t = new RRDTime(value);
-//				this.end = parseInt(value);
-                break;
-            case 'force-rules-legend':
-            case 'F':
-                this.force_rules_legend = true;
-                break;
-            case 'imginfo':
-            case 'f':
-                // im->imginfo = optarg;
-                break;
-            case 'graph-render-mode':
-            case 'G':
-             // im->graph_antialias
-                break;
-            case 'no-legend':
-            case 'g':
-                this.no_legend = true;
-                break;
-            case 'height':
-            case 'h':
-                this.ysize = parseInt(value, 10);
-                break;
-            case 'no-minor':
-            case 'I':
-                this.no_minor = false;
-                break;
-            case 'interlaced':
-            case 'i':
-                break;
-            case 'alt-autoscale-min':
-            case 'J':
-                this.alt_autoscale_min = true;
-                break;
-            case 'only-graph':
-            case 'j':
-                this.only_graph = true;
-                break;
-            case 'units-length':
-            case 'L':
-                this.unitslength = parseInt(value, 10);
-                this.forceleftspace = true;
-                break;
-            case 'lower-limit':
-            case 'l':
-                this.setminval = parseFloat(value);
-                break;
-            case 'alt-autoscale-max':
-            case 'M':
-                this.alt_autoscale_max = true;
-                break;
-            case 'zoom':
-            case 'm':
-                this.zoom = parseFloat(value);
-                if (this.zoom <= 0.0)
-                    throw "zoom factor must be > 0";
-                break;
-            case 'no-gridfit':
-            case 'N':
-                this.gridfit = true;
-                break;
-            case 'font':
-            case 'n':
-                var args = value.split(':');
-                if (args.length !== 3)
-                    throw "invalid text property format";
-                if (!this.TEXT[args[0]])
-                    throw "invalid fonttag '"+args[0]+"'";
-                if (args[1] > 0)
-                    this.TEXT[args[0]].size = args[1];
-                if (args[2])
-                    this.TEXT[args[0]].font = args[2];
-                break;
-            case 'logarithmic':
-            case 'o':
-                this.logarithmic = true;
-                break;
-            case 'pango-markup':
-            case 'P':
-                // im->with_markup = 1;
-                break;
-            case 'font-render-mode':
-            case 'R':
-                // im->font_options: normal light mono
-                break;
-            case 'rigid':
-            case 'r':
-                this.rigid = true;
-                break;
-            case 'step':
-                this.step = parseInt(value, 10);
-                break;
-            case 'start':
-            case 's':
-                this.start_t = new RRDTime(value);
-                //this.start = parseInt(value);
-                break;
-            case 'tabwidth':
-            case 'T':
-                this.tabwidth = parseFloat(value);
-                break;
-            case 'title':
-            case 't':
-                this.title = value;
-                break;
-            case 'upper-limit':
-            case 'u':
-                this.setmaxval = parseFloat(value);
-                break;
-            case 'vertical-label':
-            case 'v':
-                this.ylegend = value;
-                break;
-            case 'watermark':
-            case 'W':
-                this.watermark = value;
-                break;
-            case 'width':
-            case 'w':
-                this.xsize = parseInt(value, 10);
-                if (this.xsize < 10)
-                    throw "width below 10 pixels";
-                break;
-            case 'units-exponent':
-            case 'X':
-                this.unitsexponent = parseInt(value, 10);
-                break;
-            case 'x-grid':
-            case 'x':
-                if (value === 'none')  {
-                    this.draw_x_grid = false;
-                } else {
-                    var args = value.split(':');
-                    if (args.length !== 8)
-                        throw "invalid x-grid format";
-                    this.xlab_user.gridtm = this.tmt_conv(args[0]);
-                    if (this.xlab_user.gridtm < 0)
-                        throw "unknown keyword "+args[0];
-                    this.xlab_user.gridst = parseInt(args[1], 10);
-                    this.xlab_user.mgridtm = this.tmt_conv(args[2]);
-                    if (this.xlab_user.mgridtm < 2)
-                        throw "unknown keyword "+args[2];
-                    this.xlab_user.mgridst = parseInt(args[3], 10);
-                    this.xlab_user.labtm = this.tmt_conv(args[4]);
-                    if (this.xlab_user.labtm < 0)
-                        throw "unknown keyword "+args[4];
-                    this.xlab_user.labst = parseInt(args[5], 10);
-                    this.xlab_user.precis = parseInt(args[6], 10);
-                    this.xlab_user.minsec = 1;
-                    this.xlab_form = args[7]; // FIXME : ? join(:)
-                    this.xlab_user.stst = this.xlab_form;
-                }
-                break;
-            case 'alt-y-grid':
-            case 'Y':
-                this.alt_y_grid = true;
-                break;
-            case 'y-grid':
-            case 'y':
-                if (value === 'none')  {
-                    this.draw_y_grid = false;
-                } else {
-                    var index = value.indexOf(':');
-                    if (index === -1)
-                        throw "invalid y-grid format";
-                    this.ygridstep = parseFloat(value.substr(0,index));
-                    if (this.ygridstep <= 0)
-                        throw "grid step must be > 0";
-                    this.ylabfact = parseInt(value.substr(index+1), 10);
-                    if (this.ylabfact < 1)
-                        throw "label factor must be > 0";
-                }
-                break;
-            case 'lazy':
-            case 'z':
-                this.lazy = 1;
-                break;
-            case 'units':
-                if (this.force_units)
-                    throw "--units can only be used once!";
-                if (value === 'si')
-                    this.force_units_si = true;
-                else
-                    throw "invalid argument for --units: "+value;
-                break;
-            case 'alt-y-mrtg':
-                break;
-            case 'disable-rrdtool-tag':
-                this.no_rrdtool_tag = true;
-                break;
-            case 'right-axis':
-                var index = value.indexOf(':');
-                if (index === -1)
-                    throw "invalid right-axis format expected scale:shift";
-                this.second_axis_scale = parseFloat(value.substr(0,index));
-                if(this.second_axis_scale === 0)
-                    throw "the second_axis_scale  must not be 0";
-                this.second_axis_shift = parseFloat(value.substr(index+1));
-                break;
-            case 'right-axis-label':
-                this.second_axis_legend = value;
-                break;
-            case 'right-axis-format':
-                this.second_axis_format = value;
-                break;
-            case 'legend-position':
-                if (value === "north") {
-                    this.legendposition = this.LEGEND_POS.NORTH;
-                } else if (value === "west") {
-                    this.legendposition = this.LEGEND_POS.WEST;
-                } else if (value === "south") {
-                    this.legendposition = this.LEGEND_POS.SOUTH;
-                } else if (value === "east") {
-                    this.legendposition = this.LEGEND_POS.EAST;
-                } else {
-                    throw "unknown legend-position '"+value+"'";
-                }
-                break;
-            case 'legend-direction':
-                if (value === "topdown") {
-                    this.legenddirection = this.LEGEND_DIR.TOP_DOWN;
-                } else if (value === "bottomup") {
-                    this.legenddirection = this.LEGEND_DIR.BOTTOM_UP;
-                } else {
-                    throw "unknown legend-position '"+value+"'";
-                }
-                break;
-            case 'border':
-                this.draw_3d_border = parseInt(value, 10);
-                break;
-            case 'grid-dash':
-                var index = value.indexOf(':');
-                if (index === -1)
-                    throw "expected grid-dash format float:float";
-                this.grid_dash_on = parseFloat(value.substr(0,index));
-                this.grid_dash_off = parseFloat(value.substr(index+1));
-                break;
-            case 'dynamic-labels':
-                this.dynamic_labels = true;
-                break;
-            default:
-                throw 'Unknow option "'+option+'"';
-        }
-
-    },
-    parse_color: function(str)
-    {
-        var bits;
-        if ((bits = /^#?([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])$/.exec(str))) {
-            return [
-                parseInt(bits[1] + bits[1], 16),
-                parseInt(bits[2] + bits[2], 16),
-                parseInt(bits[3] + bits[3], 16),
-                1.0];
-        } else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) {
-            return [
-                parseInt(bits[1], 16),
-                parseInt(bits[2], 16),
-                parseInt(bits[3], 16),
-                1.0];
-        } else if ((bits = /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/.exec(str))) {
-            return [
-                parseInt(bits[1], 16),
-                parseInt(bits[2], 16),
-                parseInt(bits[3], 16),
-                parseInt(bits[4], 16)/255];
-        } else if ((bits = /^rgb\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\)$/.exec(str))) {
-            return [
-                parseInt(bits[1], 10),
-                parseInt(bits[2], 10),
-                parseInt(bits[3], 10),
-                1.0];
-        } else if ((bits = /^rgba\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*([0-9.]+)\)$/.exec(str))) {
-            return [
-                parseInt(bits[1], 10),
-                parseInt(bits[2], 10),
-                parseInt(bits[3], 10),
-                parseFloat(bits[4]), 10];
-        } else {
-            throw "Unknown color format '" + str + "'";
-        }
-    },
-    color2rgba: function (color)
-    {
-        return 'rgba('+color[0]+','+color[1]+','+color[2]+','+color[3]+')';
-    },
-    cmdline: function(line) // FIXME
-    {
-        var i = 0;
-        line = line.replace(/\n/g," ");
-        var lines = line.match(/[^" ]+|"[^"]+"/g);
-        var len = lines.length;
-
-        while (i < len) {
-            var arg = lines[i];
-            if (arg.charAt(0) === '"' && arg.charAt(arg.length-1) === '"')
-                arg = arg.substr(1,arg.length-2);
-            if (/^LINE[0-9.]+:/.test(arg)) {
-                this.parse_line(arg);
-            } else if (/^AREA:/.test(arg)) {
-                this.parse_area(arg);
-            } else if (/^DEF:/.test(arg)) {
-                this.parse_def(arg);
-            } else if (/^CDEF:/.test(arg)) {
-                this.parse_cdef(arg);
-            } else if (/^VDEF:/.test(arg)) {
-                this.parse_vdef(arg);
-            } else if (/^GPRINT:/.test(arg)) {
-                this.parse_gprint(arg);
-            } else if (/^COMMENT:/.test(arg)) {
-                this.parse_comment(arg);
-            } else if (/^VRULE:/.test(arg)) {
-                this.parse_vrule(arg);
-            } else if (/^HRULE:/.test(arg)) {
-                this.parse_hrule(arg);
-            } else if (/^TICK:/.test(arg)) {
-                this.parse_tick(arg);
-            } else if (/^TEXTALIGN:/.test(arg)) {
-                this.parse_textaling(arg);
-            } else if (/^SHIFT:/.test(arg)) {
-                this.parse_shift(arg);
-      } else if (arg.charAt(0) === '-') {
-                var strip = 1;
-                if (arg.length > 1 && arg.charAt(1) === '-') {
-                    strip = 2;
-                }
-                var option = arg.substr(strip);
-                var value = undefined;
-
-                if (option.indexOf('=') !== -1) {
-                    var index = option.indexOf('=');
-                    value = option.substr(index+1);
-                    option = option.substr(0,index);
-                } else if (i+1 < len) {
-                    if (lines[i+1].charAt(0) !== '-' &&
-                            !/^"?LINE[0-9.]+:/.test(lines[i+1]) &&
-                            !/^"?AREA:/.test(lines[i+1]) &&
-                            !/^"?DEF:/.test(lines[i+1]) &&
-                            !/^"?CDEF:/.test(lines[i+1]) &&
-                            !/^"?VDEF:/.test(lines[i+1]) &&
-                            !/^"?GPRINT:/.test(lines[i+1]) &&
-                            !/^"?COMMENT:/.test(lines[i+1]) &&
-                            !/^"?HRULE:/.test(lines[i+1]) &&
-                            !/^"?VRULE:/.test(lines[i+1]) &&
-                            !/^"?TICK:/.test(lines[i+1]) &&
-                            !/^"?TEXTALING:/.test(lines[i+1]) &&
-                            !/^"?SHIFT:/.test(lines[i+1])
-                            ) {
-                        i++;
-                        if (lines[i].charAt(0) === '"' && lines[i].charAt(lines[i].length-1) === '"')
-                            value = lines[i].substr(1,lines[i].length-2);
-                        else
-                            value = lines[i];
-                    }
-                }
-                this.set_option(option, value);
-            } else {
-                throw "Unknow argument: "+arg;
-            }
-            i++;
-        }
-        var start_end = RRDTime.proc_start_end(this.start_t, this.end_t); // FIXME here?
-        this.start = start_end[0];
-        this.end = start_end[1];
-    },
-    sprintf: function()
-    {
-        var argc = 0;
-        var args = arguments;
-        var fmt = args[argc++];
-
-        function format (match, width, dot, precision, length, conversion)
-        {
-            if (match === '%%') return '%';
-
-            var value = args[argc++];
-            var prefix;
-
-            if (width === undefined)
-                width = 0;
-            else
-                width = +width;
-
-            if (precision === undefined)
-                precision = conversion == 'd' ? 0 : 6;
-            else
-                precision = +precision;
-
-            switch (conversion) {
-                case 's':
-                case 'c':
-                    return value;
-                    break;
-                case 'd':
-                    return parseInt(value, 10);
-                    break;
-                case 'e':
-                    prefix = value < 0 ? '-' : '';
-                    return RRDGraph.lpad(prefix+Math.abs(value).toExponential(precision),' ',width);
-                    break;
-                case 'f':
-                    prefix = value < 0 ? '-' : '';
-                    return RRDGraph.lpad(prefix+Math.abs(value).toFixed(precision),' ',width);
-                    break;
-                case 'g':
-                    prefix = value < 0 ? '-' : '';
-                    return RRDGraph.lpad(prefix+Math.abs(value).toPrecision(precision),' ',width);
-                    break;
-                default:
-                    return match;
-            }
-
-        };
-        return fmt.replace(/%(\d+)?(\.(\d+))?(l?)([%scdfeg])/g,format);
-    },
-    strftime: function (ftm, time)
-    {
-        var d = new Date(time*1000);
-
-        function format(match, opt)
-        {
-            if (match === '%%') return '%';
-
-            switch (opt) {
-                case 'a':
-                    return RRDGraph.days[d.getDay()];
-                    break;
-                case 'A':
-                    return RRDGraph.fdays[d.getDay()];
-                    break;
-                case 'b':
-                    return RRDGraph.months[d.getMonth()];
-                    break;
-                case 'B':
-                    return RRDGraph.fmonths[d.getMonth()];
-                    break;
-                case 'c':
-                    return d.toLocaleString();
-                    break;
-                case 'd':
-                    return RRDGraph.pad2(d.getDate());
-                    break;
-                case 'H':
-                    return RRDGraph.pad2(d.getHours());
-                    break;
-                case 'I':
-                    var hours = d.getHours()%12;
-                    return RRDGraph.pad2(hours === 0 ? 12 : hours);
-                    break;
-                case 'j':
-                    var d01 = new Date (date.getFullYear(), 0, 1);
-                    return RRDGraph.pad3(Math.ceil((d01.getTime()-d.getTime())/86400000));
-                    break;
-                case 'm':
-                    return RRDGraph.pad2(d.getMonth());
-                    break;
-                case 'M':
-                    return RRDGraph.pad2(d.getMinutes());
-                    break;
-                case 'p':
-                    return d.getHours() >= 12 ? 'PM' : 'AM';
-                    break;
-                case 's':
-                    return RRDGraph.pad2(d.getSeconds());
-                    break;
-                case 'S':
-                    return d.getTime()/1000;
-                    break;
-//%U The week number of the current year as a decimal number, range 00 to 53, starting with the first Sunday as the first day of week 01. See also %V and %W.
-                case 'U':
-                    var d01 = new Date(this.getFullYear(),0,1);
-                    return RRDGraph.pad2(Math.ceil((((d.getTime() - d01.getTime()) / 86400000) + d01.getDay()+1)/7)); // FIXME weeks
-                    break;
-//%V The ISO 8601:1988 week number of the current year as a decimal number, range 01 to 53, where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week. See also %U and %W.
-                case 'V':
-                    var d01 = new Date(this.getFullYear(),0,1); // FIXME weeks
-                    break;
-//%W The week number of the current year as a decimal number, range 00 to 53, starting with the first Monday as the first day of week 01.
-                case 'w':
-                    return d.getDay();
-                    break;
-                case 'W': // FIXME weeks
-                    break;
-                case 'x':
-                    return RRDGraph.pad2(d.getDate())+'/'+RRDGraph.pad2(d.getMonth())+'/'+d.getFullYear();
-                    break;
-                case 'X':
-                    return RRDGraph.pad2(d.getHours())+':'+RRDGraph.pad2(d.getMinutes())+':'+RRDGraph.pad2(d.getSeconds());
-                    break;
-                case 'y':
-                    return RRDGraph.pad2(d.getFullYear()%100);
-                    break;
-                case 'Y':
-                    return d.getFullYear();
-                    break;
-                case 'Z':
-                    return d.toString().replace(/^.*\(([^)]+)\)$/, '$1');
-                    break;
-                default:
-                    return match;
-            }
-        };
-        return fmt.replace(/%([aAbBcdHIjmMpsSUVwWxXyYZ%])/g, format);
-    },
-    gfx_line: function (X0, Y0, X1, Y1, width, color)
-    {
-        X0 = Math.round(X0);
-        Y0 = Math.round(Y0);
-        X1 = Math.round(X1);
-        Y1 = Math.round(Y1);
-
-        if (Y0 === Y1) {
-            Y0 += 0.5;
-            Y1 += 0.5;
-        } else if (X0 === X1) {
-            X0 += 0.5;
-            X1 += 0.5;
-        }
-
-        this.ctx.save();
-        this.ctx.lineWidth = width;
-        this.ctx.strokeStyle = color;
-        this.ctx.beginPath();
-        this.ctx.moveTo(X0, Y0);
-        this.ctx.lineTo(X1, Y1);
-        this.ctx.stroke();
-        this.ctx.restore();
-    },
-    gfx_dashed_line: function (X0, Y0, X1, Y1, width, color, dash_on, dash_off)
-    {
-        X0 = Math.round(X0);
-        Y0 = Math.round(Y0);
-        X1 = Math.round(X1);
-        Y1 = Math.round(Y1);
-
-        this.ctx.save();
-        this.ctx.lineWidth = width;
-        this.ctx.strokeStyle = color;
-
-        this.ctx.beginPath();
-        if (Y0 === Y1) {
-            Y0 += 0.5;
-            Y1 += 0.5;
-            if (X0 > X1) {
-                var swap = X0;
-                X0 = X1;
-                X1 = swap;
-            }
-            this.ctx.moveTo(X0, Y0);
-            var n=0;
-            while(X0<=X1) {
-                if (n%2 === 1) {
-                    X0 += dash_on;
-                    this.ctx.lineTo(X0, Y0);
-                } else {
-                    X0 += dash_off;
-                    this.ctx.moveTo(X0, Y0);
-                }
-                n++;
-            }
-        } else if (X0 === X1) {
-            X0 += 0.5;
-            X1 += 0.5;
-            if (Y0 > Y1) {
-                var swap = Y0;
-                Y0 = Y1;
-                Y1 = swap;
-            }
-            this.ctx.moveTo(X0, Y0);
-            var n=0;
-            while(Y0<=Y1) {
-                if (n%2 === 1) {
-                    Y0 += dash_on;
-                    this.ctx.lineTo(X0, Y0);
-                } else {
-                    Y0 += dash_off;
-                    this.ctx.moveTo(X0, Y0);
-                }
-                n++;
-            }
-
-        } else {
-            this.ctx.moveTo(X0, Y0);
-            this.ctx.lineTo(X1, Y1);
-        }
-        this.ctx.stroke();
-        this.ctx.restore();
-    },
-    gfx_new_area: function (X0, Y0, X1, Y1, X2, Y2, color)
-    {
-        X0 = Math.round(X0)+0.5;
-        Y0 = Math.round(Y0)+0.5;
-        X1 = Math.round(X1)+0.5;
-        Y1 = Math.round(Y1)+0.5;
-        X2 = Math.round(X2)+0.5;
-        Y2 = Math.round(Y2)+0.5;
-        this.ctx.fillStyle = color;
-        this.ctx.beginPath();
-        this.ctx.moveTo(X0, Y0);
-        this.ctx.lineTo(X1, Y1);
-        this.ctx.lineTo(X2, Y2);
-    },
-    gfx_add_point: function (x, y)
-    {
-        this.ctx.lineTo(x, y);
-    },
-    gfx_close_path: function ()
-    {
-        this.ctx.closePath();
-        this.ctx.fill();
-    },
-    gfx_text: function (x, y, color, font, tabwidth, angle, h_align, v_align, text)
-    {
-        x = Math.round(x);
-        y = Math.round(y);
-
-        this.ctx.save();
-        this.ctx.font = font.size+'px '+"'"+font.font+"'";
-
-        switch (h_align) {
-            case this.GFX_H.LEFT:
-                this.ctx.textAlign = 'left';
-                break;
-            case this.GFX_H.RIGHT:
-                this.ctx.textAlign = 'right';
-                break;
-            case this.GFX_H.CENTER:
-                this.ctx.textAlign = 'center';
-                break;
-        }
-
-        switch (v_align) {
-            case this.GFX_V.TOP:
-                this.ctx.textBaseline = 'top';
-                break;
-            case this.GFX_V.BOTTOM:
-                this.ctx.textBaseline = 'bottom';
-                break;
-            case this.GFX_V.CENTER:
-                this.ctx.textBaseline = 'middle';
-                break;
-        }
-
-        this.ctx.fillStyle = color;
-        this.ctx.translate(x,y);
-        this.ctx.rotate(-angle*Math.PI/180.0);
-        this.ctx.fillText(text, 0, 0);
-        this.ctx.restore();
-    },
-    gfx_get_text_width: function( start, font, tabwidth, text)
-    {
-        this.ctx.save();
-        this.ctx.font = font.size+"px "+font.font;
-        var width = this.ctx.measureText(text);
-        this.ctx.restore();
-        return width.width;
-    },
-    xtr: function (mytime)
-    {
-        if (mytime === 0) {
-            this.xtr_pixie = this.xsize / (this.end - this.start);
-            return this.xorigin;
-        }
-        return this.xorigin + this.xtr_pixie * (mytime - this.start);
-    },
-    ytr: function (value)
-    {
-        var yval;
-
-        if (isNaN(value)) {
-            if (!this.logarithmic)
-                this.ytr_pixie = this.ysize / (this.maxval - this.minval);
-            else
-                this.ytr_pixie = this.ysize / ((Math.log(this.maxval)/Math.LN10) - (Math.log(this.minval)/Math.LN10));
-            yval = this.yorigin;
-        } else if (!this.logarithmic) {
-            yval = this.yorigin - this.ytr_pixie * (value - this.minval);
-        } else {
-            if (value < this.minval) {
-                yval = this.yorigin;
-            } else {
-                yval = this.yorigin - this.ytr_pixie * ((Math.log(value)/Math.LN10) - (Math.log(this.minval)/Math.LN10));
-            }
-        }
-        return yval;
-    },
-    // http://stackoverflow.com/questions/3077718/converting-a-decimal-value-to-a-32bit-floating-point-hexadecimal
-    floatToIntBits: function (f)
-    {
-        var NAN_BITS = 0|0x7FC00000;
-        var INF_BITS = 0|0x7F800000;
-        var ZERO_BITS = 0|0x00000000;
-        var SIGN_MASK = 0|0x80000000;
-        var EXP_MASK = 0|0x7F800000;
-        var MANT_MASK = 0|0x007FFFFF;
-        var MANT_MAX = Math.pow(2.0, 23) - 1.0;
-
-        if (f != f)
-            return NAN_BITS;
-        var hasSign = f < 0.0 || (f == 0.0 && 1.0 / f < 0);
-        var signBits = hasSign ? SIGN_MASK : 0;
-        var fabs = Math.abs(f);
-
-        if (fabs == Number.POSITIVE_INFINITY)
-            return signBits | INF_BITS;
-
-        var exp = 0, x = fabs;
-        while (x >= 2.0 && exp <= 127) {
-            exp++;
-            x /= 2.0;
-        }
-        while (x < 1.0 && exp >= -126) {
-            exp--;
-            x *= 2.0;
-        }
-    if (!(x * Math.pow(2.0, exp) == fabs)) throw "floatToIntBits: error fabs.";
-        var biasedExp = exp + 127;
-    if (!(0 <= biasedExp && biasedExp <= 254)) throw "floatToIntBits: error biasedExp "+biasedExp;
-
-        if (biasedExp == 255)
-            return signBit | INF_BITS;
-        if (biasedExp == 0) {
-            if (!(0.0 <= x && x < 2.0)) throw "floatToIntBits: x in [0.0, 1.0) "+x;
-            var mantissa = x * Math.pow(2.0, 23) / 2.0;
-        } else {
-            if (!(1.0 <= x && x < 2.0)) throw "floatToIntBits: x in [0.5; 1.0) "+x;
-            var mantissa = x * Math.pow(2.0, 23) - Math.pow(2.0, 23);
-    }
-        var mantissaBits = mantissa & MANT_MASK;
-        if (!(0.0 <= mantissaBits && mantissaBits <= MANT_MAX)) throw "floatToIntBits: mantissa in [0.0, 2^23) "+mantissa+" MANT_MAX "+MANT_MAX+" "+(mantissa & MANT_MASK);
-
-        //console.log("number", f, "x", x, "biasedExp", biasedExp, "mantissa", mantissa.toString(16));
-        var expBits = (biasedExp << 23) & EXP_MASK;
-
-    //console.log("number", f, "sign", signBits.toString(16), "expBits", expBits.toString(16), "mantissaBits", mantissaBits.toString(16));
-        return signBits | expBits | mantissaBits;
-    },
-/*
-    AlmostEqual2sComplement: function(A, B, maxUlps)
-    {
-        var aInt = this.floatToIntBits(A);
-        if (aInt < 0) aInt = 0x80000000 - aInt;
-
-        var bInt = this.floatToIntBits(B);
-        if (bInt < 0) bInt = 0x80000000 - bInt;
-
-        var intDiff = Math.abs(aInt - bInt);
-
-        if (intDiff <= maxUlps)
-            return true;
-
-        return false;
-    },
-*/
-    AlmostEqual2sComplement: function(A, B, maxUlps)
-    {
-
-        this.AlmostEqualFloat[0] = A;
-        this.AlmostEqualFloat[1] = B;
-
-        var aInt = this.AlmostEqualInt[0];
-        if (aInt < 0) aInt = 0x80000000 - aInt;
-
-        var bInt = this.AlmostEqualInt[1];
-        if (bInt < 0) bInt = 0x80000000 - bInt;
-
-        var intDiff = Math.abs(aInt - bInt);
-
-        if (intDiff <= maxUlps)
-            return true;
-
-        return false;
-    },
-/*
-//AlmostEqualRelative
-//AlmostEqualRelativeOrAbsolute
-    AlmostEqual2sComplement: function(A, B, error) // FIXME may not work, maxUpls???
-    {
-        error = 0.00001
-
-        if (A == B)
-            return true;
-
-        var relerror;
-    if (Math.abs(B) > Math.abs(A))
-            relerror = Math.abs((A - B) / B);
-        else
-            relerror = Math.abs((A - B) / A);
-
-        if (relerror <= error)
-            return true;
-//console.log("AlmostEqual2sComplement("+A+","+B+"): Math.abs(A - B):"+(Math.abs(A - B))+" < "+maxUlps+" relativeError: "+error);
-        return false;
-    },
-*/
-    tmt2str: function (val)
-    {
-        switch (val) {
-            case RRDGraph.TMT.SECOND: return 'sec';
-            case RRDGraph.TMT.MINUTE: return 'min';
-            case RRDGraph.TMT.HOUR: return 'hour';
-            case RRDGraph.TMT.DAY: return 'day';
-            case RRDGraph.TMT.WEEK: return 'week';
-            case RRDGraph.TMT.MONTH: return 'mon';
-            case RRDGraph.TMT.YEAR: return 'year';
-        }
-        return val;
-    },
-    find_first_time: function(start, baseint, basestep)
-    {
-        var date = new Date(start*1000);
-
-        switch (baseint) {
-            case RRDGraph.TMT.SECOND:
-                var sec = date.getSeconds();
-                sec -= sec % basestep;
-                date.setSeconds(sec);
-                break;
-            case RRDGraph.TMT.MINUTE:
-                date.setSeconds(0);
-                var min = date.getMinutes();
-                min -= min % basestep;
-                date.setMinutes(min);
-                break;
-            case RRDGraph.TMT.HOUR:
-                date.setSeconds(0);
-                date.setMinutes(0);
-                var hour = date.getHours();
-                hour -= hour % basestep;
-                date.setHours(hour);
-                break;
-            case RRDGraph.TMT.DAY:
-                date.setSeconds(0);
-                date.setMinutes(0);
-                date.setHours(0);
-                break;
-            case RRDGraph.TMT.WEEK:
-                date.setSeconds(0);
-                date.setMinutes(0);
-                date.setHours(0);
-                var mday = date.getDate();
-                var wday = date.getDay();
-                mday -= wday - 1; // FIXME find_first_weekday
-                if (wday === 0) mday -= 7;// FIXME find_first_weekday
-                date.setDate(mday);
-                break;
-            case RRDGraph.TMT.MONTH:
-                date.setSeconds(0);
-                date.setMinutes(0);
-                date.setHours(0);
-                date.setDate(1);
-                var mon = date.getMonth();
-                mon -= mon % basestep;
-                date.setMonth(mon);
-                break;
-            case RRDGraph.TMT.YEAR:
-                date.setSeconds(0);
-                date.setMinutes(0);
-                date.setHours(0);
-                date.setDate(1);
-                date.setMonth(0);
-                var year = date.getFullYear()-1900;
-                year -= (year + 1900) %basestep;
-                date.setFullYear(year+1900);
-        }
-        return Math.round(date.getTime()/1000.0);
-    },
-    find_next_time: function(current, baseint, basestep)
-    {
-        var date = new Date(current*1000);
-        var limit = 2;
-        var madetime;
-
-        switch (baseint) {
-            case RRDGraph.TMT.SECOND: limit = 7200; break;
-            case RRDGraph.TMT.MINUTE: limit = 120; break;
-            case RRDGraph.TMT.HOUR: limit = 2; break;
-            default: limit = 2; break;
-        }
-
-        do {
-            switch (baseint) {
-                case RRDGraph.TMT.SECOND:
-                    date.setSeconds(date.getSeconds()+basestep);
-                    break;
-                case RRDGraph.TMT.MINUTE:
-                    date.setMinutes(date.getMinutes()+basestep);
-                    break;
-                case RRDGraph.TMT.HOUR:
-                    date.setHours(date.getHours()+basestep);
-                    break;
-                case RRDGraph.TMT.DAY:
-                    date.setDate(date.getDate()+basestep);
-                    break;
-                case RRDGraph.TMT.WEEK:
-                    date.setDate(date.getDate()+7*basestep);
-                    break;
-                case RRDGraph.TMT.MONTH:
-                    date.setMonth(date.getMonth()+basestep);
-                    break;
-                case RRDGraph.TMT.YEAR:
-                    date.setFullYear(date.getFullYear()+basestep);
-                    break;
-            }
-            madetime = Math.round(date.getTime()/1000.0);
-        } while (madetime === -1 && limit-- >= 0);   /* this is necessary to skip impossible times like the daylight saving time skips */ // FIXME ??
-        return madetime;
-    },
-    print_calc: function()
-    {
-        var validsteps;
-        var printval;
-        var tmvdef;
-        var graphelement = 0;
-        var max_ii;
-        var magfact = -1;
-        var si_symb = "";
-        var percent_s;
-        var prline_cnt = 0;
-
-        var now = Math.round((new Date()).getTime() / 1000);
-
-        for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-            var vidx = this.gdes[i].vidx;
-            switch (this.gdes[i].gf) {
-                case RRDGraphDesc.GF.PRINT:
-                case RRDGraphDesc.GF.GPRINT:
-                    if (this.gdes[vidx].gf === RRDGraphDesc.CF.VDEF) { /* simply use vals */
-                        printval = this.gdes[vidx].vf.val;
-                        tmvdef = this.gdes[vidx].vf.when;
-                        // localtime_r(&this.gdes[vidx].vf.when, &tmvdef); // FIXME ?
-                    } else {    /* need to calculate max,min,avg etcetera */
-                        max_ii = ((this.gdes[vidx].end - this.gdes[vidx].start) / this.gdes[vidx].step * this.gdes[vidx].ds_cnt);
-                        printval = Number.NaN;
-                        validsteps = 0;
-
-                        for (var ii = this.gdes[vidx].ds; ii < max_ii; ii += this.gdes[vidx].ds_cnt) {
-                            if (!isFinite(this.gdes[vidx].data[ii])) continue;
-                            if (isNaN(printval)) {
-                                printval = this.gdes[vidx].data[ii];
-                                validsteps++;
-                                continue;
-                            }
-                            switch (this.gdes[i].cf) {
-                                case RRDGraphDesc.CF.HWPREDICT:
-                                case RRDGraphDesc.CF.MHWPREDICT:
-                                case RRDGraphDesc.CF.DEVPREDICT:
-                                case RRDGraphDesc.CF.DEVSEASONAL:
-                                case RRDGraphDesc.CF.SEASONAL:
-                                case RRDGraphDesc.CF.AVERAGE:
-                                validsteps++;
-                                    printval += this.gdes[vidx].data[ii];
-                                    break;
-                                case RRDGraphDesc.CF.MINIMUM:
-                                    printval = Math.min(printval, this.gdes[vidx].data[ii]);
-                                    break;
-                                case RRDGraphDesc.CF.FAILURES:
-                                case RRDGraphDesc.CF.MAXIMUM:
-                                    printval = Math.max(printval, this.gdes[vidx].data[ii]);
-                                    break;
-                                case RRDGraphDesc.CF.LAST:
-                                    printval = this.gdes[vidx].data[ii];
-                            }
-                        }
-                        if (this.gdes[i].cf === RRDGraphDesc.CF.AVERAGE || this.gdes[i].cf > RRDGraphDesc.CF.LAST) {
-                            if (validsteps > 1) printval = (printval / validsteps);
-                        }
-                    }           /* prepare printval */
-
-          if (!this.gdes[i].strftm && (percent_s = this.gdes[i].format.indexOf('%S')) != -1) {
-                        if (magfact < 0.0) {
-                            //[printval, si_symb, magfact] = this.auto_scale(printval, si_symb, magfact);
-                            var dummy = this.auto_scale(
-                                printval, si_symb, magfact);
-                            printval = dummy[0];
-                            si_symb = dummy[1];
-                            magfact = dummy[2];
-                            if (printval === 0.0) magfact = -1.0;
-                        } else {
-                            printval /= magfact;
-                        }
-                        this.gdes[i].format = this.gdes[i].format.substr(0, percent_s+1)+'s'+this.gdes[i].format.substr(percent_s+2);
-                    } else if (!this.gdes[i].strftm && this.gdes[i].format.indexOf('%s') != -1) {
-                        //[printval, si_symb, magfact] = this.auto_scale(printval, si_symb, magfact);
-                        var dummy = this.auto_scale(
-                            printval, si_symb, magfact);
-                        printval = dummy[0];
-                        si_symb = dummy[1];
-                        magfact = dummy[2];
-
-                    }
-
-//          if (this.gdes[i].gf === RRDGraphDesc.GF.PRINT) {
-//            var prline;
-//
-//            if (this.gdes[i].strftm) {
-//							var date = new Date(tmvdef*1000);
-//							prline.u_str = date.strftime(this.gdes[i].format);
-//            } else {
-//              prline.u_str = sprintf(this.gdes[i].format, printval, si_symb);
-//            }
-//          grinfo_push(im, sprintf_alloc ("print[%ld]", prline_cnt++), RD_I_STR, prline); // FIXME
-//          } else {
-          if (this.gdes[i].strftm) {
-            this.gdes[i].legend = this.strftime(this.gdes[i].format, tmvdef);
-          } else {
-            this.gdes[i].legend = this.sprintf(this.gdes[i].format, printval, si_symb);
-          }
-          graphelement = 1;
-//          }
-          break;
-        case RRDGraphDesc.GF.LINE:
-        case RRDGraphDesc.GF.AREA:
-        case RRDGraphDesc.GF.TICK:
-            graphelement = 1;
-            break;
-        case RRDGraphDesc.GF.HRULE:
-            if (isNaN(this.gdes[i].yrule)) { /* we must set this here or the legend printer can not decide to print the legend */
-                this.gdes[i].yrule = this.gdes[vidx].vf.val;
-            };
-            graphelement = 1;
-            break;
-        case RRDGraphDesc.GF.VRULE:
-            if (this.gdes[i].xrule === 0) {   /* again ... the legend printer needs it */
-                this.gdes[i].xrule = this.gdes[vidx].vf.when;
-            };
-            graphelement = 1;
-            break;
-        case RRDGraphDesc.GF.COMMENT:
-        case RRDGraphDesc.GF.TEXTALIGN:
-        case RRDGraphDesc.GF.DEF:
-        case RRDGraphDesc.GF.CDEF:
-        case RRDGraphDesc.GF.VDEF:
-        case RRDGraphDesc.GF.SHIFT:
-        case RRDGraphDesc.GF.XPORT:
-            break;
-        case RRDGraphDesc.GF.STACK:
-            throw "STACK should already be turned into LINE or AREA here";
-            break;
-        }
-    }
-        return graphelement;
-    },
-    reduce_data: function(gdes, cur_step)
-    {
-    var reduce_factor = Math.ceil(gdes.step / cur_step);
-    var col, dst_row, row_cnt, start_offset, end_offset, skiprows = 0;
-    var srcptr, dstptr;
-
-    gdes.step = cur_step * gdes.reduce_factor; /* set new step size for reduced data */
-    dstptr = 0;
-    srcptr = 0;
-    row_cnt = (gdes.end - gdes.start) / cur_step;
-
-    end_offset = gdes.end % gdes.step;
-    start_offset = gdes.start % gdes.step;
-
-    if (start_offset) {
-        gdes.start = gdes.start - start_offset;
-        skiprows = reduce_factor - start_offset / cur_step;
-        srcptr += skiprows * gdes.ds_cnt;
-        for (col = 0; col < gdes.ds_cnt; col++)
-            gdes.data[dstptr++] = Number.NaN;
-        row_cnt -= skiprows;
-    }
-
-    if (end_offset) {
-        gdes.end = gdes.end - end_offset + gdes.step;
-        skiprows = end_offset / cur_step;
-        row_cnt -= skiprows;
-    }
-
-    if (row_cnt % reduce_factor) {
-        throw "BUG in reduce_data(), SANITY CHECK: "+row_cnt+" rows cannot be reduced by "+reduce_factor;
-    }
-
-    for (dst_row = 0; row_cnt >= reduce_factor; dst_row++) {
-        for (col = 0; col < gdes.ds_cnt; col++) {
-            var newval = Number.NaN;
-            var validval = 0;
-
-            for (i = 0; i < reduce_factor; i++) {
-                if (isNaN(gdes.data[srcptr + i*gdes.ds_cnt + col])) continue;
-                validval++;
-                if (isNaN(newval))
-                    newval = gdes.data[srcptr + i * gdes.ds_cnt + col];
-                else {
-                  switch (gdes.cf_reduce) {
-                    case RRDGraphDesc.CF.HWPREDICT:
-                    case RRDGraphDesc.CF.MHWPREDICT:
-                    case RRDGraphDesc.CF.DEVSEASONAL:
-                    case RRDGraphDesc.CF.DEVPREDICT:
-                    case RRDGraphDesc.CF.SEASONAL:
-                    case RRDGraphDesc.CF.AVERAGE:
-                        newval += gdes.data[srcptr + i*gdes.ds_cnt + col];
-                        break;
-                    case RRDGraphDesc.CF.MINIMUM:
-                        newval = Math.min(newval, gdes.data[srcptr + i*gdes.ds_cnt + col]);
-                        break;
-                    case RRDGraphDesc.CF.FAILURES:
-                        /* an interval contains a failure if any subintervals contained a failure */
-                    case RRDGraphDesc.CF.MAXIMUM:
-                        newval = Math.max(newval, gdes.data[srcptr + i*gdes.ds_cnt + col]);
-                        break;
-                    case RRDGraphDesc.CF.LAST:
-                        newval = gdes.data[srcptr + i*gdes.ds_cnt + col];
-                        break;
-                  }
-                }
-            }
-            if (validval === 0) {
-              newval = Number.NaN;
-            } else {
-              switch (gdes.cf_reduce) {
-                case RRDGraphDesc.CF.HWPREDICT:
-                case RRDGraphDesc.CF.MHWPREDICT:
-                case RRDGraphDesc.CF.DEVSEASONAL:
-                case RRDGraphDesc.CF.DEVPREDICT:
-                case RRDGraphDesc.CF.SEASONAL:
-                case RRDGraphDesc.CF.AVERAGE:
-                    newval /= validval;
-                    break;
-                case RRDGraphDesc.CF.MINIMUM:
-                case RRDGraphDesc.CF.FAILURES:
-                case RRDGraphDesc.CF.MAXIMUM:
-                case RRDGraphDesc.CF.LAST:
-                    break;
-              }
-            }
-            gdes.data[dstptr++] = newval;
-        }
-        srcptr += gdes.ds_cnt * reduce_factor;
-        row_cnt -= reduce_factor;
-    }
-    if (end_offset)
-        for (col = 0; col < gdes.ds_cnt; col++)
-            gdes.data[dstptr++] = Number.NaN;
-    },
-    data_fetch: function()
-    {
-        var skip;
-
-        for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-            if (this.gdes[i].gf != RRDGraphDesc.GF.DEF) continue;
-
-            skip = false;
-            for (var ii = 0; ii < i; ii++) {
-                if (this.gdes[ii].gf != RRDGraphDesc.GF.DEF) continue;
-                if ((this.gdes[i].rrd === this.gdes[ii].rrd)
-                    && (this.gdes[i].cf === this.gdes[ii].cf)
-                    && (this.gdes[i].cf_reduce === this.gdes[ii].cf_reduce)
-                    && (this.gdes[i].start_orig === this.gdes[ii].start_orig)
-                    && (this.gdes[i].end_orig === this.gdes[ii].end_orig)
-                    && (this.gdes[i].step_orig === this.gdes[ii].step_orig)) {
-                        this.gdes[i].start = this.gdes[ii].start;
-                        this.gdes[i].end = this.gdes[ii].end;
-                        this.gdes[i].step = this.gdes[ii].step;
-                        this.gdes[i].ds_cnt = this.gdes[ii].ds_cnt;
-                        this.gdes[i].ds_namv = this.gdes[ii].ds_namv;
-                        this.gdes[i].data = this.gdes[ii].data;
-                        this.gdes[i].data_first = 0;
-                        skip = true;
-                }
-                if (skip) break;
-            }
-
-            if (!skip) {
-                var ft_step = this.gdes[i].step;   /* ft_step will record what we got from fetch */
-                ft_step = this.rrd_fetch(this.gdes[i], ft_step);
-                if (ft_step < 0)
-                    return -1;
-                this.gdes[i].data_first = 1;
-                if (ft_step < this.gdes[i].step) {
-                        this.reduce_data(this.gdes[i], ft_step);
-                } else {
-                        this.gdes[i].step = ft_step;
-                }
-            }
-            /* lets see if the required data source is really there */
-            for (var ii = 0; ii < this.gdes[i].ds_cnt; ii++) {
-                    if (this.gdes[i].ds_namv[ii] === this.gdes[i].ds_nam) {
-                        this.gdes[i].ds = ii;
-                        break;
-                    }
-            }
-
-            if (this.gdes[i].ds === -1)
-                throw "No DS called '"+this.gdes[i].ds_nam+"' in '"+this.gdes[i].rrd+"'";
-    }
-
-    return 0;
-    },
-    lcd: function (num)
-    {
-        var rest;
-    for (var i = 0; num[i + 1] != 0; i++) {
-            do {
-                rest = num[i] % num[i + 1];
-                num[i] = num[i + 1];
-                num[i + 1] = rest;
-            } while (rest != 0); // FIXME infinite loop ?
-            num[i + 1] = num[i];
-        }
-    return num[i];
-    },
-    data_calc: function()
-    {
-        var dataidx;
-        var now;
-
-        var rpnstack;
-
-    for (var gdi = 0, gdes_c = this.gdes.length; gdi < gdes_c; gdi++) {
-            switch (this.gdes[gdi].gf) {
-                case RRDGraphDesc.GF.XPORT:
-                    break;
-                case RRDGraphDesc.GF.SHIFT:
-                    var vdp = this.gdes[this.gdes[gdi].vidx];
-                    /* remove current shift */
-                    vdp.start -= vdp.shift;
-                    vdp.end -= vdp.shift;
-
-                    if (this.gdes[gdi].shidx >= 0) vdp.shift = this.gdes[this.gdes[gdi].shidx].vf.val;
-                    else vdp.shift = this.gdes[gdi].shval;
-
-                    vdp.shift = (vdp.shift / vdp.step) * vdp.step;
-
-                    vdp.start += vdp.shift;
-                    vdp.end += vdp.shift;
-                    break;
-        case RRDGraphDesc.GF.VDEF:
-                    this.gdes[gdi].ds_cnt = 0;
-                    if (this.vdef_calc(gdi))
-                        throw "Error processing VDEF '"+this.gdes[gdi].vname+"%s'";
-                    break;
-        case RRDGraphDesc.GF.CDEF:
-                    this.gdes[gdi].ds_cnt = 1;
-                    this.gdes[gdi].ds = 0;
-                    this.gdes[gdi].data_first = 1;
-                    this.gdes[gdi].start = 0;
-                    this.gdes[gdi].end = 0;
-                    var steparray = [];
-                    var stepcnt = 0;
-                    dataidx = -1;
-
-                    var rpnp =  this.gdes[gdi].rpnp.rpnp;
-                    for (var rpi = 0; rpnp[rpi].op != RRDRpn.OP.END; rpi++) {
-                        if (rpnp[rpi].op === RRDRpn.OP.VARIABLE || rpnp[rpi].op === RRDRpn.OP.PREV_OTHER) {
-                            var ptr = rpnp[rpi].ptr;
-                            if (this.gdes[ptr].ds_cnt === 0) {    /* this is a VDEF data source */
-                                rpnp[rpi].val = this.gdes[ptr].vf.val;
-                                rpnp[rpi].op = RRDRpn.OP.NUMBER;
-                            } else {    /* normal variables and PREF(variables) */
-                                ++stepcnt;
-                                steparray[stepcnt - 1] = this.gdes[ptr].step;
-
-                                if (this.gdes[gdi].start < this.gdes[ptr].start)
-                                    this.gdes[gdi].start = this.gdes[ptr].start;
-                                if (this.gdes[gdi].end === 0 || this.gdes[gdi].end > this.gdes[ptr].end)
-                                    this.gdes[gdi].end = this.gdes[ptr].end;
-
-                                rpnp[rpi].data = this.gdes[ptr].data;
-                                rpnp[rpi].pdata = this.gdes[ptr].ds;
-                                rpnp[rpi].step = this.gdes[ptr].step;
-                                rpnp[rpi].ds_cnt = this.gdes[ptr].ds_cnt;
-                            }
-                        }
-                    }
-                    /* move the data pointers to the correct period */
-                    for (var rpi = 0; rpnp[rpi].op != RRDRpn.OP.END; rpi++) {
-                        if (rpnp[rpi].op === RRDRpn.OP.VARIABLE || rpnp[rpi].op === RRDRpn.OP.PREV_OTHER) {
-                            var ptr = rpnp[rpi].ptr;
-                            var diff = this.gdes[gdi].start - this.gdes[ptr].start;
-
-                            if (diff > 0) rpnp[rpi].pdata += (diff / this.gdes[ptr].step) * this.gdes[ptr].ds_cnt;
-                        }
-                    }
-
-          if (steparray === null) {
-                        throw "rpn expressions without DEF or CDEF variables are not supported";
-          }
-          steparray[stepcnt] = 0;
-          this.gdes[gdi].step = this.lcd(steparray);
-                    this.gdes[gdi].data = [];
-
-          for (now = this.gdes[gdi].start + this.gdes[gdi].step; now <= this.gdes[gdi].end; now += this.gdes[gdi].step) {
-                        if (this.gdes[gdi].rpnp.calc(now, this.gdes[gdi].data, ++dataidx) === -1)
-                            return -1;
-          }
-          break;
-        default:
-            continue;
-        }
-    }
-    return 0;
-    },
-    data_proc: function()
-    {
-    var pixstep = (this.end - this.start) / this.xsize;
-    var paintval;
-    var minval = Number.NaN, maxval = Number.NaN;
-    var gr_time;
-
-    /* memory for the processed data */
-
-    for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-        if ((this.gdes[i].gf === RRDGraphDesc.GF.LINE) || (this.gdes[i].gf === RRDGraphDesc.GF.AREA) || (this.gdes[i].gf === RRDGraphDesc.GF.TICK)) {
-            this.gdes[i].p_data = [];
-        }
-        }
-
-    for (var i = 0; i < this.xsize; i++) {   /* for each pixel */
-            var vidx;
-            gr_time = this.start + pixstep * i;  /* time of the current step */
-            paintval = 0.0;
-
-            for (var ii = 0 , gdes_c = this.gdes.length; ii < gdes_c; ii++) {
-                var value;
-                switch (this.gdes[ii].gf) {
-                    case RRDGraphDesc.GF.LINE:
-                    case RRDGraphDesc.GF.AREA:
-                    case RRDGraphDesc.GF.TICK:
-                        if (!this.gdes[ii].stack) paintval = 0.0;
-                        value = this.gdes[ii].yrule;
-                        if (isNaN(value) || (this.gdes[ii].gf === RRDGraphDesc.GF.TICK)) {
-                            vidx = this.gdes[ii].vidx;
-                            if (this.gdes[vidx].gf === RRDGraphDesc.GF.VDEF) {
-                                value = this.gdes[vidx].vf.val;
-                            } else if (gr_time >= this.gdes[vidx].start && gr_time < this.gdes[vidx].end) {
-                                value = this.gdes[vidx].data[Math.floor((gr_time - this.gdes[vidx].start) / this.gdes[vidx].step) * this.gdes[vidx].ds_cnt + this.gdes[vidx].ds];
-                            } else {
-                                value = Number.NaN;
-                            }
-                        }
-                        if (!isNaN(value)) {
-                            paintval += value;
-                            this.gdes[ii].p_data[i] = paintval;
-                            if (isFinite(paintval) && this.gdes[ii].gf != RRDGraphDesc.GF.TICK) {
-                                if ((isNaN(minval) || paintval < minval) && !(this.logarithmic && paintval <= 0.0))
-                                    minval = paintval;
-                                    if (isNaN(maxval) || paintval > maxval)
-                                        maxval = paintval;
-                            }
-                        } else {
-                            this.gdes[ii].p_data[i] = Number.NaN;
-                        }
-                        break;
-                    case RRDGraphDesc.GF.STACK:
-                        throw "STACK should already be turned into LINE or AREA here";
-                        break;
-                    default:
-                        break;
-                }
-            }
-        }
-
-    if (this.logarithmic) {
-        if (isNaN(minval) || isNaN(maxval) || maxval <= 0) {
-            minval = 0.0;
-            maxval = 5.1;
-        }
-        if (minval <= 0) minval = maxval / 10e8;
-    } else {
-        if (isNaN(minval) || isNaN(maxval)) {
-            minval = 0.0;
-            maxval = 1.0;
-        }
-    }
-
-    if (isNaN(this.minval) || ((!this.rigid) && this.minval > minval)) {
-        if (this.logarithmic) this.minval = minval / 2.0;
-        else this.minval = minval;
-    }
-    if (isNaN(this.maxval) || (!this.rigid && this.maxval < maxval)) {
-        if (this.logarithmic) this.maxval = maxval * 2.0;
-        else this.maxval = maxval;
-    }
-
-    if (this.minval > this.maxval) {
-        if (this.minval > 0) this.minval = 0.99 * this.maxval;
-        else this.minval = 1.01 * this.maxval;
-    }
-
-    if (this.AlmostEqual2sComplement(this.minval, this.maxval, 4)) {
-        if (this.maxval > 0) this.maxval *= 1.01;
-        else this.maxval *= 0.99;
-
-        if (this.AlmostEqual2sComplement(this.maxval, 0, 4)) this.maxval = 1.0;
-    }
-    return 0;
-    },
-    leg_place: function (calc_width)
-    {
-        var interleg = this.TEXT.LEGEND.size * 1.5;
-        var border = this.TEXT.LEGEND.size * 1.5;
-        var fill = 0, fill_last;
-        var legendwidth; // = this.ximg - 2 * border;
-        var leg_c = 0;
-        var leg_x = border;
-        var leg_y = 0; //this.yimg;
-        var leg_y_prev = 0; // this.yimg;
-        var leg_cc;
-        var glue = 0;
-        var ii, mark = 0;
-        var default_txtalign = RRDGraphDesc.TXA.JUSTIFIED; /*default line orientation */
-        var legspace;
-        var tab;
-        var saved_legend;
-
-        if(calc_width) legendwidth = 0;
-        else legendwidth = this.legendwidth - 2 * border;
-
-    if (!this.no_legend && !this.only_graph) {
-            legspace = [];
-            for (var i = 0 , gdes_c = this.gdes.length; i < gdes_c; i++) {
-        var prt_fctn; /*special printfunctions */
-        if(calc_width) saved_legend = this.gdes[i].legend;
-        fill_last = fill;
-        if (this.gdes[i].gf === RRDGraphDesc.GF.TEXTALIGN)
-                    default_txtalign = this.gdes[i].txtalign;
-
-                if (!this.force_rules_legend) {
-                    if (this.gdes[i].gf === RRDGraphDesc.GF.HRULE && (this.gdes[i].yrule < this.minval || this.gdes[i].yrule > this.maxval))
-                        this.gdes[i].legend = null;
-                    if (this.gdes[i].gf === RRDGraphDesc.GF.VRULE && (this.gdes[i].xrule < this.start || this.gdes[i].xrule > this.end))
-                        this.gdes[i].legend = null;
-                }
-                this.gdes[i].legend = this.gdes[i].legend.replace(/\\t/gi, "\t"); /* turn \\t into tab */
-
-        leg_cc = this.gdes[i].legend.length;
-        /* is there a controle code at the end of the legend string ? */
-        if (leg_cc >= 2 && this.gdes[i].legend.charAt(leg_cc - 2) === '\\') {
-            prt_fctn = this.gdes[i].legend.charAt(leg_cc - 1);
-            leg_cc -= 2;
-            this.gdes[i].legend = this.gdes[i].legend.substr(0,leg_cc);
-        } else {
-            prt_fctn = null;
-        }
-        /* only valid control codes */
-        if (prt_fctn != 'l' && prt_fctn != 'n' && prt_fctn != 'r' && prt_fctn != 'j' && prt_fctn != 'c' &&
-                        prt_fctn != 'u' && prt_fctn != 's' && prt_fctn != null  && prt_fctn != 'g') {
-                        throw "Unknown control code at the end of "+this.gdes[i].legend+": "+prt_fctn;
-        }
-        /* \n -> \l */
-        if (prt_fctn === 'n') prt_fctn = 'l';
-
-        /* remove exess space from the end of the legend for \g */
-        while (prt_fctn === 'g' && leg_cc > 0 && this.gdes[i].legend.charAt(leg_cc - 1) === ' ') {
-                    leg_cc--;
-                    this.gdes[i].legend = this.gdes[i].legend.substr(0,leg_cc);
-        }
-
-        if (leg_cc != 0) {
-          legspace[i] = (prt_fctn === 'g' ? 0 : interleg);
-          if (fill > 0) fill += legspace[i];
-          fill += this.gfx_get_text_width(fill + border, this.TEXT.LEGEND, this.tabwidth, this.gdes[i].legend);
-          leg_c++;
-        } else {
-          legspace[i] = 0;
-        }
-        /* who said there was a special tag ... ? */
-        if (prt_fctn === 'g') prt_fctn = null;
-
-        if (prt_fctn === null) {
-          if(calc_width && (fill > legendwidth)) legendwidth = fill;
-
-          if (i === gdes_c - 1 || fill > legendwidth) {
-            switch (default_txtalign) {
-              case RRDGraphDesc.TXA.RIGHT:
-                prt_fctn = 'r';
-                break;
-              case RRDGraphDesc.TXA.CENTER:
-                prt_fctn = 'c';
-                break;
-              case RRDGraphDesc.TXA.JUSTIFIED:
-                prt_fctn = 'j';
-                break;
-              default:
-                prt_fctn = 'l';
-                break;
-            }
-          }
-          /* is it time to place the legends ? */
-          if (fill > legendwidth) {
-              if (leg_c > 1) {
-                  /* go back one */
-                  i--;
-                  fill = fill_last;
-                  leg_c--;
-              }
-          }
-          if (leg_c === 1 && prt_fctn === 'j') {
-              prt_fctn = 'l';
-          }
-        }
-
-        if (prt_fctn != null) {
-          leg_x = border;
-          if (leg_c >= 2 && prt_fctn === 'j') {
-                        glue = (legendwidth - fill) / (leg_c - 1);
-          } else {
-            glue = 0;
-          }
-          if (prt_fctn === 'c')
-              leg_x = (legendwidth - fill) / 2.0;
-          if (prt_fctn === 'r')
-              leg_x = legendwidth - fill + border;
-          for (ii = mark; ii <= i; ii++) {
-              if (this.gdes[ii].legend === '') continue;
-              this.gdes[ii].leg_x = leg_x;
-              this.gdes[ii].leg_y = leg_y + border;
-              leg_x += this.gfx_get_text_width(leg_x, this.TEXT.LEGEND, this.tabwidth, this.gdes[ii].legend) + legspace[ii] + glue;
-          }
-          leg_y_prev = leg_y;
-          if (leg_x > border || prt_fctn === 's') leg_y += this.TEXT.LEGEND.size * 1.4;
-          if (prt_fctn === 's') leg_y -= this.TEXT.LEGEND.size;
-          if (prt_fctn === 'u') leg_y -= this.TEXT.LEGEND.size * 1.4;
-
-          if(calc_width && (fill > legendwidth)) legendwidth = fill;
-          fill = 0;
-          leg_c = 0;
-          mark = ii;
-        }
-
-        if(calc_width) this.gdes[i].legend = saved_legend;
-      }
-            if(calc_width) this.legendwidth = legendwidth + 2 * border;
-            else this.legendheight = leg_y + border * 0.6; // FIXME 0.6 ??
-    }
-    return 0;
-    },
-    axis_paint: function()
-    {
-        this.gfx_line(this.xorigin - 4, this.yorigin,
-                this.xorigin + this.xsize + 4, this.yorigin,
-                this.MGRIDWIDTH, this.GRC.AXIS);
-
-        this.gfx_line(this.xorigin, this.yorigin + 4,
-                this.xorigin, this.yorigin - this.ysize - 4,
-                this.MGRIDWIDTH, this.GRC.AXIS);
-
-        this.gfx_new_area(this.xorigin + this.xsize + 2, this.yorigin - 3,
-                this.xorigin + this.xsize + 2,
-                this.yorigin + 3, this.xorigin + this.xsize + 7, this.yorigin,
-                this.GRC.ARROW);
-        this.gfx_close_path();
-
-        this.gfx_new_area(this.xorigin - 3, this.yorigin - this.ysize - 2,
-                this.xorigin + 3, this.yorigin - this.ysize - 2,
-                this.xorigin, this.yorigin - this.ysize - 7,
-                this.GRC.ARROW);
-        this.gfx_close_path();
-
-        if (this.second_axis_scale != 0){
-            this.gfx_line (this.xorigin+this.xsize,this.yorigin+4,
-         this.xorigin+this.xsize,this.yorigin-this.ysize-4,
-         MGRIDWIDTH, this.graph_col[GRC_AXIS]);
-            this.gfx_new_area (this.xorigin+this.xsize-2,  this.yorigin-this.ysize-2,
-           this.xorigin+this.xsize+3,  this.yorigin-this.ysize-2,
-         this.xorigin+this.xsize,    this.yorigin-this.ysize-7, /* LINEOFFSET */
-         this.GRC.ARROW);
-            this.gfx_close_path();
-        }
-    },
-    frexp10: function (x)
-    {
-    var mnt;
-    var iexp;
-
-    iexp = Math.floor(Math.log(Math.abs(x)) / Math.LN10);
-    mnt = x / Math.pow(10.0, iexp);
-    if (mnt >= 10.0) {
-        iexp++;
-        mnt = x / Math.pow(10.0, iexp);
-    }
-    return [mnt, iexp];
-    },
-    horizontal_log_grid: function ()
-    {
-    var yloglab = [
-            [ 1.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
-            [ 1.0, 5.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ],
-            [ 1.0, 2.0, 5.0, 7.0, 10., 0.0, 0.0, 0.0, 0.0, 0.0 ],
-            [ 1.0, 2.0, 4.0, 6.0, 8.0, 10., 0.0, 0.0, 0.0, 0.0 ],
-            [	1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10. ],
-            [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] /* last line */
-    ];
-    var i, j, val_exp, min_exp;
-    var nex;      /* number of decades in data */
-    var logscale; /* scale in logarithmic space */
-    var exfrac = 1;   /* decade spacing */
-    var mid = -1; /* row in yloglab for major grid */
-    var mspac;    /* smallest major grid spacing (pixels) */
-    var flab;     /* first value in yloglab to use */
-    var value, tmp, pre_value;
-    var X0, X1, Y0;
-    var graph_label;
-
-    nex = Math.log(this.maxval / this.minval)/Math.LN10;
-    logscale = this.ysize / nex;
-    /* major spacing for data with high dynamic range */
-    while (logscale * exfrac < 2.3 * this.TEXT.LEGEND.size) { // FIXME 3 -> 2.34 ??
-            if (exfrac === 1) exfrac = 2.3; // ??? 3 -> 2.34
-            else exfrac += 2.3 ; // 3-> 2.34
-    }
-    /* major spacing for less dynamic data */
-    do {
-            mid++;
-            for (i = 0; yloglab[mid][i + 1] < 10.0; i++);
-            mspac = logscale * Math.log(10.0 / yloglab[mid][i])/Math.LN10;
-    } while (mspac > 1.56 * this.TEXT.LEGEND.size && yloglab[mid][0] > 0); // FIXME 2->1.56 ??
-    if (mid) mid--;
-    /* find first value in yloglab */
-    //for (flab = 0; yloglab[mid][flab] < 10 && this.frexp10(this.minval,tmp) > yloglab[mid][flab]; flab++);
-        flab = -1;
-        do {
-            var ret;
-            flab++;
-            // [ret, tmp] = this.frexp10(this.minval);
-            var dummy = this.frexp10(this.minval); ret = dummy[0]; tmp = dummy[1];
-        } while (yloglab[mid][flab] < 10 && ret > yloglab[mid][flab]);
-
-    if (yloglab[mid][flab] === 10.0) {
-            tmp += 1.0;
-            flab = 0;
-    }
-    val_exp = tmp;
-    if (val_exp % exfrac) val_exp += Math.abs(-val_exp % exfrac);
-    X0 = this.xorigin;
-    X1 = this.xorigin + this.xsize;
-    /* draw grid */
-    pre_value = Number.NaN;
-
-    while (1) {
-            value = yloglab[mid][flab] * Math.pow(10.0, val_exp);
-            if (this.AlmostEqual2sComplement(value, pre_value, 4)) // FIXME
-                break;      /* it seems we are not converging */
-      pre_value = value;
-      Y0 = this.ytr(value);
-      if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize)
-        break;
-      /* major grid line */
-      this.gfx_line(X0 - 2, Y0, X0, Y0, this.MGRIDWIDTH, this.GRC.MGRID);
-      this.gfx_line(X1, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID);
-      this.gfx_dashed_line(X0 - 2, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off);
-      /* label */
-      if (this.force_units_si) {
-        var scale;
-        var pvalue;
-        var symbol;
-
-        scale = Math.floor(val_exp / 3.0);
-        if (value >= 1.0) pvalue = Math.pow(10.0, val_exp % 3);
-        else pvalue = Math.pow(10.0, ((val_exp + 1) % 3) + 2);
-        pvalue *= yloglab[mid][flab];
-
-        if (((scale + this.si_symbcenter) < this.si_symbol.length) && ((scale + this.si_symbcenter) >= 0))
-          symbol = this.si_symbol[scale + this.si_symbcenter];
-        else
-          symbol = '?';
-        graph_label = this.sprintf("%3.0f %s", pvalue, symbol);
-      } else {
-        graph_label = this.sprintf("%3.0e", value);
-      }
-      if (this.second_axis_scale != 0){
-        var graph_label_right;
-        var sval = value*this.second_axis_scale+this.second_axis_shift;
-        if (!this.second_axis_format[0]){
-          if (this.force_units_si) {
-              var mfac = 1;
-              var symb = '';
-              //[sval, symb, mfac ] = this.auto_scale(sval, symb, mfac);
-              var dummy = this.auto_scale(sval, symb, mfac);
-              sval = dummy[0];
-              symb = dummy[1];
-              mfac = dummy[2];
-            graph_label_right = this.sprintf("%4.0f %s", sval,symb);
-          } else {
-                        graph_label_right = this.sprintf("%3.0e", sval);
-          }
-        } else {
-                    graph_label_right = this.sprintf(this.second_axis_format,sval,"");
-                }
-        this.gfx_text( X1+7, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth,0.0, this.GFX_H.LEFT, this.GFX_V.CENTER, graph_label_right );
-            }
-
-        this.gfx_text(X0 - this.TEXT.AXIS.size, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth, 0.0, this.GFX_H.RIGHT, this.GFX_V.CENTER, graph_label);
-            if (mid < 4 && exfrac === 1) { /* minor grid */
-                if (flab === 0) { /* find first and last minor line behind current major line * i is the first line and j tha last */
-                    min_exp = val_exp - 1;
-                    for (i = 1; yloglab[mid][i] < 10.0; i++) {};
-                    i = yloglab[mid][i - 1] + 1;
-                    j = 10;
-                } else {
-                    min_exp = val_exp;
-                    i = yloglab[mid][flab - 1] + 1;
-                    j = yloglab[mid][flab];
-                }
-                for (; i < j; i++) { /* draw minor lines below current major line */
-                    value = i * Math.pow(10.0, min_exp);
-                    if (value < this.minval) continue;
-                    Y0 = this.ytr(value);
-                    if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break;
-                    this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-        }
-            } else if (exfrac > 1) {
-                for (i = val_exp - exfrac / 3 * 2; i < val_exp; i += exfrac / 3) {
-                    value = Math.pow(10.0, i);
-                    if (value < this.minval) continue;
-                    Y0 = this.ytr(value);
-                    if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break;
-                    this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-                }
-            }
-            if (yloglab[mid][++flab] === 10.0) { /* next decade */
-                flab = 0;
-                val_exp += exfrac;
-            }
-        }
-        if (mid < 4 && exfrac === 1) { /* draw minor lines after highest major line */
-            if (flab === 0) { /* find first and last minor line below current major line * i is the first line and j tha last */
-                min_exp = val_exp - 1;
-                for (i = 1; yloglab[mid][i] < 10.0; i++) {};
-                i = yloglab[mid][i - 1] + 1;
-                j = 10;
-            } else {
-                min_exp = val_exp;
-                i = yloglab[mid][flab - 1] + 1;
-                j = yloglab[mid][flab];
-            }
-            for (; i < j; i++) { /* draw minor lines below current major line */
-                value = i * Math.pow(10.0, min_exp);
-                if (value < this.minval) continue;
-                Y0 = this.ytr(value);
-                if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break;
-                this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-      }
-    } else if (exfrac > 1) { /* fancy minor gridlines */
-            for (i = val_exp - exfrac / 3 * 2; i < val_exp; i += exfrac / 3) {
-                value = Math.pow(10.0, i);
-                if (value < this.minval) continue;
-                Y0 = this.ytr(value);
-                if (Math.floor(Y0 + 0.5) <= this.yorigin - this.ysize) break;
-                this.gfx_line(X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-        }
-    }
-    return 1;
-    },
-    vertical_grid: function()
-    {
-    var xlab_sel; /* which sort of label and grid ? */
-    var ti, tilab, timajor;
-    var factor;
-    var graph_label;
-        var X0, Y0, Y1;   /* points for filled graph and more */
-
-        /* the type of time grid is determined by finding the number of seconds per pixel in the graph */
-        if (this.xlab_user.minsec === -1) {
-            factor = (this.end - this.start) / this.xsize;
-            xlab_sel = 0;
-
-            while (this.xlab[xlab_sel + 1].minsec != -1 && this.xlab[xlab_sel + 1].minsec <= factor) xlab_sel++;
-            if (xlab_sel === 0) xlab_sel=1; // FIXME XXX XXX xlab_sel == 0 ???
-            while (this.xlab[xlab_sel - 1].minsec === this.xlab[xlab_sel].minsec && this.xlab[xlab_sel].length > (this.end - this.start)) xlab_sel--;
-            this.xlab_user = this.xlab[xlab_sel];
-
-        }
-        Y0 = this.yorigin;
-        Y1 = this.yorigin - this.ysize;
-
-        if (!(this.no_minor)) {
-            for (	ti = this.find_first_time(this.start, this.xlab_user.gridtm, this.xlab_user.gridst),
-                        timajor = this.find_first_time(this.start, this.xlab_user.mgridtm, this.xlab_user.mgridst);
-                    ti < this.end && ti != -1;
-                    ti = this.find_next_time(ti, this.xlab_user.gridtm, this.xlab_user.gridst)) {
-                if (ti < this.start || ti > this.end) continue;
-                while (timajor < ti && timajor != -1) timajor = this.find_next_time(timajor, this.xlab_user.mgridtm, this.xlab_user.mgridst);
-                if (timajor === -1) break;
-                if (ti === timajor) continue;
-                X0 = this.xtr(ti);
-                this.gfx_line(X0, Y1 - 2, X0, Y1, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_line(X0, Y0, X0, Y0 + 2, this.GRIDWIDTH, this.GRC.GRID);
-                this.gfx_dashed_line(X0, Y0 + 1, X0, Y1 - 1, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-            }
-        }
-
-        for (	ti = this.find_first_time(this.start, this.xlab_user.mgridtm, this.xlab_user.mgridst);
-                    ti < this.end && ti != -1;
-                    ti = this.find_next_time(ti, this.xlab_user.mgridtm, this.xlab_user.mgridst)
-            ) {
-            if (ti < this.start || ti > this.end) continue;
-            X0 = this.xtr(ti);
-            this.gfx_line(X0, Y1 - 2, X0, Y1, this.MGRIDWIDTH, this.GRC.MGRID);
-            this.gfx_line(X0, Y0, X0, Y0 + 3, this.MGRIDWIDTH, this.GRC.MGRID);
-            this.gfx_dashed_line(X0, Y0 + 3, X0, Y1 - 2, this.MGRIDWIDTH,
-                this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off);
-      }
-
-        for (	ti = this.find_first_time(this.start - this.xlab_user.precis / 2, this.xlab_user.labtm, this.xlab_user.labst);
-                    (ti <= this.end - this.xlab_user.precis / 2) && ti != -1;
-                    ti = this.find_next_time(ti, this.xlab_user.labtm, this.xlab_user.labst)
-            ) {
-            tilab = ti + this.xlab_user.precis / 2;
-            if (tilab < this.start || tilab > this.end)
-                continue;
-            //localtime_r(&tilab, &tm); FIXME
-            //strftime(graph_label, 99, this.xlab_user.stst, &tm); FIXME
-            graph_label = this.xlab_user.stst(new Date(tilab*1000));
-            this.gfx_text(this.xtr(tilab), Y0 + 3, this.GRC.FONT,
-                 this.TEXT.AXIS, this.tabwidth, 0.0,
-                 this.GFX_H.CENTER, this.GFX_V.TOP, graph_label);
-        }
-    },
-    auto_scale: function (value, symb_ptr, magfact)
-    {
-    var symbol = [
-                'a',        /* 10e-18 Atto */
-        'f',    /* 10e-15 Femto */
-        'p',    /* 10e-12 Pico */
-        'n',    /* 10e-9  Nano */
-        'u',    /* 10e-6  Micro */
-        'm',    /* 10e-3  Milli */
-        ' ',    /* Base */
-        'k',    /* 10e3   Kilo */
-        'M',    /* 10e6   Mega */
-        'G',    /* 10e9   Giga */
-        'T',    /* 10e12  Tera */
-        'P',    /* 10e15  Peta */
-        'E'			/* 10e18  Exa */
-        ];
-
-    var symbcenter = 6;
-    var sindex;
-
-    if (value === 0.0 || isNaN(value)) {
-        sindex = 0;
-        magfact = 1.0;
-    } else {
-        sindex = Math.floor((Math.log(Math.abs(value))/Math.LN10) / (Math.log(this.base)/Math.LN10));
-        magfact = Math.pow(this.base, sindex);
-        value /= magfact;
-    }
-    if (sindex <= symbcenter && sindex >= -symbcenter) {
-        symb_ptr = symbol[sindex + symbcenter];
-    } else {
-        symb_ptr = '?';
-    }
-        return [value, symb_ptr, magfact];
-    },
-    si_unit: function()
-    {
-        var digits;
-        var viewdigits = 0;
-
-        digits = Math.floor(Math.log(Math.max(Math.abs(this.minval), Math.abs(this.maxval))) / Math.log(this.base));
-
-        if (this.unitsexponent != 9999) {
-            /* unitsexponent = 9, 6, 3, 0, -3, -6, -9, etc */
-            viewdigits = Math.floor(this.unitsexponent / 3);
-        } else {
-            viewdigits = digits;
-        }
-
-        this.magfact = Math.pow(this.base, digits);
-
-        this.viewfactor = this.magfact / Math.pow(this.base, viewdigits);
-
-        if (((viewdigits + this.si_symbcenter) < this.si_symbol.length) && ((viewdigits + this.si_symbcenter) >= 0))
-            this.symbol = this.si_symbol[viewdigits + this.si_symbcenter];
-        else
-            this.symbol = '?';
-    },
-    expand_range: function ()
-    {
-        var sensiblevalues = [ 1000.0, 900.0, 800.0, 750.0, 700.0, 600.0, 500.0, 400.0, 300.0, 250.0, 200.0, 125.0, 100.0, 90.0, 80.0, 75.0, 70.0, 60.0, 50.0, 40.0, 30.0, 25.0, 20.0, 10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.5, 3.0, 2.5, 2.0, 1.8, 1.5, 1.2, 1.0, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0.0, -1 ];
-        var scaled_min, scaled_max;
-        var adj;
-        var i;
-
-        if (isNaN(this.ygridstep)) {
-            if (this.alt_autoscale) {
-                var delt, fact;
-
-                delt = this.maxval - this.minval;
-                adj = delt * 0.1;
-                fact = 2.0 * Math.pow(10.0, Math.floor(Math.log(Math.max(Math.abs(this.minval), Math.abs(this.maxval)) / this.magfact)/Math.LN10) - 2);
-                if (delt < fact) adj = (fact - delt) * 0.55;
-                this.minval -= adj;
-                this.maxval += adj;
-            } else if (this.alt_autoscale_min) {
-                adj = (this.maxval - this.minval) * 0.1;
-                this.minval -= adj;
-            } else if (this.alt_autoscale_max) {
-                adj = (this.maxval - this.minval) * 0.1;
-                this.maxval += adj;
-            } else {
-                scaled_min = this.minval / this.magfact;
-                scaled_max = this.maxval / this.magfact;
-
-                for (i = 1; sensiblevalues[i] > 0; i++) {
-                    if (sensiblevalues[i - 1] >= scaled_min && sensiblevalues[i] <= scaled_min)
-                        this.minval = sensiblevalues[i] * this.magfact;
-                    if (-sensiblevalues[i - 1] <= scaled_min && -sensiblevalues[i] >= scaled_min)
-                        this.minval = -sensiblevalues[i - 1] * this.magfact;
-                    if (sensiblevalues[i - 1] >= scaled_max && sensiblevalues[i] <= scaled_max)
-                        this.maxval = sensiblevalues[i - 1] * this.magfact;
-                    if (-sensiblevalues[i - 1] <= scaled_max && -sensiblevalues[i] >= scaled_max)
-                        this.maxval = -sensiblevalues[i] * this.magfact;
-                }
-            }
-        } else {
-            this.minval = this.ylabfact * this.ygridstep * Math.floor(this.minval / (this.ylabfact * this.ygridstep));
-            this.maxval = this.ylabfact * this.ygridstep * Math.ceil(this.maxval / (this.ylabfact * this.ygridstep));
-    }
-    },
-    calc_horizontal_grid: function()
-    {
-        var range;
-        var scaledrange;
-        var pixel, i;
-        var gridind = 0;
-        var decimals, fractionals;
-
-        this.ygrid_scale.labfact = 2;
-        range = this.maxval - this.minval;
-        scaledrange = range / this.magfact;
-        if (isNaN(scaledrange) || !isFinite(scaledrange)) {
-            return false;
-        }
-
-        pixel = 1;
-        if (isNaN(this.ygridstep)) {
-            if (this.alt_ygrid) {
-                decimals = Math.ceil(Math.log(Math.max(Math.abs(this.maxval), Math.abs(this.minval)) * this.viewfactor / this.magfact)/Math.LN10);
-                if (decimals <= 0) decimals = 1;
-                    this.ygrid_scale.gridstep = Math.pow(10, Math.floor(Math.log(range * this.viewfactor / this.magfact)/Math.LN10)) / this.viewfactor * this.magfact;
-                if (this.ygrid_scale.gridstep === 0)  this.ygrid_scale.gridstep = 0.1;
-                if (range / this.ygrid_scale.gridstep < 5 && this.ygrid_scale.gridstep >= 30)
-                    this.ygrid_scale.gridstep /= 10;
-                if (range / this.ygrid_scale.gridstep > 15)
-                    this.ygrid_scale.gridstep *= 10;
-                if (range / this.ygrid_scale.gridstep > 5) {
-                    this.ygrid_scale.labfact = 1;
-                    if (range / this.ygrid_scale.gridstep > 8 || this.ygrid_scale.gridstep < 1.8 * this.TEXT.AXIS.size) // 1.8
-                        this.ygrid_scale.labfact = 2;
-                    } else {
-                        this.ygrid_scale.gridstep /= 5;
-                        this.ygrid_scale.labfact = 5;
-                }
-
-                fractionals = Math.floor(Math.log(this.ygrid_scale.gridstep * this.ygrid_scale.labfact * this.viewfactor / this.magfact)/Math.LN10);
-                if (fractionals < 0) {  /* small amplitude. */
-                    var len = decimals - fractionals + 1;
-                    if (this.unitslength < len + 2) this.unitslength = len + 2;
-                    this.ygrid_scale.labfmt = this.sprintf("%%%d.%df%s", len, -fractionals, (this.symbol != ' ' ? " %s" : ""));
-                } else {
-                    var len = decimals + 1;
-                    if (this.unitslength < len + 2) this.unitslength = len + 2;
-                    this.ygrid_scale.labfmt = this.sprintf("%%%d.0f%s", len, (this.symbol != ' ' ? " %s" : ""));
-                }
-            } else {        /* classic rrd grid */
-                for (i = 0; this.ylab[i].grid > 0; i++) {
-                    pixel = this.ysize / (scaledrange / this.ylab[i].grid);
-                    gridind = i;
-                    if (pixel >= 5) break;
-                }
-                for (i = 0; i < 4; i++) {
-                    if (pixel * this.ylab[gridind].lfac[i] >= 1.8 * this.TEXT.AXIS.size) { // 1.8
-                        this.ygrid_scale.labfact = this.ylab[gridind].lfac[i];
-                        break;
-                    }
-                }
-                this.ygrid_scale.gridstep = this.ylab[gridind].grid * this.magfact;
-            }
-        } else {
-            this.ygrid_scale.gridstep = this.ygridstep;
-            this.ygrid_scale.labfact = this.ylabfact;
-        }
-    return true;
-    },
-    draw_horizontal_grid: function()
-    {
-        var i;
-        var scaledstep;
-        var graph_label;
-        var nlabels = 0;
-        var X0 = this.xorigin;
-        var X1 = this.xorigin + this.xsize;
-        var sgrid = Math.round(this.minval / this.ygrid_scale.gridstep - 1);
-        var egrid = Math.round(this.maxval / this.ygrid_scale.gridstep + 1);
-        var MaxY;
-        var second_axis_magfact = 0;
-        var second_axis_symb = '';
-        var Y0, YN;
-        var sisym;
-
-        scaledstep = this.ygrid_scale.gridstep / this.magfact * this.viewfactor;
-        MaxY = scaledstep * egrid;
-        for (i = sgrid; i <= egrid; i++) {
-            Y0 = this.ytr(this.ygrid_scale.gridstep * i);
-            YN = this.ytr(this.ygrid_scale.gridstep * (i + 1));
-            if (Math.floor(Y0 + 0.5) >= this.yorigin - this.ysize && Math.floor(Y0 + 0.5) <= this.yorigin) {
-                if (i % this.ygrid_scale.labfact === 0 || (nlabels === 1 && (YN < this.yorigin - this.ysize || YN > this.yorigin))) {
-                    if (this.symbol === ' ') {
-                        if (this.alt_ygridf) {
-                            graph_label = this.sprintf(this.ygrid_scale.labfmt, scaledstep * i); // FIXME
-                        } else {
-                            if (MaxY < 10) {
-                                graph_label = this.sprintf("%4.1f", scaledstep * i);
-                                //var dummy = scaledstep * i; // FIXME
-                                //graph_label = lpad(dummy.toFixed(1),' ',4);
-                            } else {
-                                graph_label = this.sprintf("%4.0f", scaledstep * i);
-                                //var dummy = scaledstep * i; // FIXME
-                                //graph_label = lpad(dummy.toFixed(),' ',4);
-                            }
-                        }
-                    } else {
-                        sisym = (i === 0 ? ' ' : this.symbol);
-                        if (this.alt_ygrid) {
-                            graph_label = this.sprintf(this.ygrid_scale.labfmt, scaledstep * i, sisym);
-                        } else {
-                            if (MaxY < 10) {
-                                graph_label = this.sprintf("%4.1f %s", scaledstep * i, sisym);
-                                //var dummy = scaledstep * i; // FIXME
-                                //graph_label = lpad(dummy.toFixed(1),' ',4)+' '+sisym;
-                            } else {
-                                graph_label = this.sprintf("%4.0f %s", scaledstep * i, sisym);
-                                //var dummy = scaledstep * i; // FIXME
-                                //graph_label = lpad(dummy.toFixed(),' ',4)+' '+sisym;
-                            }
-                        }
-                    }
-                    nlabels++;
-                    if (this.second_axis_scale != 0){
-                        var graph_label_right;
-                        sval = (this.ygrid_scale.gridstep *
-                                i *
-                                this.second_axis_scale +
-                                this.second_axis_shift);
-
-                        if (!this.second_axis_format) {
-                            if (!second_axis_magfact) {
-                                var dummy = (this.ygrid_scale.gridstep *
-                                             (sgrid+egrid)/2.0 *
-                                             this.second_axis_scale +
-                                             this.second_axis_shift);
-                                var scaled = this.auto_scale(
-                                    dummy, second_axis_symb,
-                                    second_axis_magfact);
-                                dummy = scaled[0];
-                                second_axis_symb = scaled[1];
-                                second_axis_magfact = scaled[2];
-                            }
-                            sval /= second_axis_magfact;
-                            if(MaxY < 10) {
-                                graph_label_right = this.sprintf("%5.1f %s", sval, second_axis_symb);
-                            } else {
-                                graph_label_right = this.sprintf("%5.0f %s", sval, second_axis_symb);
-                            }
-                        } else {
-                            graph_label_right = this.sprintf(this.second_axis_format, sval);
-                        }
-                        this.gfx_text (X1+7, Y0, this.GRC.FONT, this.TEXT.AXIS, this.tabwidth, 0.0, this.GFX_H.LEFT, this.GFX_V.CENTER, graph_label_right );
-                    }
-                    this.gfx_text(X0 - this.TEXT.AXIS.size , Y0, this.GRC.FONT, this.TEXT.AXIS , this.tabwidth, 0.0, this.GFX_H.RIGHT, this.GFX_V.CENTER, graph_label);
-                    this.gfx_line(X0 - 2, Y0, X0, Y0, this.MGRIDWIDTH, this.GRC.MGRID);
-                    this.gfx_line(X1, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID);
-                    this.gfx_dashed_line(X0 - 2, Y0, X1 + 2, Y0, this.MGRIDWIDTH, this.GRC.MGRID, this.grid_dash_on, this.grid_dash_off);
-                } else if (!this.no_minor) {
-                    this.gfx_line( X0 - 2, Y0, X0, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_line(X1, Y0, X1 + 2, Y0, this.GRIDWIDTH, this.GRC.GRID);
-                    this.gfx_dashed_line(X0 - 1, Y0, X1 + 1, Y0, this.GRIDWIDTH, this.GRC.GRID, this.grid_dash_on, this.grid_dash_off);
-                }
-            }
-        }
-        return 1;
-    },
-    grid_paint: function()
-    {
-        var i;
-        var res = 0;
-        var X0, Y0;
-
-        if (this.draw_3d_border > 0) {
-                i = this.draw_3d_border;
-                this.gfx_new_area(0, this.yimg, i, this.yimg - i, i, i, this.GRC.SHADEA);
-                this.gfx_add_point(this.ximg - i, i);
-                this.gfx_add_point(this.ximg, 0);
-                this.gfx_add_point(0, 0);
-                this.gfx_close_path();
-                this.gfx_new_area(i, this.yimg - i, this.ximg - i, this.yimg - i, this.ximg - i, i, this.GRC.SHADEB);
-                this.gfx_add_point(this.ximg, 0);
-                this.gfx_add_point(this.ximg, this.yimg);
-                this.gfx_add_point(0, this.yimg);
-                this.gfx_close_path();
-        }
-        if (this.draw_x_grid)
-            this.vertical_grid();
-        if (this.draw_y_grid) {
-            if (this.logarithmic)
-                res =	this.horizontal_log_grid();
-            else
-                res = this.draw_horizontal_grid();
-            /* dont draw horizontal grid if there is no min and max val */
-          if (!res) {
-            this.gfx_text(this.ximg / 2, (2 * this.yorigin - this.ysize) / 2,
-              this.GRC.FONT, this.TEXT.AXIS,
-              this.tabwidth, 0.0,
-              this.GFX_H.CENTER, this.GFX_V.CENTER, 'No Data found');
-          }
-        }
-
-        /* yaxis unit description */
-        if (this.ylegend){
-            this.gfx_text(this.xOriginLegendY+10, this.yOriginLegendY,
-                    this.GRC.FONT, this.TEXT.UNIT, this.tabwidth, this.YLEGEND_ANGLE,
-                    this.GFX_H.CENTER, this.GFX_V.CENTER, this.ylegend);
-
-        }
-        if (this.second_axis_legend){
-            this.gfx_text(this.xOriginLegendY2+10, this.yOriginLegendY2,
-                this.GRC.FONT, this.TEXT.UNIT, this.tabwidth, this.YLEGEND_ANGLE,
-                this.GFX_H.CENTER, this.GFX_V.CENTER, this.second_axis_legend);
-        }
-
-        /* graph title */
-        this.gfx_text(this.xOriginTitle, this.yOriginTitle+6,
-                 this.GRC.FONT, this.TEXT.TITLE, this.tabwidth, 0.0, this.GFX_H.CENTER, this.GFX_V.TOP, this.title);
-        /* rrdtool 'logo' */
-        if (!this.no_rrdtool_tag){
-            var color = this.parse_color(this.GRC.FONT);
-                color[3] = 0.3;
-                var water_color = this.color2rgba(color);
-            var xpos = this.legendposition === this.LEGEND_POS.EAST ? this.xOriginLegendY : this.ximg - 4;
-            this.gfx_text(xpos, 5, water_color, this.TEXT.WATERMARK, this.tabwidth,
-                 -90, this.GFX_H.LEFT, this.GFX_V.TOP, "RRDTOOL / TOBI OETIKER");
-        }
-        /* graph watermark */
-        if (this.watermark) {
-            var color = this.parse_color(this.GRC.FONT);
-                color[3] = 0.3;
-                var water_color = this.color2rgba(color);
-            this.gfx_text(this.ximg / 2, this.yimg - 6, water_color, this.TEXT.FONT , this.tabwidth, 0,
-                 this.GFX_H.CENTER, this.GFX_V.BOTTOM, this.watermark);
-        }
-        /* graph labels */
-        if (!(this.no_legend) && !(this.only_graph)) {
-            for (var i = 0 , gdes_c = this.gdes.length; i < gdes_c; i++) {
-                if (!this.gdes[i].legend) continue;
-                X0 = this.xOriginLegend + this.gdes[i].leg_x;
-                Y0 = this.legenddirection === this.LEGEND_DIR.TOP_DOWN ? this.yOriginLegend + this.gdes[i].leg_y : this.yOriginLegend + this.legendheight - this.gdes[i].leg_y;
-                this.gfx_text(X0, Y0, this.GRC.FONT, this.TEXT.LEGEND, this.tabwidth, 0.0, this.GFX_H.LEFT, this.GFX_V.BOTTOM, this.gdes[i].legend);
-                if (this.gdes[i].gf != RRDGraphDesc.GF.PRINT && this.gdes[i].gf != RRDGraphDesc.GF.GPRINT && this.gdes[i].gf != RRDGraphDesc.GF.COMMENT) {
-                var boxH, boxV;
-                var X1, Y1;
-
-                boxH = this.gfx_get_text_width(0,this.TEXT.LEGEND, this.tabwidth, 'o') * 1.2;
-                boxV = boxH;
-
-                Y0 -= boxV * 0.4;
-
-                if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.HRULE) {
-                    this.gfx_line(X0, Y0 - boxV / 2, X0 + boxH, Y0 - boxV / 2, 1.0, this.gdes[i].col);
-                } else if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.VRULE) {
-                    this.gfx_line(X0 + boxH / 2, Y0, X0 + boxH / 2, Y0 - boxV, 1.0, this.gdes[i].col);
-                } else if (this.dynamic_labels && this.gdes[i].gf === RRDGraphDesc.GF.LINE) {
-                    this.gfx_line(X0, Y0, X0 + boxH, Y0 - boxV, this.gdes[i].linewidth, this.gdes[i].col);
-                } else {
-                    this.gfx_new_area(X0, Y0 - boxV, X0, Y0, X0 + boxH, Y0, this.GRC.BACK);
-                        this.gfx_add_point(Math.round(X0 + boxH)+0.5, Math.round(Y0 - boxV)+0.5);
-                    this.gfx_close_path();
-                    this.gfx_new_area(X0, Y0 - boxV, X0, Y0, X0 + boxH, Y0, this.gdes[i].col);
-                    this.gfx_add_point(Math.round(X0 + boxH)+0.5, Math.round(Y0 - boxV)+0.5);
-                    this.gfx_close_path();
-                    this.ctx.save();
-
-                        this.ctx.beginPath();
-                        this.ctx.lineWidth = 1.0;
-                    X1 = X0 + boxH;
-                    Y1 = Y0 - boxV;
-                        X0 = Math.round(X0)+0.5;
-                        X1 = Math.round(X1)+0.5;
-                        Y0 = Math.round(Y0)+0.5;
-                        Y1 = Math.round(Y1)+0.5;
-                    this.ctx.moveTo(X0, Y0);
-                    this.ctx.lineTo(X1, Y0);
-                    this.ctx.lineTo(X1, Y1);
-                    this.ctx.lineTo(X0, Y1);
-                        this.ctx.closePath();
-                        this.ctx.strokeStyle = this.GRC.FRAME;
-                        this.ctx.stroke();
-                        this.ctx.restore();
-                    }
-//          if (this.gdes[i].dash) { FIXME
-//              double    dashes[] = { 3.0 };
-//              cairo_set_dash(this.cr, dashes, 1, 0.0);
-//          }
-                }
-            }
-        }
-    },
-    graph_size_location: function (elements)
-    {
-        var Xvertical = 0;
-        var Xvertical2 = 0;
-        var Ytitle = 0;
-        var Xylabel = 0;
-        var Xmain = 0;
-        var Ymain = 0;
-        var Yxlabel = 0;
-        var Xspacing = 15;
-        var Yspacing = 15;
-        var Ywatermark = 4;
-
-        if (this.only_graph) {
-            this.xorigin = 0;
-            this.ximg = this.xsize;
-            this.yimg = this.ysize;
-            this.yorigin = this.ysize;
-            this.ytr(Number.NaN);
-            return 0;
-        }
-
-        if(this.watermark)
-            Ywatermark = this.TEXT.WATERMARK.size * 1.5; // 2
-        if(this.ylegend)
-            Xvertical = this.TEXT.UNIT.size * 1.5; // 2
-        if(this.second_axis_legend)
-            Xvertical2 = this.TEXT.UNIT.size * 1.5; // 2
-
-        if(this.title)
-            Ytitle = this.TEXT.TITLE.size * 1.95 + 10; // 2.6
-        else
-            Ytitle = 1.5 * Yspacing;
-
-        if (elements) {
-            if (this.draw_x_grid)
-                Yxlabel = this.TEXT.AXIS.size * 1.35; // 2.5 1.87
-            if (this.draw_y_grid || this.forceleftspace)  // FIXME
-                Xylabel = this.gfx_get_text_width(0, this.TEXT.AXIS, this.tabwidth, '0') * this.unitslength;
-        }
-        Xylabel += Xspacing;
-        this.legendheight = 0;
-        this.legendwidth = 0;
-        if(!this.no_legend) {
-            if(this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST){
-                if (this.leg_place(1) === -1) return -1; // FIXME
-            }
-        }
-
-        if(this.full_size_mode) {
-            this.ximg = this.xsize;
-            this.yimg = this.ysize;
-            Xmain = this.ximg;
-            Ymain = this.yimg;
-
-            Xmain -= Xylabel;// + Xspacing;
-            if((this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST) && !(this.no_legend) )
-                Xmain -= this.legendwidth;// + Xspacing;
-            if (this.second_axis_scale != 0) Xmain -= Xylabel;
-            if (!(this.no_rrdtool_tag)) Xmain -= Xspacing;
-
-            Xmain -= Xvertical + Xvertical2;
-
-            if(Xmain < 1) Xmain = 1;
-            this.xsize = Xmain;
-
-            if (!(this.no_legend)) {
-                if(this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH){
-                    this.legendwidth = this.ximg;
-                    if (this.leg_place(0) === -1) return -1;
-                }
-            }
-
-            if( (this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH)  && !(this.no_legend) )
-                Ymain -=  Yxlabel + this.legendheight;
-            else Ymain -= Yxlabel;
-
-            Ymain -= Ytitle;
-
-            if (this.nolegened) Ymain -= Yspacing;
-            if (this.watermark) Ymain -= Ywatermark;
-            if(Ymain < 1) Ymain = 1;
-            this.ysize = Ymain;
-        } else {
-            if (elements) {
-//			Xmain = this.xsize; // + Xspacing;
-                Xmain = this.xsize + Xspacing; //FIXME ???
-                Ymain = this.ysize;
-            }
-            this.ximg = Xmain + Xylabel;
-            if (!this.no_rrdtool_tag) this.ximg += Xspacing;
-
-            if( (this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST) && !this.no_legend )
-                this.ximg += this.legendwidth;// + Xspacing;
-            if (this.second_axis_scale != 0) this.ximg += Xylabel;
-
-            this.ximg += Xvertical + Xvertical2;
-
-            if (!(this.no_legend)) {
-                if(this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH){
-                    this.legendwidth = this.ximg;
-                    if (this.leg_place(0) === -1) return -1;
-                }
-            }
-
-            this.yimg = Ymain + Yxlabel;
-            if( (this.legendposition === this.LEGEND_POS.NORTH || this.legendposition === this.LEGEND_POS.SOUTH)  && !(this.no_legend) )
-                 this.yimg += this.legendheight;
-
-            if (Ytitle) this.yimg += Ytitle;
-            else this.yimg += 1.5 * Yspacing;
-
-            if (this.no_legend) this.yimg += Yspacing;
-            if (this.watermark) this.yimg += Ywatermark;
-        }
-
-
-        if (!this.no_legend) {
-            if(this.legendposition === this.LEGEND_POS.WEST || this.legendposition === this.LEGEND_POS.EAST){
-                if (this.leg_place(0) === -1) return -1;
-            }
-        }
-
-        switch(this.legendposition){
-            case this.LEGEND_POS.NORTH:
-                this.xOriginTitle   = Math.round(Xvertical + Xylabel + (this.xsize / 2));
-                this.yOriginTitle   = 0;
-                this.xOriginLegend  = 0;
-                this.yOriginLegend  = Math.round(Ytitle);
-                this.xOriginLegendY = 0;
-                this.yOriginLegendY = Math.round(Ytitle + this.legendheight + (Ymain / 2) + Yxlabel);
-                this.xorigin        = Math.round(Xvertical + Xylabel);
-                this.yorigin        = Math.round(Ytitle + this.legendheight + Ymain);
-                this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain);
-                if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel;
-                this.yOriginLegendY2 = Math.round(Ytitle + this.legendheight + (Ymain / 2) + Yxlabel);
-                break;
-            case this.LEGEND_POS.WEST:
-                this.xOriginTitle   = Math.round(this.legendwidth + Xvertical + Xylabel + this.xsize / 2);
-                this.yOriginTitle   = 0;
-                this.xOriginLegend  = 0;
-                this.yOriginLegend  = Math.round(Ytitle);
-                this.xOriginLegendY = Math.round(this.legendwidth);
-                this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2));
-                this.xorigin        = Math.round(this.legendwidth + Xvertical + Xylabel);
-                this.yorigin        = Math.round(Ytitle + Ymain);
-                this.xOriginLegendY2 = Math.round(this.legendwidth + Xvertical + Xylabel + Xmain);
-                if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel;
-                this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2));
-                break;
-            case this.LEGEND_POS.SOUTH:
-                this.xOriginTitle   = Math.round(Xvertical + Xylabel + this.xsize / 2);
-                this.yOriginTitle   = 0;
-                this.xOriginLegend  = 0;
-                this.yOriginLegend  = Math.round(Ytitle + Ymain + Yxlabel);
-                this.xOriginLegendY = 0;
-                this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2));
-                this.xorigin        = Math.round(Xvertical + Xylabel);
-                this.yorigin        = Math.round(Ytitle + Ymain);
-                this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain);
-                if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel;
-                this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2));
-                break;
-            case this.LEGEND_POS.EAST:
-                this.xOriginTitle   = Math.round(Xvertical + Xylabel + this.xsize / 2);
-                this.yOriginTitle   = 0;
-                this.xOriginLegend  = Math.round(Xvertical + Xylabel + Xmain + Xvertical2);
-                if (this.second_axis_scale != 0) this.xOriginLegend += Xylabel;
-                this.yOriginLegend  = Math.round(Ytitle);
-                this.xOriginLegendY = 0;
-                this.yOriginLegendY = Math.round(Ytitle + (Ymain / 2));
-                this.xorigin        = Math.round(Xvertical + Xylabel);
-                this.yorigin        = Math.round(Ytitle + Ymain);
-                this.xOriginLegendY2 = Math.round(Xvertical + Xylabel + Xmain);
-                if (this.second_axis_scale != 0) this.xOriginLegendY2 += Xylabel;
-                this.yOriginLegendY2 = Math.round(Ytitle + (Ymain / 2));
-
-                if (!this.no_rrdtool_tag){
-                        this.xOriginTitle    += Xspacing;
-                        this.xOriginLegend   += Xspacing;
-                        this.xOriginLegendY  += Xspacing;
-                        this.xorigin         += Xspacing;
-                        this.xOriginLegendY2 += Xspacing;
-                }
-                break;
-        }
-        this.xtr(0);
-        this.ytr(Number.NaN);
-        return 0;
-    },
-    graph_paint: function()
-    {
-        if (this.logarithmic && this.minval <= 0)
-            throw "for a logarithmic yaxis you must specify a lower-limit > 0";
-
-//		var start_end = RRDTime.proc_start_end(this.start_t, this.end_t);
-//		this.start = start_end[0];
-//		this.end = start_end[1];
-
-        if (this.start < 3600 * 24 * 365 * 10)
-            throw "the first entry to fetch should be after 1980 ("+this.start+"%ld)";
-
-        if (this.end < this.start)
-            throw "start ("+this.start+") should be less than end ("+this.end+")";
-
-//	this.xlab_form = null
-        this.xlab_user = { minsec: -1, length: 0, gridtm: 0, gridst: 0, mgridtm: 0, mgridst: 0, labtm: 0, labst: 0, precis: 0, stst: null };
-        this.ygrid_scale = { gridstep: 0.0, labfact:0 , labfmt: null };
-        this.minval = this.setminval;
-        this.maxval = this.setmaxval;
-
-        this.step = Math.max(this.step, (this.end - this.start) / this.xsize);
-
-        for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-            this.gdes[i].step = 0;  // FIXME 0?
-            this.gdes[i].step_orig = this.step;
-            this.gdes[i].start = this.start; // FIXME SHIFT
-//			this.gdes[i].start_orig = this.start;
-            this.gdes[i].end = this.end; // FIXME SHIFT
-//			this.gdes[i].end_orig = this.end;
-        }
-
-        var areazero = 0.0;
-        var lastgdes = null;
-
-        if (this.data_fetch() === -1)
-            return -1;
-        if (this.data_calc() === -1)
-            return -1;
-        var i = this.print_calc();
-        if (i < 0)
-            return -1;
-        if (this.graph_size_location(i) === -1)
-            return -1;
-
-        if (this.data_proc() === -1)
-            return -1;
-        if (!this.logarithmic)
-            this.si_unit();
-        if (!this.rigid && !this.logarithmic)
-            this.expand_range();
-
-        if (this.magfact === 0) this.magfact =1; // FIXME XXX XXX  logarithmic Â?
-
-        if (!this.calc_horizontal_grid())
-            return -1;
-
-        this.ytr(Number.NaN);
-
-        this.canvas.height = this.yimg;
-        this.canvas.width = this.ximg;
-
-        this.gfx_new_area(0, 0, 0, this.yimg, this.ximg, this.yimg, this.GRC.BACK);
-        this.gfx_add_point(this.ximg, 0);
-        this.gfx_close_path();
-
-        this.gfx_new_area(this.xorigin, this.yorigin, this.xorigin + this.xsize,
-            this.yorigin, this.xorigin + this.xsize, this.yorigin - this.ysize, this.GRC.CANVAS);
-        this.gfx_add_point(this.xorigin, this.yorigin - this.ysize);
-        this.gfx_close_path();
-
-//	this.ctx.rect(this.xorigin, this.yorigin - this.ysize - 1.0, this.xsize, this.ysize + 2.0);
-//  this.ctx.clip();
-
-        if (this.minval > 0.0) areazero = this.minval;
-        if (this.maxval < 0.0) areazero = this.maxval;
-
-        for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-            switch (this.gdes[i].gf) {
-                case RRDGraphDesc.GF.CDEF:
-                case RRDGraphDesc.GF.VDEF:
-                case RRDGraphDesc.GF.DEF:
-                case RRDGraphDesc.GF.PRINT:
-                case RRDGraphDesc.GF.GPRINT:
-                case RRDGraphDesc.GF.COMMENT:
-                case RRDGraphDesc.GF.TEXTALIGN:
-                case RRDGraphDesc.GF.HRULE:
-                case RRDGraphDesc.GF.VRULE:
-                case RRDGraphDesc.GF.XPORT:
-                case RRDGraphDesc.GF.SHIFT:
-                    break;
-                case RRDGraphDesc.GF.TICK:
-                    for (var ii = 0; ii < this.xsize; ii++) {
-                        if (!isNaN(this.gdes[i].p_data[ii]) && this.gdes[i].p_data[ii] != 0.0) {
-                            if (this.gdes[i].yrule > 0) {
-                                this.gfx_line(this.xorigin + ii, this.yorigin + 1.0, this.xorigin + ii, this.yorigin - this.gdes[i].yrule * this.ysize, 1.0, this.gdes[i].col);
-                            } else if (this.gdes[i].yrule < 0) {
-                                this.gfx_line(this.xorigin + ii, this.yorigin - this.ysize - 1.0, this.xorigin + ii, this.yorigin - this.ysize - this.gdes[i].yrule * this.ysize, 1.0, this.gdes[i].col);
-                            }
-                        }
-                    }
-                    break;
-                case RRDGraphDesc.GF.LINE:
-                case RRDGraphDesc.GF.AREA:
-            var diffval = this.maxval - this.minval;
-            var maxlimit = this.maxval + 9 * diffval;
-            var minlimit = this.minval - 9 * diffval;
-            for (var ii = 0; ii < this.xsize; ii++) {
-                            if (!isNaN(this.gdes[i].p_data[ii])) { // FIXME NaN < ???
-                                if (!isFinite(this.gdes[i].p_data[ii])) {
-                                    if (this.gdes[i].p_data[ii] > 0) this.gdes[i].p_data[ii] = this.maxval;
-                                    else this.gdes[i].p_data[ii] = this.minval;
-                                }
-                                if (this.gdes[i].p_data[ii] > maxlimit) this.gdes[i].p_data[ii] = maxlimit;
-                                if (this.gdes[i].p_data[ii] < minlimit) this.gdes[i].p_data[ii] = minlimit;
-                            }
-            }
-                        var color = this.parse_color(this.gdes[i].col); // if (this.gdes[i].col.alpha != 0.0) {
-            if (color[3] != 0.0) {
-                            if (this.gdes[i].gf === RRDGraphDesc.GF.LINE) {
-                                var last_y = 0.0;
-                                var draw_on = false;
-
-                                this.ctx.save();
-                                this.ctx.beginPath();
-                                this.ctx.lineWidth = this.gdes[i].linewidth;
-                                //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset); FIXME
-                                for (var ii = 1; ii < this.xsize; ii++) {
-                                    if (isNaN(this.gdes[i].p_data[ii]) || (this.slopemode && isNaN(this.gdes[i].p_data[ii - 1]))) {
-                                        draw_on = false;
-                                        continue;
-                                    }
-                                    if (!draw_on) {
-                                        last_y = this.ytr(this.gdes[i].p_data[ii]);
-                                        if (!this.slopemode) {
-                                            var x = ii - 1 + this.xorigin;
-                                            var y = last_y;
-                                            x = Math.round(x)+0.5;
-                                            y = Math.round(y)+0.5;
-                                            this.ctx.moveTo(x, y);
-                                            x = ii + this.xorigin;
-                                            y = last_y;
-                                            x = Math.round(x)+0.5;
-                                            y = Math.round(y)+0.5;
-                                            this.ctx.lineTo(x, y);
-                                        } else {
-                                            var x = ii - 1 + this.xorigin;
-                                            var y = this.ytr(this.gdes[i].p_data[ii - 1]);
-                                            x = Math.round(x)+0.5;
-                                            y = Math.round(y)+0.5;
-                                            this.ctx.moveTo(x, y);
-                                            x = ii + this.xorigin;
-                                            y = last_y;
-                                            x = Math.round(x)+0.5;
-                                            y = Math.round(y)+0.5;
-                                            this.ctx.lineTo(x, y);
-                                        }
-                                        draw_on = true;
-                                    } else {
-                                        var x1 = ii + this.xorigin;
-                                        var y1 = this.ytr(this.gdes[i].p_data[ii]);
-
-                                        if (!this.slopemode && !this.AlmostEqual2sComplement(y1, last_y, 4)) {
-                                            var x = ii - 1 + this.xorigin;
-                                            var y = y1;
-
-                                            x = Math.round(x)+0.5;
-                                            y = Math.round(y)+0.5;
-                                            this.ctx.lineTo(x, y);
-                                        }
-                                        last_y = y1;
-                                        x1 = Math.round(x1)+0.5;
-                                        y1 = Math.round(y1)+0.5;
-                                        this.ctx.lineTo(x1, y1);
-                                    }
-                                }
-                                //cairo_set_source_rgba(this.cr, this.gdes[i].  col.red, this.gdes[i].  col.green, this.gdes[i].  col.blue, this.gdes[i].col.alpha);
-                                this.ctx.strokeStyle = this.gdes[i].col;
-                                this.ctx.lineCap = 'round'; //cairo_set_line_cap(this.cr, CAIRO_LINE_CAP_ROUND);
-                                this.ctx.round = 'round'; //cairo_set_line_join(this.cr, CAIRO_LINE_JOIN_ROUND);
-                                this.ctx.stroke();
-                                this.ctx.restore();
-                            } else {
-                                var idxI = -1;
-                                var foreY = [];
-                                var foreX = [];
-                                var backY = [];
-                                var backX = [];
-                                var drawem = false;
-
-                                for (ii = 0; ii <= this.xsize; ii++) {
-                                    var ybase, ytop;
-
-                                    if (idxI > 0 && (drawem || ii === this.xsize)) {
-                                        var cntI = 1;
-                                        var lastI = 0;
-
-                                        while (cntI < idxI && this.AlmostEqual2sComplement(foreY [lastI], foreY[cntI], 4) && this.AlmostEqual2sComplement(foreY [lastI], foreY [cntI + 1], 4))
-                                            cntI++;
-                                            this.gfx_new_area(backX[0], backY[0], foreX[0], foreY[0], foreX[cntI], foreY[cntI], this.gdes[i].col);
-                                            while (cntI < idxI) {
-                                                lastI = cntI;
-                                                cntI++;
-                                                while (cntI < idxI && this.AlmostEqual2sComplement(foreY [lastI], foreY[cntI], 4) && this.AlmostEqual2sComplement(foreY [lastI], foreY [cntI + 1], 4))
-                                                    cntI++;
-                                                this.gfx_add_point(foreX[cntI], foreY[cntI]);
-                                            }
-                                            this.gfx_add_point(backX[idxI], backY[idxI]);
-                                            while (idxI > 1) {
-                                                lastI = idxI;
-                                                idxI--;
-                                                while (idxI > 1 && this.AlmostEqual2sComplement(backY [lastI], backY[idxI], 4) && this.AlmostEqual2sComplement(backY [lastI], backY [idxI - 1], 4))
-                                                    idxI--;
-                                                this.gfx_add_point(backX[idxI], backY[idxI]);
-                                            }
-                                            idxI = -1;
-                                            drawem = false;
-                                            this.gfx_close_path();
-                                        }
-                                        if (drawem) {
-                                            drawem = false;
-                                            idxI = -1;
-                                        }
-                                        if (ii === this.xsize)
-                                            break;
-                                        if (!this.slopemode && ii === 0)
-                                                continue;
-                        if (isNaN(this.gdes[i].p_data[ii])) {
-                            drawem = true;
-                            continue;
-                        }
-                        ytop = this.ytr(this.gdes[i].p_data[ii]);
-                        if (lastgdes && this.gdes[i].stack) ybase = this.ytr(lastgdes.p_data[ii]);
-                        else ybase = this.ytr(areazero);
-                        if (ybase === ytop) {
-                            drawem = true;
-                            continue;
-                        }
-
-                        if (ybase > ytop) {
-                            var extra = ytop;
-                            ytop = ybase;
-                            ybase = extra;
-                        }
-                        if (!this.slopemode) {
-                            backY[++idxI] = ybase - 0.2;
-                            backX[idxI] = ii + this.xorigin - 1;
-                            foreY[idxI] = ytop + 0.2;
-                            foreX[idxI] = ii + this.xorigin - 1;
-                        }
-                        backY[++idxI] = ybase - 0.2;
-                        backX[idxI] = ii + this.xorigin;
-                        foreY[idxI] = ytop + 0.2;
-                        foreX[idxI] = ii + this.xorigin;
-                    }
-                }
-            }
-            /* if color != 0x0 */
-            /* make sure we do not run into trouble when stacking on NaN */
-            for (ii = 0; ii < this.xsize; ii++) {
-                if (isNaN(this.gdes[i].p_data[ii])) {
-                    if (lastgdes && (this.gdes[i].stack)) this.gdes[i].p_data[ii] = lastgdes.p_data[ii];
-                    else this.gdes[i].p_data[ii] = areazero;
-                }
-            }
-            lastgdes = this.gdes[i]; //lastgdes = &(this.gdes[i]);
-            break;
-        case RRDGraphDesc.GF.STACK:
-            throw "STACK should already be turned into LINE or AREA here";
-            break;
-            }
-    }
-//  cairo_reset_clip(this.cr);
-        if (!this.only_graph)
-            this.grid_paint();
-        if (!this.only_graph)
-            this.axis_paint();
-        /* the RULES are the last thing to paint ... */
-        for (var i = 0, gdes_c = this.gdes.length; i < gdes_c; i++) {
-            switch (this.gdes[i].gf) {
-                case RRDGraphDesc.GF.HRULE:
-                    if (this.gdes[i].yrule >= this.minval && this.gdes[i].yrule <= this.maxval) {
-                        //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset);
-                        this.gfx_line(this.xorigin, this.ytr(this.gdes[i].yrule), this.xorigin + this.xsize, this.ytr(this.gdes[i].yrule), 1.0, this.gdes[i].col);
-                    }
-                    break;
-                case RRDGraphDesc.GF.VRULE:
-                    if (this.gdes[i].xrule >= this.start && this.gdes[i].xrule <= this.end) {
-                    //if (this.gdes[i].dash) cairo_set_dash(this.cr, this.gdes[i].p_dashes, this.gdes[i].ndash, this.gdes[i].offset);
-            this.gfx_line(this.xtr(this.gdes[i].xrule), this.yorigin, this.xtr(this.gdes[i].xrule), this.yorigin - this.ysize, 1.0, this.gdes[i].col);
-          }
-          break;
-        default:
-          break;
-            }
-        }
-        return 0;
-    },
-    find_var: function(key)
-    {
-        for (var ii = 0, gdes_c = this.gdes.length; ii < gdes_c; ii++) {
-            if ((this.gdes[ii].gf === RRDGraphDesc.GF.DEF
-                 || this.gdes[ii].gf === RRDGraphDesc.GF.VDEF
-                 || this.gdes[ii].gf === RRDGraphDesc.GF.CDEF)
-                && this.gdes[ii].vname === key) {
-                return ii;
-            }
-        }
-        throw new Error('Key not found ' + key);
-    },
-    // DEF:<vname>=<rrdfile>:<ds-name>:<CF>[:step=<step>][:start=<time>][:end=<time>][:reduce=<CF>]
-    parse_def: function (line)
-    {
-        var args = line.split(/:/);
-        var n=1;
-        var vnames = args[n++].split('=');
-        var vname = vnames[0];
-        var rrdfile = vnames[1];
-        var name = args[n++];
-        var cf = args[n++];
-        var step = undefined;
-        var reduce = undefined;
-        var start = undefined;
-        var end = undefined;
-        if (args.length > n) {
-            for (var j = n, xlen = args.length ; j < xlen ; j++) {
-                var opts = args[j].split("=");
-                if (opts[0] === "step") step = opts[1];
-                if (opts[0] === "reduce") reduce = opts[1];
-                if (opts[0] === "start") start = opts[1];
-                if (opts[0] === "end") end = opts[1];
-            }
-        }
-        this.create_def(vname, rrdfile, name, cf, step, start, end, reduce);
-    },
-    create_def: function (vname, rrdfile, name, cf, step, start, end, reduce)
-    {
-        var gdp = new RRDGraphDesc(this);
-        var start_t = new RRDTime(this.start);
-        var end_t = new RRDTime(this.end);
-
-        gdp.gf = RRDGraphDesc.GF.DEF;
-        gdp.vname = vname;
-//        gdp.vidx = this.find_var(vname);
-        gdp.rrd = rrdfile;
-        gdp.ds_nam = name;
-        gdp.cf = this.cf_conv(cf);
-
-        if (step != undefined && step != null)
-            gdp.step = step;
-        if (start != undefined && start != null)
-            start_t = new RRDTime(start);
-        if (end != undefined && end != null)
-            end_t = new RRDTime(end);
-        if (reduce  === undefined || reduce === null)
-            gdp.cf_reduce = gdp.cf; // ¿?
-        else
-            gdp.cf_reduce = this.cf_conv(reduce);
-        gdp.legend = '';
-
-        var start_end = RRDTime.proc_start_end(start_t, end_t); // FIXME here?
-        gdp.start = start_end[0];
-        gdp.end = start_end[1];
-        gdp.start_orig = start_end[0];
-        gdp.end_orig = start_end[1];
-
-        this.gdes.push(gdp);
-    },
-    // CDEF:vname=RPN expression
-    parse_cdef: function (line)
-    {
-        var args = line.split(/:|=/);
-        this.create_cdef(args[1], args[2]);
-    },
-    create_cdef:function (vname, rpn)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.CDEF;
-        gdp.vname = vname;
-        gdp.vidx = this.find_var(vname);
-
-        gdp.rpnp = new RRDRpn(rpn,this.gdes);
-
-        gdp.legend = '';
-        this.gdes.push(gdp);
-    },
-    // VDEF:vname=RPN expression
-    parse_vdef: function (line)
-    {
-        var args = line.split(/:|=/);
-        this.create_vdef(args[1], args[2]);
-    },
-    create_vdef:function (vname, rpn)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.VDEF;
-        gdp.vname = vname;
-
-        var index = rpn.indexOf(',');
-        var name = rpn.substring(0,index);
-        var vidx = this.find_var(name);
-        if (vidx === -1) {
-            throw 'variable "'+name+'" does not exist in VDEF.';
-        } else {
-            gdp.vidx = vidx;
-        }
-        if (this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.DEF
-            && this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.CDEF) {
-            throw 'variable "'+name+'" not DEF nor CDEF in VDEF.';
-        }
-
-        this.vdef_parse(gdp, rpn.substring(index+1));
-
-        gdp.legend = '';
-        this.gdes.push(gdp);
-    },
-    // SHIFT:vname:offset
-    parse_shift: function (line)
-    {
-        var args = line.split(':');
-        this.create_shift(args[1], args[2]);
-    },
-    create_shift: function (vname, offset)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.SHIFT;
-        gdp.vname = vname; // Â?
-        gdp.vidx = this.find_var(vname); // FIXME checks
-
-        if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF)
-            throw "Cannot shift a VDEF: '%s' in line '"+this.gdes[gdp.vidx].vname+"'";
-        if  (this.gdes[gdp.vidx].gf !== RRDGraphDesc.GF.DEF && this.gdes[gdp.vidx].gf !== RRDGraphDesc.GF.CDEF)
-            throw "Encountered unknown type variable '"+this.gdes[gdp.vidx].vname+"'";
-
-        gdp.shidx = this.find_var(offset);
-        if (gdp.shidx >= 0) {
-            if  (this.gdes[gdp.shidx].gf === RRDGraphDesc.GF.DEF || this.gdes[gdp.shidx].gf === RRDGraphDesc.GF.CDEF)
-                throw "Offset cannot be a (C)DEF: '"+this.gdes[gdp.shidx].gf+"'";
-            if  (this.gdes[gdp.shidx].gf !== RRDGraphDesc.GF.VDEF)
-                throw "Encountered unknown type variable '"+this.gdes[gdp.shidx].vname+"'";
-        } else {
-            gdp.shval = parseInt(offset, 10); // FIXME check
-            gdp.shidx = -1;
-        }
-        gdp.legend = '';
-        this.gdes.push(gdp);
-    },
-    // LINE[width]:value[#color][:[legend][:STACK]][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
-    parse_line: function (line)
-    {
-        var args = line.split(/#|:/);
-        var width = parseFloat(args[0].substr(4));
-        var stack = args[4] === 'STACK' ? true : undefined;
-        var color = this.parse_color(args[2]);
-        this.create_line(width, args[1], this.color2rgba(color), args[3], stack);
-    },
-    create_line: function (width, value, color, legend, stack)
-    {
-        var gdp = new	RRDGraphDesc(this);
-
-        gdp.gf = RRDGraphDesc.GF.LINE;
-        gdp.vname = value;
-        gdp.vidx = this.find_var(value);
-        gdp.linewidth = width;
-        gdp.col = color;
-        if (legend === undefined) gdp.legend = '';
-        else gdp.legend = '  '+legend;
-        if (stack === undefined) gdp.stack = false;
-        else gdp.stack = stack;
-        gdp.format = gdp.legend;
-        this.gdes.push(gdp);
-    },
-    // AREA:value[#color][:[legend][:STACK]]
-    parse_area: function (line)
-    {
-        var args = line.split(/#|:/);
-        var stack = args[3] === 'STACK' ? true : undefined;
-        var color = this.parse_color(args[2]);
-        this.create_area(args[1], this.color2rgba(color), stack);
-    },
-    create_area: function (value, color, legend, stack)
-    {
-        var gdp = new	RRDGraphDesc(this);
-
-        gdp.gf = RRDGraphDesc.GF.AREA;
-        gdp.vname = value;
-        gdp.vidx = this.find_var(value);
-        gdp.col = color;
-        if (legend === undefined) gdp.legend = '';
-        else gdp.legend = '  '+legend;
-        if (stack === undefined) gdp.stack = false;
-        else gdp.stack = stack;
-        gdp.format = gdp.legend;
-        this.gdes.push(gdp);
-    },
-    // TICK:vname#rrggbb[aa][:fraction[:legend]]
-    parse_tick: function (line)
-    {
-        var args = line.split(/:|#/);
-        var color = this.parse_color(args[2]);
-        this.create_tick(args[1], this.color2rgba(color), args[3], args[4]);
-    },
-    create_tick: function (vname, color, fraction, legend)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.TICK;
-        gdp.vname = vname;
-        gdp.vidx = this.find_var(vname);
-        gdp.col = color;
-        if (legend !== undefined)
-            gdp.yrule = fraction;
-        if (legend === undefined) gdp.legend = '';
-        else gdp.legend = '  '+legend;
-        gdp.format = gdp.legend;
-        this.gdes.push(gdp);
-    },
-    // GPRINT:vname:format
-    parse_gprint: function(line)
-    {
-        var args = line.split(':');
-        var strftime = false;
-        var vname = args[1];
-        var cf = args[2];
-        var format = "";
-        if (args.length > 3) {
-            var m=0;
-            for (var j = 3, xlen = args.length ; j < xlen ; j++) {
-                if (args[j] === 'strftime') {
-                    strftime = true;
-                } else {
-                    if (m>0) {
-                        format = format + ':'+ args[j];
-                    } else {
-                        format = args[j];
-                    }
-                    m++;
-                }
-            }
-        }
-        this.create_gprint(vname, cf, format, strftime);
-    },
-    create_gprint: function (vname, cf, format, strftime)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.GPRINT;
-        gdp.vname = vname;
-        gdp.vidx = this.find_var(vname);
-        gdp.legend = '';
-        if (format === undefined) {
-            gdp.format = cf;
-            switch (this.gdes[gdp.vidx].gf) {
-                case RRDGraphDesc.GF.DEF:
-                case RRDGraphDesc.GF.CDEF:
-                    gdp.cf = this.gdes[gdp.vidx].cf;
-                    break;
-                case RRDGraphDesc.GF.VDEF:
-                    break;
-                default:
-                    throw "Encountered unknown type variable "+this.gdes[gdp.vidx].vname;
-            }
-        } else {
-            gdp.cf = this.cf_conv(cf);
-            gdp.format = format;
-        }
-    //	if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && gdp.strftm === true) // FIXME
-        if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && strftime === true) // FIXME
-            gdp.strftm = true;
-        this.gdes.push(gdp);
-    },
-    //COMMENT:text
-    parse_comment: function (line)
-    {
-        var index = line.indexOf(':');
-        this.create_comment(line.substr(index+1));
-    },
-    create_comment: function (text)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.COMMENT;
-        gdp.vidx = -1;
-        gdp.legend = text;
-        this.gdes.push(gdp);
-    },
-    // TEXTALIGN:{left|right|justified|center}
-    parse_textaling: function (line)
-    {
-        var index = line.indexOf(':');
-        this.create_textaling(line.substr(index+1));
-    },
-    create_textalign: function (align)
-    {
-        var gdp = new	RRDGraphDesc(this);
-        gdp.gf = RRDGraphDesc.GF.TEXTALIGN;
-        gdp.vidx = -1;
-        if (align === "left") {
-            gdp.txtalign = RRDGraphDesc.TXA.LEFT;
-        } else if (align === "right") {
-            gdp.txtalign = RRDGraphDesc.TXA.RIGHT;
-        } else if (align === "justified") {
-            gdp.txtalign = RRDGraphDesc.TXA.JUSTIFIED;
-        } else if (align === "center") {
-            gdp.txtalign = RRDGraphDesc.TXA.CENTER;
-        } else {
-            throw "Unknown alignement type '"+align+"'";
-    }
-        this.gdes.push(gdp);
-    },
-    // VRULE:time#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
-    parse_vrule: function (line)
-    {
-        var args = line.split(/:|#/);
-        this.create_vrule(args[1], '#'+args[2], args[3]);
-    },
-    create_vrule: function (time, color, legend)
-    {
-        var gdp = new	RRDGraphDesc(this);
-
-        gdp.gf = RRDGraphDesc.GF.VRULE;
-        gdp.xrule = time;
-        gdp.col = color;
-        if (legend === undefined) gdp.legend = '';
-        else gdp.legend = '  '+legend;
-        this.gdes.push(gdp);
-    },
-    // HRULE:value#color[:legend][:dashes[=on_s[,off_s[,on_s,off_s]...]][:dash-offset=offset]]
-    parse_hrule: function (line)
-    {
-        var args = line.split(/:|#/);
-        this.create_hrule(args[1], '#'+args[2], args[3]);
-    },
-    create_hrule: function (value, color, legend)
-    {
-        var gdp = new	RRDGraphDesc(this);
-
-        gdp.gf = RRDGraphDesc.GF.HRULE;
-        gdp.yrule = value;
-        gdp.col = color;
-        if (legend === undefined) gdp.legend = '';
-        else gdp.legend = '  '+legend;
-
-        this.gdes.push(gdp);
-    },
-    cf_conv: function (str)
-    {
-        switch (str){
-        case 'AVERAGE': return RRDGraphDesc.CF.AVERAGE;
-            case 'MIN': return RRDGraphDesc.CF.MINIMUM;
-            case 'MAX': return RRDGraphDesc.CF.MAXIMUM;
-            case 'LAST': return RRDGraphDesc.CF.LAST;
-            case 'HWPREDICT': return RRDGraphDesc.CF.HWPREDICT;
-            case 'MHWPREDICT': return RRDGraphDesc.CF.MHWPREDICT;
-            case 'DEVPREDICT': return RRDGraphDesc.CF.DEVPREDICT;
-            case 'SEASONAL': return RRDGraphDesc.CF.SEASONAL;
-            case 'DEVSEASONAL': return RRDGraphDesc.CF.DEVSEASONAL;
-            case 'FAILURES': return RRDGraphDesc.CF.FAILURES;
-        }
-        return -1;
-    },
-    tmt_conv: function (str)
-    {
-        switch (str) {
-            case 'SECOND': return RRDGraph.TMT.SECOND;
-            case 'MINUTE': return RRDGraph.TMT.MINUTE;
-            case 'HOUR': return RRDGraph.TMT.HOUR;
-            case 'DAY': return RRDGraph.TMT.DAY;
-            case 'WEEK': return RRDGraph.TMT.WEEK;
-            case 'MONTH': return RRDGraph.TMT.MONTH;
-            case 'YEAR': return RRDGraph.TMT.YEAR;
-        }
-        return -1;
-    },
-  // struct graph_desc_t *gdes, const char *const str)
-    vdef_parse: function(gdes, str)
-    { /* A VDEF currently is either "func" or "param,func" so the parsing is rather simple.  Change if needed. */
-        var param;
-        var func;
-        var n;
-
-    n = 0;
-        var index = str.indexOf(',');
-        if (index != -1) {
-            param = parseFloat(str.substr(0,index));
-            func = str.substr(index+1);
-    } else {
-            param = Number.NaN;
-            func = str;
-    }
-
-        gdes.vf = { op: null, param: null, val: null, when: null };
-
-    if (func === 'PERCENT') gdes.vf.op = RRDGraphDesc.VDEF.PERCENT;
-    else if (func === 'PERCENTNAN') gdes.vf.op = RRDGraphDesc.VDEF.PERCENTNAN;
-    else if (func === 'MAXIMUM') gdes.vf.op = RRDGraphDesc.VDEF.MAXIMUM;
-    else if (func === 'AVERAGE') gdes.vf.op = RRDGraphDesc.VDEF.AVERAGE;
-    else if (func === 'STDEV') gdes.vf.op = RRDGraphDesc.VDEF.STDEV;
-    else if (func === 'MINIMUM') gdes.vf.op = RRDGraphDesc.VDEF.MINIMUM;
-    else if (func === 'TOTAL') gdes.vf.op = RRDGraphDesc.VDEF.TOTAL;
-    else if (func === 'FIRST') gdes.vf.op = RRDGraphDesc.VDEF.FIRST;
-    else if (func === 'LAST') gdes.vf.op = RRDGraphDesc.VDEF.LAST;
-    else if (func === 'LSLSLOPE') gdes.vf.op = RRDGraphDesc.VDEF.LSLSLOPE;
-    else if (func === 'LSLINT') gdes.vf.op = RRDGraphDesc.VDEF.LSLINT;
-    else if (func === 'LSLCORREL') gdes.vf.op = RRDGraphDesc.VDEF.LSLCORREL;
-    else {
-        throw 'Unknown function "'+func+'" in VDEF "'+gdes.vame+'"';
-    }
-
-    switch (gdes.vf.op) {
-            case RRDGraphDesc.VDEF.PERCENT:
-        case RRDGraphDesc.VDEF.PERCENTNAN:
-        if (isNaN(param)) { /* no parameter given */
-                    throw "Function '"+func+"' needs parameter in VDEF '"+gdes.vname+"'";
-        }
-        if (param >= 0.0 && param <= 100.0) {
-                    gdes.vf.param = param;
-                    gdes.vf.val = Number.NaN;    /* undefined */
-                    gdes.vf.when = 0;  /* undefined */
-        } else {
-                    throw "Parameter '"+param+"' out of range in VDEF '"+gdes.vname+"'";
-        }
-        break;
-            case RRDGraphDesc.VDEF.MAXIMUM:
-            case RRDGraphDesc.VDEF.AVERAGE:
-            case RRDGraphDesc.VDEF.STDEV:
-            case RRDGraphDesc.VDEF.MINIMUM:
-            case RRDGraphDesc.VDEF.TOTAL:
-            case RRDGraphDesc.VDEF.FIRST:
-            case RRDGraphDesc.VDEF.LAST:
-            case RRDGraphDesc.VDEF.LSLSLOPE:
-            case RRDGraphDesc.VDEF.LSLINT:
-            case RRDGraphDesc.VDEF.LSLCORREL:
-        if (isNaN(param)) {
-                    gdes.vf.param = Number.NaN;
-                    gdes.vf.val = Number.NaN;
-                    gdes.vf.when = 0;
-        } else {
-                    throw "Function '"+func+"' needs no parameter in VDEF '"+gdes.vname+"'";
-        }
-        break;
-        }
-    return 0;
-    },
-    vdef_calc: function(gdi)
-    {
-    var src, dst;
-    var data;
-    var step, steps;
-
-    dst = this.gdes[gdi];
-    src = this.gdes[dst.vidx];
-    //data = src.data + src.ds; // FIXME ¿?
-        data = src.data;
-
-    steps = (src.end - src.start) / src.step;
-
-        switch (dst.vf.op) {
-            case RRDGraphDesc.VDEF.PERCENT:
-        var array = [];
-        var field;
-
-        for (step = 0; step < steps; step++) {
-            array[step] = data[step * src.ds_cnt];
-        }
-        array.sort(this.vdef_percent_compar);
-        field = Math.round((dst.vf.param * (steps - 1)) / 100.0);
-        dst.vf.val = array[field];
-        dst.vf.when = 0;   /* no time component */
-        break;
-      case RRDGraphDesc.VDEF.PERCENTNAN:
-                var array = [];
-                var field;
-            //var nancount=0;
-
-                field=0;
-                for (step = 0; step < steps; step++) {
-                    if (!isNaN(data[step * src.ds_cnt])) {
-                        array[field] = data[step * src.ds_cnt];
-                    }
-                }
-                array.sort(vdef_percent_compar);
-                field = Math.round(dst.vf.param * (field - 1) / 100.0);
-                dst.vf.val = array[field];
-                dst.vf.when = 0;   /* no time component */
-                break;
-        case RRDGraphDesc.VDEF.MAXIMUM:
-                step = 0;
-                while (step != steps && isNaN(data[step * src.ds_cnt])) step++;
-                if (step === steps) {
-                    dst.vf.val = Number.NaN;
-                    dst.vf.when = 0;
-                } else {
-                    dst.vf.val = data[step * src.ds_cnt];
-                    dst.vf.when = src.start + (step + 1) * src.step;
-                }
-                while (step != steps) {
-                    if (isFinite(data[step * src.ds_cnt])) {
-                        if (data[step * src.ds_cnt] > dst.vf.val) {
-                            dst.vf.val = data[step * src.ds_cnt];
-                            dst.vf.when = src.start + (step + 1) * src.step;
-                        }
-                    }
-                    step++;
-                }
-                break;
-            case RRDGraphDesc.VDEF.TOTAL:
-            case RRDGraphDesc.VDEF.STDEV:
-            case RRDGraphDesc.VDEF.AVERAGE:
-                var cnt = 0;
-                var sum = 0.0;
-                var average = 0.0;
-
-                for (step = 0; step < steps; step++) {
-                    if (isFinite(data[step * src.ds_cnt])) {
-                        sum += data[step * src.ds_cnt];
-                        cnt++;
-                    }
-                }
-
-                if (cnt) {
-                    if (dst.vf.op === RRDGraphDesc.VDEF.TOTAL) {
-                        dst.vf.val = sum * src.step;
-                        dst.vf.when = 0;   /* no time component */
-                    } else if (dst.vf.op === RRDGraphDesc.VDEF.AVERAGE) {
-                        dst.vf.val = sum / cnt;
-                        dst.vf.when = 0;   /* no time component */
-                    } else {
-                        average = sum / cnt;
-                        sum = 0.0;
-                        for (step = 0; step < steps; step++) {
-                            if (isFinite(data[step * src.ds_cnt])) {
-                                sum += Math.pow((data[step * src.ds_cnt] - average), 2.0);
-                            }
-                        }
-                        dst.vf.val = Math.pow(sum / cnt, 0.5);
-                        dst.vf.when = 0;   /* no time component */
-                    }
-                } else {
-                    dst.vf.val = Number.NaN;
-                    dst.vf.when = 0;
-                }
-                break;
-            case RRDGraphDesc.VDEF.MINIMUM:
-                step = 0;
-                while (step != steps && isNaN(data[step * src.ds_cnt])) step++;
-                if (step === steps) {
-                    dst.vf.val = Number.NaN;
-                    dst.vf.when = 0;
-                } else {
-                    dst.vf.val = data[step * src.ds_cnt];
-                        dst.vf.when = src.start + (step + 1) * src.step;
-                }
-                while (step != steps) {
-                    if (isFinite(data[step * src.ds_cnt])) {
-                        if (data[step * src.ds_cnt] < dst.vf.val) {
-                            dst.vf.val = data[step * src.ds_cnt];
-                            dst.vf.when = src.start + (step + 1) * src.step;
-                        }
-                    }
-                    step++;
-                }
-                break;
-            case RRDGraphDesc.VDEF.FIRST:
-                step = 0;
-                while (step != steps && isNaN(data[step * src.ds_cnt])) step++;
-                if (step === steps) {    /* all entries were NaN */
-                    dst.vf.val = Number.NaN;
-                    dst.vf.when = 0;
-                } else {
-                    dst.vf.val = data[step * src.ds_cnt];
-                    dst.vf.when = src.start + step * src.step;
-                }
-                break;
-            case RRDGraphDesc.VDEF.LAST:
-                step = steps - 1;
-                while (step >= 0 && isNaN(data[step * src.ds_cnt])) step--;
-                if (step < 0) { /* all entries were NaN */
-                    dst.vf.val = Number.NaN;
-                    dst.vf.when = 0;
-                } else {
-                    dst.vf.val = data[step * src.ds_cnt];
-                    dst.vf.when = src.start + (step + 1) * src.step;
-                }
-                break;
-            case RRDGraphDesc.VDEF.LSLSLOPE:
-            case RRDGraphDesc.VDEF.LSLINT:
-            case RRDGraphDesc.VDEF.LSLCORREL:
-                var cnt = 0;
-                var SUMx, SUMy, SUMxy, SUMxx, SUMyy, slope, y_intercept, correl;
-
-                SUMx = 0;
-                SUMy = 0;
-                SUMxy = 0;
-                SUMxx = 0;
-                SUMyy = 0;
-
-                for (step = 0; step < steps; step++) {
-                    if (isFinite(data[step * src.ds_cnt])) {
-                        cnt++;
-                        SUMx += step;
-                        SUMxx += step * step;
-                        SUMxy += step * data[step * src.ds_cnt];
-                        SUMy += data[step * src.ds_cnt];
-                        SUMyy += data[step * src.ds_cnt] * data[step * src.ds_cnt];
-                    }
-                }
-
-                slope = (SUMx * SUMy - cnt * SUMxy) / (SUMx * SUMx - cnt * SUMxx);
-                y_intercept = (SUMy - slope * SUMx) / cnt;
-                correl = (SUMxy - (SUMx * SUMy) / cnt) / Math.sqrt((SUMxx - (SUMx * SUMx) / cnt) * (SUMyy - (SUMy * SUMy) / cnt));
-
-                if (cnt) {
-                    if (dst.vf.op === RRDGraphDesc.VDEF.LSLSLOPE) {
-                        dst.vf.val = slope;
-                        dst.vf.when = 0;
-                    } else if (dst.vf.op === RRDGraphDesc.VDEF.LSLINT) {
-                        dst.vf.val = y_intercept;
-                        dst.vf.when = 0;
-                    } else if (dst.vf.op === RRDGraphDesc.VDEF.LSLCORREL) {
-                        dst.vf.val = correl;
-                            dst.vf.when = 0;
-                    }
-                } else {
-                    dst.vf.val = DNAN;
-                    dst.vf.when = 0;
-                }
-                break;
-        }
-        return 0;
-    },
-    vdef_percent_compar: function (a, b)
-    { /* Equality is not returned; this doesn't hurt except (maybe) for a little performance.  */
-        /* NaN < -INF < finite_values < INF */
-    if (isNaN(a)) return -1;
-    if (isNaN(b)) return 1;
-    /* NaN doesn't reach this part so INF and -INF are extremes.  The sign from isinf() is compatible with the sign we return */
-    if (!isFinite(a)) {
-                if (a === -Infinity) return -1;
-                else return 1;
-        }
-    if (!isFinite(b)) {
-                if (b === -Infinity) return -1;
-                else return 1;
-        }
-    /* If we reach this, both values must be finite */
-    if (a < b) return -1;
-    else return 1;
-    },
-    rrd_fetch: function(gdp, ft_step)
-    {
-    var cal_start, cal_end;
-    var best_full_rra = 0, best_part_rra = 0, chosen_rra = 0;
-    var best_full_step_diff = 0, best_part_step_diff = 0, tmp_step_diff = 0, tmp_match = 0, best_match = 0;
-    var full_match, rra_base;
-    var first_full = 1;
-    var first_part = 1;
-    var rrd;
-    var data_ptr;
-    var rows;
-
-        try {
-            if (this.rrdfiles[gdp.rrd]) {
-                rrd = this.rrdfiles[gdp.rrd];
-            } else {
-                var bf = FetchBinaryURL(gdp.rrd);
-                rrd = new RRDFile(bf);
-                this.rrdfiles[gdp.rrd] = rrd;
-            }
-        } catch(err) {
-            console.log(err.message);
-            console.log(err.stack);
-            throw "File "+gdp.rrd+" is not a valid RRD archive!";
-        }
-
-        var cf_idx = gdp.cf;
-        var ds_cnt = rrd.getNrDSs();
-        var rra_cnt = rrd.getNrRRAs();
-
-    for (var i = 0; i < ds_cnt; i++)
-            gdp.ds_namv[i] = rrd.rrd_header.getDSbyIdx(i).getName();
-
-        for (var i = 0; i < rra_cnt; i++) {
-            var rra = rrd.getRRAInfo(i);
-            if (this.cf_conv(rra.getCFName()) === cf_idx) {
-                cal_end = (rrd.getLastUpdate() - (rrd.getLastUpdate() % (rra.getPdpPerRow() * rra.pdp_step)));
-                cal_start = (cal_end - (rra.getPdpPerRow() * rra.row_cnt * rra.pdp_step));
-                full_match = gdp.end - gdp.start;
-
-                tmp_step_diff = Math.abs(ft_step - (rrd.getMinStep() * rra.pdp_cnt));
-                if (cal_start <= gdp.start) {
-                    if (first_full || (tmp_step_diff < best_full_step_diff)) {
-                        first_full = 0;
-                        best_full_step_diff = tmp_step_diff;
-                        best_full_rra = i;
-                    }
-                } else {
-                    tmp_match = full_match;
-                    if (cal_start > gdp.start) tmp_match -= (cal_start - gdp.start);
-                    if (first_part || (best_match < tmp_match) || (best_match === tmp_match && tmp_step_diff < best_part_step_diff)) {
-                        first_part = 0;
-                        best_match = tmp_match;
-                        best_part_step_diff = tmp_step_diff;
-                        best_part_rra = i;
-                    }
-                }
-            }
-        }
-
-        if (first_full === 0) chosen_rra = best_full_rra;
-        else if (first_part === 0) chosen_rra = best_part_rra;
-        else throw "the RRD does not contain an RRA matching the chosen CF";
-
-        var rra_info = rrd.getRRAInfo(chosen_rra);
-        var rra = rrd.getRRA(chosen_rra);
-
-        ft_step = rrd.rrd_header.pdp_step * rra_info.getPdpPerRow();
-    gdp.start -= (gdp.start % ft_step);
-    gdp.end += (ft_step - gdp.end % ft_step);
-    rows = (gdp.end - gdp.start) / ft_step + 1;
-
-        gdp.ds_cnt = ds_cnt;
-    data_ptr = 0;
-
-    var rra_end_time = (rrd.getLastUpdate() - (rrd.getLastUpdate() % ft_step));
-    var rra_start_time = (rra_end_time - (ft_step * (rra_info.row_cnt - 1)));
-    /* here's an error by one if we don't be careful */
-    var start_offset = (gdp.start + ft_step - rra_start_time) / ft_step;
-    var end_offset = (rra_end_time - gdp.end) / ft_step;
-
-        gdp.data = [];
-
-        for (i = start_offset; i < rra.row_cnt - end_offset; i++) {
-            if (i < 0) {
-                for (var ii = 0; ii < ds_cnt; ii++) gdp.data[data_ptr++] = Number.NaN;
-            } else if (i >= rra.row_cnt) {
-            for (var ii = 0; ii < ds_cnt; ii++) gdp.data[data_ptr++] = Number.NaN;
-            } else {
-                for (var ii = 0; ii < ds_cnt; ii++) {
-                     gdp.data[data_ptr++] = rra.getEl(i, ii);
-                }
-            }
-        }
-        return ft_step;
-    }
-};
diff --git a/docs/examples/index.html b/docs/examples/index.html
index ddd2a50..cd75c48 100644
--- a/docs/examples/index.html
+++ b/docs/examples/index.html
@@ -12,9 +12,7 @@
             href="assets/css/tabs-no-images.css" />
       <link rel="stylesheet" type="text/css"
             href="assets/css/jquerytools.dateinput.skin1.css" />
-
       <script type="text/javascript" src="assets/js/dependencies.js"></script>
-      <script type="text/javascript" src="assets/js/jsrrdgraph.js"></script>
       <script type="text/javascript" src="../../jarmon/jarmon.js"></script>
       <script type="text/javascript" src="jarmon_example_recipes.js"></script>
       <script type="text/javascript">