Various reference fixes

6 files changed, 26 insertions, 18 deletions

diff --git a/dist/svg.js b/dist/svg.js
index 1762668..ca93304 100755
--- a/dist/svg.js
+++ b/dist/svg.js
@@ -1,4 +1,4 @@
-/* svg.js 1.0.0-rc.10-5-gbb0e6be - svg selector inventor adopter regex utilities default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc spof shape symbol use rect ellipse line poly path image text textpath nested hyperlink marker sugar set data memory loader helpers polyfill - svgjs.com/license */
+/* svg.js 1.0.0-rc.10-6-g19b6fd4 - svg selector inventor adopter regex utilities default color array pointarray patharray number viewbox bbox rbox element parent container fx relative event defs group arrange mask clip gradient pattern doc spof shape symbol use rect ellipse line poly path image text textpath nested hyperlink marker sugar set data memory loader helpers polyfill - svgjs.com/license */
 ;(function() {
 
   var SVG = this.SVG = function(element) {
@@ -998,7 +998,7 @@
       
       /* calculate cumulative zoom from svg documents */
       e = element
-      while (e = e.parent()) {
+      while (e.parent && (e = e.parent())) {
         if (e.type == 'svg' && e.viewbox) {
           zoom *= e.viewbox().zoom
           this.x -= e.x() || 0
@@ -1463,10 +1463,10 @@
       // Add given element at a position
     , add: function(element, i) {
         if (!this.has(element)) {
-          /* define insertion index if none given */
+          // Define insertion index if none given
           i = i == null ? this.children().length : i
           
-          /* add element references */
+          // Add element references
           this.node.insertBefore(element.node, this.node.childNodes[i] || null)
         }
   
@@ -1523,9 +1523,10 @@
         // Remove children
         while(this.node.hasChildNodes())
           this.node.removeChild(this.node.lastChild)
-  
-        // Remove defs cache reference
-        delete this._defs
+        console.log(this.node.childNodes.length)
+        // Ensure new defs node
+        if (this instanceof SVG.Doc)
+          this.defs()
   
         return this
       }
@@ -2527,10 +2528,11 @@
         element.appendChild(this.node)
       }
       
-      /* set svg element attributes */
+      /* set svg element attributes and ensure defs node */
       this
         .attr({ xmlns: SVG.ns, version: '1.1', width: '100%', height: '100%' })
         .attr('xmlns:xlink', SVG.xlink, SVG.xmlns)
+        .defs()
     }
   
     // Inherit from
diff --git a/dist/svg.min.js b/dist/svg.min.js
index fcd3191..13a7271 100755
--- a/dist/svg.min.js
+++ b/dist/svg.min.js
@@ -1,2 +1,2 @@
-(function(){function t(t){return t.toLowerCase().replace(/-(.)/g,function(t,e){return e.toUpperCase()})}function e(t){return t.charAt(0).toUpperCase()+t.slice(1)}function i(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t}function n(t){var e=t.toString(16);return 1==e.length?"0"+e:e}function r(t,e,i){return(null==e||null==i)&&(null==i?i=t.height/t.width*e:null==e&&(e=t.width/t.height*i)),{width:e,height:i}}function s(t,e){return"number"==typeof t.from?t.from+(t.to-t.from)*e:t instanceof c.Color||t instanceof c.Number?t.at(e):1>e?t.from:t.to}function h(t){for(var e=0,i=t.length,n="";i>e;e++)n+=t[e][0],null!=t[e][1]&&(n+=t[e][1],null!=t[e][2]&&(n+=" ",n+=t[e][2],null!=t[e][3]&&(n+=" ",n+=t[e][3],n+=" ",n+=t[e][4],null!=t[e][5]&&(n+=" ",n+=t[e][5],n+=" ",n+=t[e][6],null!=t[e][7]&&(n+=" ",n+=t[e][7])))));return n+" "}function o(t){t.x2=t.x+t.width,t.y2=t.y+t.height,t.cx=t.x+t.width/2,t.cy=t.y+t.height/2}function a(t){if(t.matrix){var e=t.matrix.replace(/\s/g,"").split(",");6==e.length&&(t.a=parseFloat(e[0]),t.b=parseFloat(e[1]),t.c=parseFloat(e[2]),t.d=parseFloat(e[3]),t.e=parseFloat(e[4]),t.f=parseFloat(e[5]))}return t}function u(t){var e=t.toString().match(c.regex.reference);return e?e[1]:void 0}function l(t,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var i=document.createEvent("CustomEvent");return i.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),i}var c=this.SVG=function(t){return c.supported?(t=new c.Doc(t),c.parser||c.prepare(t),t):void 0};if(c.ns="http://www.w3.org/2000/svg",c.xmlns="http://www.w3.org/2000/xmlns/",c.xlink="http://www.w3.org/1999/xlink",c.did=1e3,c.eid=function(t){return"Svgjs"+t.charAt(0).toUpperCase()+t.slice(1)+c.did++},c.create=function(t){var e=document.createElementNS(this.ns,t);return e.setAttribute("id",this.eid(t)),e},c.extend=function(){var t,e,i,n;for(t=[].slice.call(arguments),e=t.pop(),n=t.length-1;n>=0;n--)if(t[n])for(i in e)t[n].prototype[i]=e[i];c.Set&&c.Set.inherit&&c.Set.inherit()},c.prepare=function(t){var e=document.getElementsByTagName("body")[0],i=(e?new c.Doc(e):t.nested()).size(2,0),n=c.create("path");i.node.appendChild(n),c.parser={body:e||t.parent(),draw:i.style("opacity:0;position:fixed;left:100%;top:100%;overflow:hidden"),poly:i.polyline().node,path:n}},c.supported=function(){return!!document.createElementNS&&!!document.createElementNS(c.ns,"svg").createSVGRect}(),!c.supported)return!1;c.get=function(t){var e=document.getElementById(u(t)||t);return e?c.adopt(e):void 0},c.select=function(t,e){return c.utils.map((e||document).querySelectorAll(t),function(t){return c.adopt(t)})},c.extend(c.Parent,{select:function(t){return c.select(t,this.node)}}),c.invent=function(t){var e="function"==typeof t.create?t.create:function(){this.constructor.call(this,c.create(t.create))};return t.inherit&&(e.prototype=new t.inherit),t.extend&&c.extend(e,t.extend),t.construct&&c.extend(t.parent||c.Container,t.construct),e},c.adopt=function(t){if(t.instance)return t.instance;var i;return i="svg"==t.nodeName?t.parentNode instanceof SVGElement?new c.Nested:new c.Doc:"lineairGradient"==t.nodeName?new c.Gradient("lineair"):"radialGradient"==t.nodeName?new c.Gradient("radial"):new(c[e(t.nodeName)]),i.type=t.nodeName,i.node=t,t.instance=i},c.regex={unit:/^(-?[\d\.]+)([a-z%]{0,2})$/,hex:/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i,rgb:/rgb\((\d+),(\d+),(\d+)\)/,reference:/#([a-z0-9\-_]+)/i,isHex:/^#[a-f0-9]{3,6}$/i,isRgb:/^rgb\(/,isCss:/[^:]+:[^;]+;?/,isBlank:/^(\s+)?$/,isNumber:/^-?[\d\.]+$/,isPercent:/^-?[\d\.]+%$/,isImage:/\.(jpg|jpeg|png|gif)(\?[^=]+.*)?/i,isEvent:/^[\w]+:[\w]+$/},c.utils={map:function(t,e){var i,n=t.length,r=[];for(i=0;n>i;i++)r.push(e(t[i]));return r}},c.defaults={matrix:"1 0 0 1 0 0",attrs:{"fill-opacity":1,"stroke-opacity":1,"stroke-width":0,"stroke-linejoin":"miter","stroke-linecap":"butt",fill:"#000000",stroke:"#000000",opacity:1,x:0,y:0,cx:0,cy:0,width:0,height:0,r:0,rx:0,ry:0,offset:0,"stop-opacity":1,"stop-color":"#000000","font-size":16,"font-family":"Helvetica, Arial, sans-serif","text-anchor":"start"},trans:function(){return{x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0,matrix:this.matrix,a:1,b:0,c:0,d:1,e:0,f:0}}},c.Color=function(t){var e;this.r=0,this.g=0,this.b=0,"string"==typeof t?c.regex.isRgb.test(t)?(e=c.regex.rgb.exec(t.replace(/\s/g,"")),this.r=parseInt(e[1]),this.g=parseInt(e[2]),this.b=parseInt(e[3])):c.regex.isHex.test(t)&&(e=c.regex.hex.exec(i(t)),this.r=parseInt(e[1],16),this.g=parseInt(e[2],16),this.b=parseInt(e[3],16)):"object"==typeof t&&(this.r=t.r,this.g=t.g,this.b=t.b)},c.extend(c.Color,{toString:function(){return this.toHex()},toHex:function(){return"#"+n(this.r)+n(this.g)+n(this.b)},toRgb:function(){return"rgb("+[this.r,this.g,this.b].join()+")"},brightness:function(){return this.r/255*.3+this.g/255*.59+this.b/255*.11},morph:function(t){return this.destination=new c.Color(t),this},at:function(t){return this.destination?(t=0>t?0:t>1?1:t,new c.Color({r:~~(this.r+(this.destination.r-this.r)*t),g:~~(this.g+(this.destination.g-this.g)*t),b:~~(this.b+(this.destination.b-this.b)*t)})):this}}),c.Color.test=function(t){return t+="",c.regex.isHex.test(t)||c.regex.isRgb.test(t)},c.Color.isRgb=function(t){return t&&"number"==typeof t.r&&"number"==typeof t.g&&"number"==typeof t.b},c.Color.isColor=function(t){return c.Color.isRgb(t)||c.Color.test(t)},c.Array=function(t,e){t=(t||[]).valueOf(),0==t.length&&e&&(t=e.valueOf()),this.value=this.parse(t)},c.extend(c.Array,{morph:function(t){if(this.destination=this.parse(t),this.value.length!=this.destination.length){for(var e=this.value[this.value.length-1],i=this.destination[this.destination.length-1];this.value.length>this.destination.length;)this.destination.push(i);for(;this.value.length<this.destination.length;)this.value.push(e)}return this},settle:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)-1==i.indexOf(this.value[t])&&i.push(this.value[t]);return this.value=i},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push(this.value[e]+(this.destination[e]-this.value[e])*t);return new c.Array(n)},toString:function(){return this.value.join(" ")},valueOf:function(){return this.value},parse:function(t){return t=t.valueOf(),Array.isArray(t)?t:this.split(t)},split:function(t){return t.replace(/\s+/g," ").replace(/^\s+|\s+$/g,"").split(" ")},reverse:function(){return this.value.reverse(),this}}),c.PointArray=function(){this.constructor.apply(this,arguments)},c.PointArray.prototype=new c.Array,c.extend(c.PointArray,{toString:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)i.push(this.value[t].join(","));return i.join(" ")},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push([this.value[e][0]+(this.destination[e][0]-this.value[e][0])*t,this.value[e][1]+(this.destination[e][1]-this.value[e][1])*t]);return new c.PointArray(n)},parse:function(t){if(t=t.valueOf(),Array.isArray(t))return t;t=this.split(t);for(var e,i=0,n=t.length,r=[];n>i;i++)e=t[i].split(","),r.push([parseFloat(e[0]),parseFloat(e[1])]);return r},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n=this.value.length-1;n>=0;n--)this.value[n]=[this.value[n][0]+t,this.value[n][1]+e];return this},size:function(t,e){var i,n=this.bbox();for(i=this.value.length-1;i>=0;i--)this.value[i][0]=(this.value[i][0]-n.x)*t/n.width+n.x,this.value[i][1]=(this.value[i][1]-n.y)*e/n.height+n.y;return this},bbox:function(){return c.parser.poly.setAttribute("points",this.toString()),c.parser.poly.getBBox()}}),c.PathArray=function(t,e){this.constructor.call(this,t,e)},c.PathArray.prototype=new c.Array,c.extend(c.PathArray,{toString:function(){return h(this.value)},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n,r=this.value.length-1;r>=0;r--)n=this.value[r][0],"M"==n||"L"==n||"T"==n?(this.value[r][1]+=t,this.value[r][2]+=e):"H"==n?this.value[r][1]+=t:"V"==n?this.value[r][1]+=e:"C"==n||"S"==n||"Q"==n?(this.value[r][1]+=t,this.value[r][2]+=e,this.value[r][3]+=t,this.value[r][4]+=e,"C"==n&&(this.value[r][5]+=t,this.value[r][6]+=e)):"A"==n&&(this.value[r][6]+=t,this.value[r][7]+=e);return this},size:function(t,e){var i,n,r=this.bbox();for(i=this.value.length-1;i>=0;i--)n=this.value[i][0],"M"==n||"L"==n||"T"==n?(this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x,this.value[i][2]=(this.value[i][2]-r.y)*e/r.height+r.y):"H"==n?this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x:"V"==n?this.value[i][1]=(this.value[i][1]-r.y)*e/r.height+r.y:"C"==n||"S"==n||"Q"==n?(this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x,this.value[i][2]=(this.value[i][2]-r.y)*e/r.height+r.y,this.value[i][3]=(this.value[i][3]-r.x)*t/r.width+r.x,this.value[i][4]=(this.value[i][4]-r.y)*e/r.height+r.y,"C"==n&&(this.value[i][5]=(this.value[i][5]-r.x)*t/r.width+r.x,this.value[i][6]=(this.value[i][6]-r.y)*e/r.height+r.y)):"A"==n&&(this.value[i][1]=this.value[i][1]*t/r.width,this.value[i][2]=this.value[i][2]*e/r.height,this.value[i][6]=(this.value[i][6]-r.x)*t/r.width+r.x,this.value[i][7]=(this.value[i][7]-r.y)*e/r.height+r.y);return this},parse:function(t){if(t instanceof c.PathArray)return t.valueOf();var e,i,n,r,s,o,a,u,l,f,d,p=0,m=0;for(c.parser.path.setAttribute("d","string"==typeof t?t:h(t)),d=c.parser.path.pathSegList,e=0,i=d.numberOfItems;i>e;++e)f=d.getItem(e),l=f.pathSegTypeAsLetter,"M"==l||"L"==l||"H"==l||"V"==l||"C"==l||"S"==l||"Q"==l||"T"==l||"A"==l?("x"in f&&(p=f.x),"y"in f&&(m=f.y)):("x1"in f&&(s=p+f.x1),"x2"in f&&(a=p+f.x2),"y1"in f&&(o=m+f.y1),"y2"in f&&(u=m+f.y2),"x"in f&&(p+=f.x),"y"in f&&(m+=f.y),"m"==l?d.replaceItem(c.parser.path.createSVGPathSegMovetoAbs(p,m),e):"l"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoAbs(p,m),e):"h"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoHorizontalAbs(p),e):"v"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoVerticalAbs(m),e):"c"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoCubicAbs(p,m,s,o,a,u),e):"s"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoCubicSmoothAbs(p,m,a,u),e):"q"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoQuadraticAbs(p,m,s,o),e):"t"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoQuadraticSmoothAbs(p,m),e):"a"==l?d.replaceItem(c.parser.path.createSVGPathSegArcAbs(p,m,f.r1,f.r2,f.angle,f.largeArcFlag,f.sweepFlag),e):("z"==l||"Z"==l)&&(p=n,m=r)),("M"==l||"m"==l)&&(n=p,r=m);for(t=[],d=c.parser.path.pathSegList,e=0,i=d.numberOfItems;i>e;++e)f=d.getItem(e),l=f.pathSegTypeAsLetter,p=[l],"M"==l||"L"==l||"T"==l?p.push(f.x,f.y):"H"==l?p.push(f.x):"V"==l?p.push(f.y):"C"==l?p.push(f.x1,f.y1,f.x2,f.y2,f.x,f.y):"S"==l?p.push(f.x2,f.y2,f.x,f.y):"Q"==l?p.push(f.x1,f.y1,f.x,f.y):"A"==l&&p.push(f.r1,f.r2,f.angle,0|f.largeArcFlag,0|f.sweepFlag,f.x,f.y),t.push(p);return t},bbox:function(){return c.parser.path.setAttribute("d",this.toString()),c.parser.path.getBBox()}}),c.Number=function(t){if(this.value=0,this.unit="","number"==typeof t)this.value=isNaN(t)?0:isFinite(t)?t:0>t?-3.4e38:3.4e38;else if("string"==typeof t){var e=t.match(c.regex.unit);e&&(this.value=parseFloat(e[1]),"%"==e[2]?this.value/=100:"s"==e[2]&&(this.value*=1e3),this.unit=e[2])}else t instanceof c.Number&&(this.value=t.value,this.unit=t.unit)},c.extend(c.Number,{toString:function(){return("%"==this.unit?~~(1e8*this.value)/1e6:"s"==this.unit?this.value/1e3:this.value)+this.unit},valueOf:function(){return this.value},plus:function(t){return this.value=this+new c.Number(t),this},minus:function(t){return this.plus(-new c.Number(t))},times:function(t){return this.value=this*new c.Number(t),this},divide:function(t){return this.value=this/new c.Number(t),this},to:function(t){return"string"==typeof t&&(this.unit=t),this},morph:function(t){return this.destination=new c.Number(t),this},at:function(t){return this.destination?new c.Number(this.destination).minus(this).times(t).plus(this):this}}),c.ViewBox=function(t){var e,i,n,r,s=1,h=1,o=t.bbox(),a=(t.attr("viewBox")||"").match(/-?[\d\.]+/g),u=t,l=t;for(n=new c.Number(t.width()),r=new c.Number(t.height());"%"==n.unit;)s*=n.value,n=new c.Number(u instanceof c.Doc?u.parent().offsetWidth:u.parent().width()),u=u.parent();for(;"%"==r.unit;)h*=r.value,r=new c.Number(l instanceof c.Doc?l.parent().offsetHeight:l.parent().height()),l=l.parent();this.x=o.x,this.y=o.y,this.width=n*s,this.height=r*h,this.zoom=1,a&&(e=parseFloat(a[0]),i=parseFloat(a[1]),n=parseFloat(a[2]),r=parseFloat(a[3]),this.zoom=this.width/this.height>n/r?this.height/r:this.width/n,this.x=e,this.y=i,this.width=n,this.height=r)},c.extend(c.ViewBox,{toString:function(){return this.x+" "+this.y+" "+this.width+" "+this.height}}),c.BBox=function(t){var e;if(this.x=0,this.y=0,this.width=0,this.height=0,t){try{e=t.node.getBBox()}catch(i){e={x:t.node.clientLeft,y:t.node.clientTop,width:t.node.clientWidth,height:t.node.clientHeight}}this.x=e.x+t.trans.x,this.y=e.y+t.trans.y,this.width=e.width*t.trans.scaleX,this.height=e.height*t.trans.scaleY}o(this)},c.extend(c.BBox,{merge:function(t){var e=new c.BBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,o(e),e}}),c.RBox=function(t){var e,i,n={};if(this.x=0,this.y=0,this.width=0,this.height=0,t){for(e=t.doc().parent(),i=t.doc().viewbox().zoom,n=t.node.getBoundingClientRect(),this.x=n.left,this.y=n.top,this.x-=e.offsetLeft,this.y-=e.offsetTop;e=e.offsetParent;)this.x-=e.offsetLeft,this.y-=e.offsetTop;for(e=t;e=e.parent();)"svg"==e.type&&e.viewbox&&(i*=e.viewbox().zoom,this.x-=e.x()||0,this.y-=e.y()||0)}this.x/=i,this.y/=i,this.width=n.width/=i,this.height=n.height/=i,this.x+=window.scrollX,this.y+=window.scrollY,o(this)},c.extend(c.RBox,{merge:function(t){var e=new c.RBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,o(e),e}}),c.Element=c.invent({create:function(t){this._stroke=c.defaults.attrs.stroke,this.trans=c.defaults.trans(),(this.node=t)&&(this.type=t.nodeName,this.node.instance=this)},extend:{x:function(t){return null!=t&&(t=new c.Number(t),t.value/=this.trans.scaleX),this.attr("x",t)},y:function(t){return null!=t&&(t=new c.Number(t),t.value/=this.trans.scaleY),this.attr("y",t)},cx:function(t){return null==t?this.x()+this.width()/2:this.x(t-this.width()/2)},cy:function(t){return null==t?this.y()+this.height()/2:this.y(t-this.height()/2)},move:function(t,e){return this.x(t).y(e)},center:function(t,e){return this.cx(t).cy(e)},width:function(t){return this.attr("width",t)},height:function(t){return this.attr("height",t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.width(new c.Number(i.width)).height(new c.Number(i.height))},clone:function(){var t,e,i=this.type;return t="rect"==i||"ellipse"==i?this.parent()[i](0,0):"line"==i?this.parent()[i](0,0,0,0):"image"==i?this.parent()[i](this.src):"text"==i?this.parent()[i](this.content):"path"==i?this.parent()[i](this.attr("d")):"polyline"==i||"polygon"==i?this.parent()[i](this.attr("points")):"g"==i?this.parent().group():this.parent()[i](),e=this.attr(),delete e.id,t.attr(e),t.trans=this.trans,t.transform({})},remove:function(){return this.parent()&&this.parent().removeElement(this),this},replace:function(t){return this.after(t).remove(),t},addTo:function(t){return t.put(this)},putIn:function(t){return t.add(this)},doc:function(t){return this.parent(t||c.Doc)},attr:function(t,e,i){if(null==t){for(t={},e=this.node.attributes,i=e.length-1;i>=0;i--)t[e[i].nodeName]=c.regex.isNumber.test(e[i].nodeValue)?parseFloat(e[i].nodeValue):e[i].nodeValue;return t}if("object"==typeof t)for(e in t)this.attr(e,t[e]);else if(null===e)this.node.removeAttribute(t);else{if(null==e)return e=this.node.getAttribute(t),null==e?c.defaults.attrs[t]:c.regex.isNumber.test(e)?parseFloat(e):e;if("style"==t)return this.style(e);"stroke-width"==t?this.attr("stroke",parseFloat(e)>0?this._stroke:null):"stroke"==t&&(this._stroke=e),("fill"==t||"stroke"==t)&&(c.regex.isImage.test(e)&&(e=this.doc().defs().image(e,0,0)),e instanceof c.Image&&(e=this.doc().defs().pattern(0,0,function(){this.add(e)}))),"number"==typeof e?e=new c.Number(e):c.Color.isColor(e)?e=new c.Color(e):Array.isArray(e)&&(e=new c.Array(e)),"leading"==t?this.leading&&this.leading(e):"string"==typeof i?this.node.setAttributeNS(i,t,e.toString()):this.node.setAttribute(t,e.toString()),!this.rebuild||"font-size"!=t&&"x"!=t||this.rebuild(t,e)}return this},transform:function(t,e){if(0==arguments.length)return this.trans;if("string"==typeof t){if(arguments.length<2)return this.trans[t];var i={};return i[t]=e,this.transform(i)}var i=[];t=a(t);for(e in t)null!=t[e]&&(this.trans[e]=t[e]);return this.trans.matrix=this.trans.a+" "+this.trans.b+" "+this.trans.c+" "+this.trans.d+" "+this.trans.e+" "+this.trans.f,t=this.trans,t.matrix!=c.defaults.matrix&&i.push("matrix("+t.matrix+")"),0!=t.rotation&&i.push("rotate("+t.rotation+" "+(null==t.cx?this.bbox().cx:t.cx)+" "+(null==t.cy?this.bbox().cy:t.cy)+")"),(1!=t.scaleX||1!=t.scaleY)&&i.push("scale("+t.scaleX+" "+t.scaleY+")"),0!=t.skewX&&i.push("skewX("+t.skewX+")"),0!=t.skewY&&i.push("skewY("+t.skewY+")"),(0!=t.x||0!=t.y)&&i.push("translate("+new c.Number(t.x/t.scaleX)+" "+new c.Number(t.y/t.scaleY)+")"),0==i.length?this.node.removeAttribute("transform"):this.node.setAttribute("transform",i.join(" ")),this},style:function(e,i){if(0==arguments.length)return this.node.style.cssText||"";if(arguments.length<2)if("object"==typeof e)for(i in e)this.style(i,e[i]);else{if(!c.regex.isCss.test(e))return this.node.style[t(e)];e=e.split(";");for(var n=0;n<e.length;n++)i=e[n].split(":"),this.style(i[0].replace(/\s+/g,""),i[1])}else this.node.style[t(e)]=null===i||c.regex.isBlank.test(i)?"":i;return this},id:function(t){return this.attr("id",t)},bbox:function(){return new c.BBox(this)},rbox:function(){return new c.RBox(this)},inside:function(t,e){var i=this.bbox();return t>i.x&&e>i.y&&t<i.x+i.width&&e<i.y+i.height},show:function(){return this.style("display","")},hide:function(){return this.style("display","none")},visible:function(){return"none"!=this.style("display")},toString:function(){return this.attr("id")},classes:function(){var t=this.attr("class");return null==t?[]:t.trim().split(/\s+/)},hasClass:function(t){return-1!=this.classes().indexOf(t)},addClass:function(t){if(!this.hasClass(t)){var e=this.classes();e.push(t),this.attr("class",e.join(" "))}return this},removeClass:function(t){if(this.hasClass(t)){var e=this.classes().filter(function(e){return e!=t});this.attr("class",e.join(" "))}return this},toggleClass:function(t){return this.hasClass(t)?this.removeClass(t):this.addClass(t)},reference:function(t){return c.get(this.attr(t))},parent:function(t){var e=c.adopt(this.node.parentNode);if(t)for(;!(e instanceof t);)e=c.adopt(e.node.parentNode);return e}}}),c.Parent=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Element,extend:{children:function(){return c.utils.map(this.node.childNodes,function(t){return c.adopt(t)})},add:function(t,e){return this.has(t)||(e=null==e?this.children().length:e,this.node.insertBefore(t.node,this.node.childNodes[e]||null)),this},put:function(t,e){return this.add(t,e),t},has:function(t){return this.index(t)>=0},index:function(t){return this.children().indexOf(t)},get:function(t){return this.children()[t]},first:function(){return this.children()[0]},last:function(){return this.children()[this.children().length-1]},each:function(t,e){var i,n,r=this.children();for(i=0,n=r.length;n>i;i++)r[i]instanceof c.Element&&t.apply(r[i],[i,r]),e&&r[i]instanceof c.Container&&r[i].each(t,e);return this},removeElement:function(t){return this.node.removeChild(t.node),this},clear:function(){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return delete this._defs,this},defs:function(){return this.doc().defs()}}}),c.Container=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Parent,extend:{viewbox:function(t){return 0==arguments.length?new c.ViewBox(this):(t=1==arguments.length?[t.x,t.y,t.width,t.height]:[].slice.call(arguments),this.attr("viewBox",t))}}}),c.FX=c.invent({create:function(t){this.target=t},extend:{animate:function(t,e,i){var n,r,h,o,a=this.target,u=this;return"object"==typeof t&&(i=t.delay,e=t.ease,t=t.duration),t="="==t?t:null==t?1e3:new c.Number(t).valueOf(),e=e||"<>",u.to=function(t){var i;if(t=0>t?0:t>1?1:t,null==n){n=[];for(o in u.attrs)n.push(o);if(a.morphArray&&(u._plot||n.indexOf("points")>-1)){var l,c=new a.morphArray(u._plot||u.attrs.points||a.array);u._size&&c.size(u._size.width.to,u._size.height.to),l=c.bbox(),u._x?c.move(u._x.to,l.y):u._cx&&c.move(u._cx.to-l.width/2,l.y),l=c.bbox(),u._y?c.move(l.x,u._y.to):u._cy&&c.move(l.x,u._cy.to-l.height/2),delete u._x,delete u._y,delete u._cx,delete u._cy,delete u._size,u._plot=a.array.morph(c)}}if(null==r){r=[];for(o in u.trans)r.push(o)}if(null==h){h=[];for(o in u.styles)h.push(o)}for(t="<>"==e?-Math.cos(t*Math.PI)/2+.5:">"==e?Math.sin(t*Math.PI/2):"<"==e?-Math.cos(t*Math.PI/2)+1:"-"==e?t:"function"==typeof e?e(t):t,u._plot?a.plot(u._plot.at(t)):(u._x?a.x(u._x.at(t)):u._cx&&a.cx(u._cx.at(t)),u._y?a.y(u._y.at(t)):u._cy&&a.cy(u._cy.at(t)),u._size&&a.size(u._size.width.at(t),u._size.height.at(t))),u._viewbox&&a.viewbox(u._viewbox.x.at(t),u._viewbox.y.at(t),u._viewbox.width.at(t),u._viewbox.height.at(t)),u._leading&&a.leading(u._leading.at(t)),i=n.length-1;i>=0;i--)a.attr(n[i],s(u.attrs[n[i]],t));for(i=r.length-1;i>=0;i--)a.transform(r[i],s(u.trans[r[i]],t));for(i=h.length-1;i>=0;i--)a.style(h[i],s(u.styles[h[i]],t));u._during&&u._during.call(a,t,function(e,i){return s({from:e,to:i},t)})},"number"==typeof t&&(this.timeout=setTimeout(function(){var n=(new Date).getTime();u.situation={interval:1e3/60,start:n,play:!0,finish:n+t,duration:t},u.render=function(){if(u.situation.play===!0){var n=(new Date).getTime(),r=n>u.situation.finish?1:(n-u.situation.start)/t;u.to(r),n>u.situation.finish?(u._plot&&a.plot(new c.PointArray(u._plot.destination).settle()),u._loop===!0||"number"==typeof u._loop&&u._loop>1?("number"==typeof u._loop&&--u._loop,u.animate(t,e,i)):u._after?u._after.apply(a,[u]):u.stop()):requestAnimFrame(u.render)}else requestAnimFrame(u.render)},u.render()},new c.Number(i).valueOf())),this},bbox:function(){return this.target.bbox()},attr:function(t,e){if("object"==typeof t)for(var i in t)this.attr(i,t[i]);else{var n=this.target.attr(t);this.attrs[t]=c.Color.isColor(n)?new c.Color(n).morph(e):c.regex.unit.test(n)?new c.Number(n).morph(e):{from:n,to:e}}return this},transform:function(t,e){if(1==arguments.length){t=a(t),delete t.matrix;for(e in t)this.trans[e]={from:this.target.trans[e],to:t[e]}}else{var i={};i[t]=e,this.transform(i)}return this},style:function(t,e){if("object"==typeof t)for(var i in t)this.style(i,t[i]);else this.styles[t]={from:this.target.style(t),to:e};return this},x:function(t){return this._x=new c.Number(this.target.x()).morph(t),this},y:function(t){return this._y=new c.Number(this.target.y()).morph(t),this},cx:function(t){return this._cx=new c.Number(this.target.cx()).morph(t),this},cy:function(t){return this._cy=new c.Number(this.target.cy()).morph(t),this},move:function(t,e){return this.x(t).y(e)},center:function(t,e){return this.cx(t).cy(e)},size:function(t,e){if(this.target instanceof c.Text)this.attr("font-size",t);else{var i=this.target.bbox();this._size={width:new c.Number(i.width).morph(t),height:new c.Number(i.height).morph(e)}}return this},plot:function(t){return this._plot=t,this},leading:function(t){return this.target._leading&&(this._leading=new c.Number(this.target._leading).morph(t)),this},viewbox:function(t,e,i,n){if(this.target instanceof c.Container){var r=this.target.viewbox();this._viewbox={x:new c.Number(r.x).morph(t),y:new c.Number(r.y).morph(e),width:new c.Number(r.width).morph(i),height:new c.Number(r.height).morph(n)}}return this},update:function(t){return this.target instanceof c.Stop&&(null!=t.opacity&&this.attr("stop-opacity",t.opacity),null!=t.color&&this.attr("stop-color",t.color),null!=t.offset&&this.attr("offset",new c.Number(t.offset))),this},during:function(t){return this._during=t,this},after:function(t){return this._after=t,this},loop:function(t){return this._loop=t||!0,this},stop:function(t){return t===!0?(this.animate(0),this._after&&this._after.apply(this.target,[this])):(clearTimeout(this.timeout),this.attrs={},this.trans={},this.styles={},this.situation={},delete this._x,delete this._y,delete this._cx,delete this._cy,delete this._size,delete this._plot,delete this._loop,delete this._after,delete this._during,delete this._leading,delete this._viewbox),this},pause:function(){return this.situation.play===!0&&(this.situation.play=!1,this.situation.pause=(new Date).getTime()),this},play:function(){if(this.situation.play===!1){var t=(new Date).getTime()-this.situation.pause;this.situation.finish+=t,this.situation.start+=t,this.situation.play=!0}return this}},parent:c.Element,construct:{animate:function(t,e,i){return(this.fx||(this.fx=new c.FX(this))).stop().animate(t,e,i)},stop:function(t){return this.fx&&this.fx.stop(t),this},pause:function(){return this.fx&&this.fx.pause(),this},play:function(){return this.fx&&this.fx.play(),this}}}),c.extend(c.Element,c.FX,{dx:function(t){return this.x((this.target||this).x()+t)},dy:function(t){return this.y((this.target||this).y()+t)},dmove:function(t,e){return this.dx(t).dy(e)}}),["click","dblclick","mousedown","mouseup","mouseover","mouseout","mousemove","mouseenter","mouseleave","touchstart","touchmove","touchleave","touchend","touchcancel"].forEach(function(t){c.Element.prototype[t]=function(e){var i=this;return this.node["on"+t]="function"==typeof e?function(){return e.apply(i,arguments)}:null,this}}),c.events={},c.listeners={},c.registerEvent=function(t){c.events[t]||(c.events[t]=new l(t))},c.on=function(t,e,i){var n=i.bind(t.instance||t);c.listeners[i]=n,t.addEventListener(e,n,!1)},c.off=function(t,e,i){t.removeEventListener(e,c.listeners[i],!1),delete c.listeners[i]},c.extend(c.Element,{on:function(t,e){return c.on(this.node,t,e),this},off:function(t,e){return c.off(this.node,t,e),this},fire:function(t,e){return c.events[t].detail=e,this.node.dispatchEvent(c.events[t]),delete c.events[t].detail,this}}),c.Defs=c.invent({create:"defs",inherit:c.Container}),c.G=c.invent({create:"g",inherit:c.Container,extend:{x:function(t){return null==t?this.trans.x:this.transform("x",t)},y:function(t){return null==t?this.trans.y:this.transform("y",t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)}},construct:{group:function(){return this.put(new c.G)}}}),c.extend(c.Element,{siblings:function(){return this.parent().children()},position:function(){return this.parent().index(this)},next:function(){return this.siblings()[this.position()+1]},previous:function(){return this.siblings()[this.position()-1]},forward:function(){var t=this.position();return this.parent().removeElement(this).put(this,t+1)},backward:function(){var t=this.position();return t>0&&this.parent().removeElement(this).add(this,t-1),this},front:function(){return this.parent().removeElement(this).put(this)},back:function(){return this.position()>0&&this.parent().removeElement(this).add(this,0),this},before:function(t){t.remove();var e=this.position();return this.parent().add(t,e),this},after:function(t){t.remove();var e=this.position();return this.parent().add(t,e+1),this}}),c.Mask=c.invent({create:function(){this.constructor.call(this,c.create("mask")),this.targets=[]},inherit:c.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unmask();return delete this.targets,this.parent().removeElement(this),this}},construct:{mask:function(){return this.defs().put(new c.Mask)}}}),c.extend(c.Element,{maskWith:function(t){return this.masker=t instanceof c.Mask?t:this.parent().mask().add(t),this.masker.targets.push(this),this.attr("mask",'url("#'+this.masker.attr("id")+'")')},unmask:function(){return delete this.masker,this.attr("mask",null)}}),c.ClipPath=c.invent({create:function(){this.constructor.call(this,c.create("clipPath")),this.targets=[]},inherit:c.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unclip();return delete this.targets,this.parent().removeElement(this),this}},construct:{clip:function(){return this.defs().put(new c.ClipPath)}}}),c.extend(c.Element,{clipWith:function(t){return this.clipper=t instanceof c.ClipPath?t:this.parent().clip().add(t),this.clipper.targets.push(this),this.attr("clip-path",'url("#'+this.clipper.attr("id")+'")')},unclip:function(){return delete this.clipper,this.attr("clip-path",null)}}),c.Gradient=c.invent({create:function(t){this.constructor.call(this,c.create(t+"Gradient")),this.type=t},inherit:c.Container,extend:{from:function(t,e){return"radial"==this.type?this.attr({fx:new c.Number(t),fy:new c.Number(e)}):this.attr({x1:new c.Number(t),y1:new c.Number(e)})},to:function(t,e){return"radial"==this.type?this.attr({cx:new c.Number(t),cy:new c.Number(e)}):this.attr({x2:new c.Number(t),y2:new c.Number(e)})},radius:function(t){return"radial"==this.type?this.attr({r:new c.Number(t)}):this},at:function(t,e,i){return this.put(new c.Stop).update(t,e,i)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},fill:function(){return"url(#"+this.id()+")"},toString:function(){return this.fill()}},construct:{gradient:function(t,e){return this.defs().gradient(t,e)}}}),c.extend(c.Defs,{gradient:function(t,e){return this.put(new c.Gradient(t)).update(e)}}),c.Stop=c.invent({create:"stop",inherit:c.Element,extend:{update:function(t){return("number"==typeof t||t instanceof c.Number)&&(t={offset:arguments[0],color:arguments[1],opacity:arguments[2]}),null!=t.opacity&&this.attr("stop-opacity",t.opacity),null!=t.color&&this.attr("stop-color",t.color),null!=t.offset&&this.attr("offset",new c.Number(t.offset)),this}}}),c.Pattern=c.invent({create:"pattern",inherit:c.Container,extend:{fill:function(){return"url(#"+this.id()+")"},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return this.fill()}},construct:{pattern:function(t,e,i){return this.defs().pattern(t,e,i)}}}),c.extend(c.Defs,{pattern:function(t,e,i){return this.put(new c.Pattern).update(i).attr({x:0,y:0,width:t,height:e,patternUnits:"userSpaceOnUse"})}}),c.Doc=c.invent({create:function(t){t="string"==typeof t?document.getElementById(t):t,"svg"==t.nodeName?this.constructor.call(this,t):(this.constructor.call(this,c.create("svg")),t.appendChild(this.node)),this.attr({xmlns:c.ns,version:"1.1",width:"100%",height:"100%"}).attr("xmlns:xlink",c.xlink,c.xmlns)},inherit:c.Container,extend:{defs:function(){if(!this._defs){var t;this._defs=(t=this.node.getElementsByTagName("defs")[0])?c.adopt(t):new c.Defs,this.node.appendChild(this._defs.node)}return this._defs},parent:function(){return"#document"==this.node.parentNode.nodeName?null:this.node.parentNode}}}),c.extend(c.Doc,{spof:function(){if(this.doSpof){var t=this.node.getScreenCTM();t&&this.style("left",-t.e%1+"px").style("top",-t.f%1+"px")}return this},fixSubPixelOffset:function(){var t=this;return this.doSpof=!0,c.on(window,"resize",function(){t.spof()}),this.spof()}}),c.Shape=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Element}),c.Symbol=c.invent({create:"symbol",inherit:c.Container,construct:{symbol:function(){return this.defs().put(new c.Symbol)}}}),c.Use=c.invent({create:"use",inherit:c.Shape,extend:{element:function(t){return this.target=t,this.attr("href","#"+t,c.xlink)}},construct:{use:function(t){return this.put(new c.Use).element(t)}}}),c.Rect=c.invent({create:"rect",inherit:c.Shape,construct:{rect:function(t,e){return this.put((new c.Rect).size(t,e))}}}),c.Ellipse=c.invent({create:"ellipse",inherit:c.Shape,extend:{x:function(t){return null==t?this.cx()-this.attr("rx"):this.cx(t+this.attr("rx"))},y:function(t){return null==t?this.cy()-this.attr("ry"):this.cy(t+this.attr("ry"))},cx:function(t){return null==t?this.attr("cx"):this.attr("cx",new c.Number(t).divide(this.trans.scaleX))},cy:function(t){return null==t?this.attr("cy"):this.attr("cy",new c.Number(t).divide(this.trans.scaleY))},width:function(t){return null==t?2*this.attr("rx"):this.attr("rx",new c.Number(t).divide(2))},height:function(t){return null==t?2*this.attr("ry"):this.attr("ry",new c.Number(t).divide(2))},size:function(t,e){var i=r(this.bbox(),t,e);return this.attr({rx:new c.Number(i.width).divide(2),ry:new c.Number(i.height).divide(2)})
-}},construct:{circle:function(t){return this.ellipse(t,t)},ellipse:function(t,e){return this.put(new c.Ellipse).size(t,e).move(0,0)}}}),c.Line=c.invent({create:"line",inherit:c.Shape,extend:{x:function(t){var e=this.bbox();return null==t?e.x:this.attr({x1:this.attr("x1")-e.x+t,x2:this.attr("x2")-e.x+t})},y:function(t){var e=this.bbox();return null==t?e.y:this.attr({y1:this.attr("y1")-e.y+t,y2:this.attr("y2")-e.y+t})},cx:function(t){var e=this.bbox().width/2;return null==t?this.x()+e:this.x(t-e)},cy:function(t){var e=this.bbox().height/2;return null==t?this.y()+e:this.y(t-e)},width:function(t){var e=this.bbox();return null==t?e.width:this.attr(this.attr("x1")<this.attr("x2")?"x2":"x1",e.x+t)},height:function(t){var e=this.bbox();return null==t?e.height:this.attr(this.attr("y1")<this.attr("y2")?"y2":"y1",e.y+t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.width(i.width).height(i.height)},plot:function(t,e,i,n){return this.attr({x1:t,y1:e,x2:i,y2:n})}},construct:{line:function(t,e,i,n){return this.put((new c.Line).plot(t,e,i,n))}}}),c.Polyline=c.invent({create:"polyline",inherit:c.Shape,construct:{polyline:function(t){return this.put(new c.Polyline).plot(t)}}}),c.Polygon=c.invent({create:"polygon",inherit:c.Shape,construct:{polygon:function(t){return this.put(new c.Polygon).plot(t)}}}),c.extend(c.Polyline,c.Polygon,{morphArray:c.PointArray,plot:function(t){return this.attr("points",this.array=new c.PointArray(t,[[0,0]]))},move:function(t,e){return this.attr("points",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.attr("points",this.array.size(i.width,i.height))}}),c.Path=c.invent({create:"path",inherit:c.Shape,extend:{plot:function(t){return this.attr("d",this.array=new c.PathArray(t,[["M",0,0]]))},move:function(t,e){return this.attr("d",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.attr("d",this.array.size(i.width,i.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)}},construct:{path:function(t){return this.put(new c.Path).plot(t)}}}),c.Image=c.invent({create:"image",inherit:c.Shape,extend:{load:function(t){if(!t)return this;var e=this,i=document.createElement("img");return i.onload=function(){var n=e.doc(c.Pattern);0==e.width()&&0==e.height()&&e.size(i.width,i.height),n&&0==n.width()&&0==n.height()&&n.size(e.width(),e.height()),"function"==typeof e._loaded&&e._loaded.call(e,{width:i.width,height:i.height,ratio:i.width/i.height,url:t})},this.attr("href",i.src=this.src=t,c.xlink)},loaded:function(t){return this._loaded=t,this}},construct:{image:function(t,e,i){return this.put(new c.Image).load(t).size(e||0,i||e||0)}}}),c.Text=c.invent({create:function(){this.constructor.call(this,c.create("text")),this._leading=new c.Number(1.3),this._rebuild=!0,this._build=!1,this.attr("font-family",c.defaults.attrs["font-family"])},inherit:c.Shape,extend:{x:function(t){return null==t?this.attr("x"):(this.textPath||this.lines.each(function(){this.newLined&&this.x(t)}),this.attr("x",t))},y:function(t){var e=this.attr("y"),i="number"==typeof e?e-this.bbox().y:0;return null==t?"number"==typeof e?e-i:e:this.attr("y","number"==typeof t?t+i:t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)},text:function(t){if("undefined"==typeof t)return this.content;if(this.clear().build(!0),"function"==typeof t)t.call(this,this);else{t=(this.content=t).split("\n");for(var e=0,i=t.length;i>e;e++)this.tspan(t[e]).newLine()}return this.build(!1).rebuild()},size:function(t){return this.attr("font-size",t).rebuild()},leading:function(t){return null==t?this._leading:(this._leading=new c.Number(t),this.rebuild())},rebuild:function(t){if("boolean"==typeof t&&(this._rebuild=t),this._rebuild){var e=this;this.lines.each(function(){this.newLined&&(this.textPath||this.attr("x",e.attr("x")),this.attr("dy",e._leading*new c.Number(e.attr("font-size"))))}),this.fire("rebuild")}return this},build:function(t){return this._build=!!t,this}},construct:{text:function(t){return this.put(new c.Text).text(t)},plain:function(t){return this.put(new c.Text).plain(t)}}}),c.TSpan=c.invent({create:"tspan",inherit:c.Shape,extend:{text:function(t){return"function"==typeof t?t.call(this,this):this.plain(t),this},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){var t=this.doc(c.Text);return this.newLined=!0,this.dy(t._leading*t.attr("font-size")).attr("x",t.x())}}}),c.extend(c.Text,c.TSpan,{plain:function(t){return this._build===!1&&this.clear(),this.node.appendChild(document.createTextNode(this.content=t)),this},tspan:function(t){var e=(this.textPath||this).node,i=new c.TSpan;return this._build===!1&&this.clear(),e.appendChild(i.node),this instanceof c.Text&&this.lines.add(i),i.text(t)},clear:function(){for(var t=(this.textPath||this).node;t.hasChildNodes();)t.removeChild(t.lastChild);return this instanceof c.Text&&(delete this.lines,this.lines=new c.Set,this.content=""),this},length:function(){return this.node.getComputedTextLength()}}),c.registerEvent("rebuild"),c.TextPath=c.invent({create:"textPath",inherit:c.Element,parent:c.Text,construct:{path:function(t){for(this.textPath=new c.TextPath;this.node.hasChildNodes();)this.textPath.node.appendChild(this.node.firstChild);return this.node.appendChild(this.textPath.node),this.track=this.doc().defs().path(t),this.textPath.parent=this,this.textPath.attr("href","#"+this.track,c.xlink),this},plot:function(t){return this.track&&this.track.plot(t),this}}}),c.Nested=c.invent({create:function(){this.constructor.call(this,c.create("svg")),this.style("overflow","visible")},inherit:c.Container,construct:{nested:function(){return this.put(new c.Nested)}}}),c.A=c.invent({create:"a",inherit:c.Container,extend:{to:function(t){return this.attr("href",t,c.xlink)},show:function(t){return this.attr("show",t,c.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new c.A).to(t)}}}),c.extend(c.Element,{linkTo:function(t){var e=new c.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent().put(e).put(this)}}),c.Marker=c.invent({create:"marker",inherit:c.Container,extend:{width:function(t){return this.attr("markerWidth",t)},height:function(t){return this.attr("markerHeight",t)},ref:function(t,e){return this.attr("refX",t).attr("refY",e)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return"url(#"+this.id()+")"}},construct:{marker:function(t,e,i){return this.defs().marker(t,e,i)}}}),c.extend(c.Defs,{marker:function(t,e,i){return this.put(new c.Marker).size(t,e).ref(t/2,e/2).viewbox(0,0,t,e).attr("orient","auto").update(i)}}),c.extend(c.Line,c.Polyline,c.Polygon,c.Path,{marker:function(t,e,i,n){var r=["marker"];return"all"!=t&&r.push(t),r=r.join("-"),t=arguments[1]instanceof c.Marker?arguments[1]:this.doc().marker(e,i,n),this.attr(r,t)}});var f={stroke:["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],fill:["color","opacity","rule"],prefix:function(t,e){return"color"==e?t:t+"-"+e}};["fill","stroke"].forEach(function(t){var e,i={};i[t]=function(i){if("string"==typeof i||c.Color.isRgb(i)||i&&"function"==typeof i.fill)this.attr(t,i);else for(e=f[t].length-1;e>=0;e--)null!=i[f[t][e]]&&this.attr(f.prefix(t,f[t][e]),i[f[t][e]]);return this},c.extend(c.Element,c.FX,i)}),c.extend(c.Element,c.FX,{rotate:function(t,e,i){return this.transform({rotation:t||0,cx:e,cy:i})},skew:function(t,e){return this.transform({skewX:t||0,skewY:e||0})},scale:function(t,e){return this.transform({scaleX:t,scaleY:null==e?t:e})},translate:function(t,e){return this.transform({x:t,y:e})},matrix:function(t){return this.transform({matrix:t})},opacity:function(t){return this.attr("opacity",t)}}),c.extend(c.Rect,c.Ellipse,c.FX,{radius:function(t,e){return this.attr({rx:t,ry:e||t})}}),c.extend(c.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),c.extend(c.Parent,c.Text,c.FX,{font:function(t){for(var e in t)"leading"==e?this.leading(t[e]):"anchor"==e?this.attr("text-anchor",t[e]):"size"==e||"family"==e||"weight"==e||"stretch"==e||"variant"==e||"style"==e?this.attr("font-"+e,t[e]):this.attr(e,t[e]);return this}}),c.Set=c.invent({create:function(){this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;e>t;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;i>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},first:function(){return this.get(0)},last:function(){return this.get(this.members.length-1)},valueOf:function(){return this.members},bbox:function(){var t=new c.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(){return new c.Set}}}),c.SetFX=c.invent({create:function(t){this.set=t}}),c.Set.inherit=function(){var t,e=[];for(var t in c.Shape.prototype)"function"==typeof c.Shape.prototype[t]&&"function"!=typeof c.Set.prototype[t]&&e.push(t);e.forEach(function(t){c.Set.prototype[t]=function(){for(var e=0,i=this.members.length;i>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new c.SetFX(this)):this}}),e=[];for(var t in c.FX.prototype)"function"==typeof c.FX.prototype[t]&&"function"!=typeof c.SetFX.prototype[t]&&e.push(t);e.forEach(function(t){c.SetFX.prototype[t]=function(){for(var e=0,i=this.set.members.length;i>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},c.extend(c.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(arguments.length<2)try{return JSON.parse(this.attr("data-"+t))}catch(n){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:i===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),c.extend(c.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),"function"==typeof define&&define.amd?define(function(){return c}):"undefined"!=typeof exports&&(exports.SVG=c),window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(t){window.setTimeout(t,1e3/60)}}(),"function"!=typeof l&&(l.prototype=window.Event.prototype,window.CustomEvent=l)}).call(this);
\ No newline at end of file
+(function(){function t(t){return t.toLowerCase().replace(/-(.)/g,function(t,e){return e.toUpperCase()})}function e(t){return t.charAt(0).toUpperCase()+t.slice(1)}function i(t){return 4==t.length?["#",t.substring(1,2),t.substring(1,2),t.substring(2,3),t.substring(2,3),t.substring(3,4),t.substring(3,4)].join(""):t}function n(t){var e=t.toString(16);return 1==e.length?"0"+e:e}function r(t,e,i){return(null==e||null==i)&&(null==i?i=t.height/t.width*e:null==e&&(e=t.width/t.height*i)),{width:e,height:i}}function s(t,e){return"number"==typeof t.from?t.from+(t.to-t.from)*e:t instanceof c.Color||t instanceof c.Number?t.at(e):1>e?t.from:t.to}function h(t){for(var e=0,i=t.length,n="";i>e;e++)n+=t[e][0],null!=t[e][1]&&(n+=t[e][1],null!=t[e][2]&&(n+=" ",n+=t[e][2],null!=t[e][3]&&(n+=" ",n+=t[e][3],n+=" ",n+=t[e][4],null!=t[e][5]&&(n+=" ",n+=t[e][5],n+=" ",n+=t[e][6],null!=t[e][7]&&(n+=" ",n+=t[e][7])))));return n+" "}function o(t){t.x2=t.x+t.width,t.y2=t.y+t.height,t.cx=t.x+t.width/2,t.cy=t.y+t.height/2}function a(t){if(t.matrix){var e=t.matrix.replace(/\s/g,"").split(",");6==e.length&&(t.a=parseFloat(e[0]),t.b=parseFloat(e[1]),t.c=parseFloat(e[2]),t.d=parseFloat(e[3]),t.e=parseFloat(e[4]),t.f=parseFloat(e[5]))}return t}function u(t){var e=t.toString().match(c.regex.reference);return e?e[1]:void 0}function l(t,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var i=document.createEvent("CustomEvent");return i.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),i}var c=this.SVG=function(t){return c.supported?(t=new c.Doc(t),c.parser||c.prepare(t),t):void 0};if(c.ns="http://www.w3.org/2000/svg",c.xmlns="http://www.w3.org/2000/xmlns/",c.xlink="http://www.w3.org/1999/xlink",c.did=1e3,c.eid=function(t){return"Svgjs"+t.charAt(0).toUpperCase()+t.slice(1)+c.did++},c.create=function(t){var e=document.createElementNS(this.ns,t);return e.setAttribute("id",this.eid(t)),e},c.extend=function(){var t,e,i,n;for(t=[].slice.call(arguments),e=t.pop(),n=t.length-1;n>=0;n--)if(t[n])for(i in e)t[n].prototype[i]=e[i];c.Set&&c.Set.inherit&&c.Set.inherit()},c.prepare=function(t){var e=document.getElementsByTagName("body")[0],i=(e?new c.Doc(e):t.nested()).size(2,0),n=c.create("path");i.node.appendChild(n),c.parser={body:e||t.parent(),draw:i.style("opacity:0;position:fixed;left:100%;top:100%;overflow:hidden"),poly:i.polyline().node,path:n}},c.supported=function(){return!!document.createElementNS&&!!document.createElementNS(c.ns,"svg").createSVGRect}(),!c.supported)return!1;c.get=function(t){var e=document.getElementById(u(t)||t);return e?c.adopt(e):void 0},c.select=function(t,e){return c.utils.map((e||document).querySelectorAll(t),function(t){return c.adopt(t)})},c.extend(c.Parent,{select:function(t){return c.select(t,this.node)}}),c.invent=function(t){var e="function"==typeof t.create?t.create:function(){this.constructor.call(this,c.create(t.create))};return t.inherit&&(e.prototype=new t.inherit),t.extend&&c.extend(e,t.extend),t.construct&&c.extend(t.parent||c.Container,t.construct),e},c.adopt=function(t){if(t.instance)return t.instance;var i;return i="svg"==t.nodeName?t.parentNode instanceof SVGElement?new c.Nested:new c.Doc:"lineairGradient"==t.nodeName?new c.Gradient("lineair"):"radialGradient"==t.nodeName?new c.Gradient("radial"):new(c[e(t.nodeName)]),i.type=t.nodeName,i.node=t,t.instance=i},c.regex={unit:/^(-?[\d\.]+)([a-z%]{0,2})$/,hex:/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i,rgb:/rgb\((\d+),(\d+),(\d+)\)/,reference:/#([a-z0-9\-_]+)/i,isHex:/^#[a-f0-9]{3,6}$/i,isRgb:/^rgb\(/,isCss:/[^:]+:[^;]+;?/,isBlank:/^(\s+)?$/,isNumber:/^-?[\d\.]+$/,isPercent:/^-?[\d\.]+%$/,isImage:/\.(jpg|jpeg|png|gif)(\?[^=]+.*)?/i,isEvent:/^[\w]+:[\w]+$/},c.utils={map:function(t,e){var i,n=t.length,r=[];for(i=0;n>i;i++)r.push(e(t[i]));return r}},c.defaults={matrix:"1 0 0 1 0 0",attrs:{"fill-opacity":1,"stroke-opacity":1,"stroke-width":0,"stroke-linejoin":"miter","stroke-linecap":"butt",fill:"#000000",stroke:"#000000",opacity:1,x:0,y:0,cx:0,cy:0,width:0,height:0,r:0,rx:0,ry:0,offset:0,"stop-opacity":1,"stop-color":"#000000","font-size":16,"font-family":"Helvetica, Arial, sans-serif","text-anchor":"start"},trans:function(){return{x:0,y:0,scaleX:1,scaleY:1,rotation:0,skewX:0,skewY:0,matrix:this.matrix,a:1,b:0,c:0,d:1,e:0,f:0}}},c.Color=function(t){var e;this.r=0,this.g=0,this.b=0,"string"==typeof t?c.regex.isRgb.test(t)?(e=c.regex.rgb.exec(t.replace(/\s/g,"")),this.r=parseInt(e[1]),this.g=parseInt(e[2]),this.b=parseInt(e[3])):c.regex.isHex.test(t)&&(e=c.regex.hex.exec(i(t)),this.r=parseInt(e[1],16),this.g=parseInt(e[2],16),this.b=parseInt(e[3],16)):"object"==typeof t&&(this.r=t.r,this.g=t.g,this.b=t.b)},c.extend(c.Color,{toString:function(){return this.toHex()},toHex:function(){return"#"+n(this.r)+n(this.g)+n(this.b)},toRgb:function(){return"rgb("+[this.r,this.g,this.b].join()+")"},brightness:function(){return this.r/255*.3+this.g/255*.59+this.b/255*.11},morph:function(t){return this.destination=new c.Color(t),this},at:function(t){return this.destination?(t=0>t?0:t>1?1:t,new c.Color({r:~~(this.r+(this.destination.r-this.r)*t),g:~~(this.g+(this.destination.g-this.g)*t),b:~~(this.b+(this.destination.b-this.b)*t)})):this}}),c.Color.test=function(t){return t+="",c.regex.isHex.test(t)||c.regex.isRgb.test(t)},c.Color.isRgb=function(t){return t&&"number"==typeof t.r&&"number"==typeof t.g&&"number"==typeof t.b},c.Color.isColor=function(t){return c.Color.isRgb(t)||c.Color.test(t)},c.Array=function(t,e){t=(t||[]).valueOf(),0==t.length&&e&&(t=e.valueOf()),this.value=this.parse(t)},c.extend(c.Array,{morph:function(t){if(this.destination=this.parse(t),this.value.length!=this.destination.length){for(var e=this.value[this.value.length-1],i=this.destination[this.destination.length-1];this.value.length>this.destination.length;)this.destination.push(i);for(;this.value.length<this.destination.length;)this.value.push(e)}return this},settle:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)-1==i.indexOf(this.value[t])&&i.push(this.value[t]);return this.value=i},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push(this.value[e]+(this.destination[e]-this.value[e])*t);return new c.Array(n)},toString:function(){return this.value.join(" ")},valueOf:function(){return this.value},parse:function(t){return t=t.valueOf(),Array.isArray(t)?t:this.split(t)},split:function(t){return t.replace(/\s+/g," ").replace(/^\s+|\s+$/g,"").split(" ")},reverse:function(){return this.value.reverse(),this}}),c.PointArray=function(){this.constructor.apply(this,arguments)},c.PointArray.prototype=new c.Array,c.extend(c.PointArray,{toString:function(){for(var t=0,e=this.value.length,i=[];e>t;t++)i.push(this.value[t].join(","));return i.join(" ")},at:function(t){if(!this.destination)return this;for(var e=0,i=this.value.length,n=[];i>e;e++)n.push([this.value[e][0]+(this.destination[e][0]-this.value[e][0])*t,this.value[e][1]+(this.destination[e][1]-this.value[e][1])*t]);return new c.PointArray(n)},parse:function(t){if(t=t.valueOf(),Array.isArray(t))return t;t=this.split(t);for(var e,i=0,n=t.length,r=[];n>i;i++)e=t[i].split(","),r.push([parseFloat(e[0]),parseFloat(e[1])]);return r},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n=this.value.length-1;n>=0;n--)this.value[n]=[this.value[n][0]+t,this.value[n][1]+e];return this},size:function(t,e){var i,n=this.bbox();for(i=this.value.length-1;i>=0;i--)this.value[i][0]=(this.value[i][0]-n.x)*t/n.width+n.x,this.value[i][1]=(this.value[i][1]-n.y)*e/n.height+n.y;return this},bbox:function(){return c.parser.poly.setAttribute("points",this.toString()),c.parser.poly.getBBox()}}),c.PathArray=function(t,e){this.constructor.call(this,t,e)},c.PathArray.prototype=new c.Array,c.extend(c.PathArray,{toString:function(){return h(this.value)},move:function(t,e){var i=this.bbox();if(t-=i.x,e-=i.y,!isNaN(t)&&!isNaN(e))for(var n,r=this.value.length-1;r>=0;r--)n=this.value[r][0],"M"==n||"L"==n||"T"==n?(this.value[r][1]+=t,this.value[r][2]+=e):"H"==n?this.value[r][1]+=t:"V"==n?this.value[r][1]+=e:"C"==n||"S"==n||"Q"==n?(this.value[r][1]+=t,this.value[r][2]+=e,this.value[r][3]+=t,this.value[r][4]+=e,"C"==n&&(this.value[r][5]+=t,this.value[r][6]+=e)):"A"==n&&(this.value[r][6]+=t,this.value[r][7]+=e);return this},size:function(t,e){var i,n,r=this.bbox();for(i=this.value.length-1;i>=0;i--)n=this.value[i][0],"M"==n||"L"==n||"T"==n?(this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x,this.value[i][2]=(this.value[i][2]-r.y)*e/r.height+r.y):"H"==n?this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x:"V"==n?this.value[i][1]=(this.value[i][1]-r.y)*e/r.height+r.y:"C"==n||"S"==n||"Q"==n?(this.value[i][1]=(this.value[i][1]-r.x)*t/r.width+r.x,this.value[i][2]=(this.value[i][2]-r.y)*e/r.height+r.y,this.value[i][3]=(this.value[i][3]-r.x)*t/r.width+r.x,this.value[i][4]=(this.value[i][4]-r.y)*e/r.height+r.y,"C"==n&&(this.value[i][5]=(this.value[i][5]-r.x)*t/r.width+r.x,this.value[i][6]=(this.value[i][6]-r.y)*e/r.height+r.y)):"A"==n&&(this.value[i][1]=this.value[i][1]*t/r.width,this.value[i][2]=this.value[i][2]*e/r.height,this.value[i][6]=(this.value[i][6]-r.x)*t/r.width+r.x,this.value[i][7]=(this.value[i][7]-r.y)*e/r.height+r.y);return this},parse:function(t){if(t instanceof c.PathArray)return t.valueOf();var e,i,n,r,s,o,a,u,l,f,d,p=0,m=0;for(c.parser.path.setAttribute("d","string"==typeof t?t:h(t)),d=c.parser.path.pathSegList,e=0,i=d.numberOfItems;i>e;++e)f=d.getItem(e),l=f.pathSegTypeAsLetter,"M"==l||"L"==l||"H"==l||"V"==l||"C"==l||"S"==l||"Q"==l||"T"==l||"A"==l?("x"in f&&(p=f.x),"y"in f&&(m=f.y)):("x1"in f&&(s=p+f.x1),"x2"in f&&(a=p+f.x2),"y1"in f&&(o=m+f.y1),"y2"in f&&(u=m+f.y2),"x"in f&&(p+=f.x),"y"in f&&(m+=f.y),"m"==l?d.replaceItem(c.parser.path.createSVGPathSegMovetoAbs(p,m),e):"l"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoAbs(p,m),e):"h"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoHorizontalAbs(p),e):"v"==l?d.replaceItem(c.parser.path.createSVGPathSegLinetoVerticalAbs(m),e):"c"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoCubicAbs(p,m,s,o,a,u),e):"s"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoCubicSmoothAbs(p,m,a,u),e):"q"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoQuadraticAbs(p,m,s,o),e):"t"==l?d.replaceItem(c.parser.path.createSVGPathSegCurvetoQuadraticSmoothAbs(p,m),e):"a"==l?d.replaceItem(c.parser.path.createSVGPathSegArcAbs(p,m,f.r1,f.r2,f.angle,f.largeArcFlag,f.sweepFlag),e):("z"==l||"Z"==l)&&(p=n,m=r)),("M"==l||"m"==l)&&(n=p,r=m);for(t=[],d=c.parser.path.pathSegList,e=0,i=d.numberOfItems;i>e;++e)f=d.getItem(e),l=f.pathSegTypeAsLetter,p=[l],"M"==l||"L"==l||"T"==l?p.push(f.x,f.y):"H"==l?p.push(f.x):"V"==l?p.push(f.y):"C"==l?p.push(f.x1,f.y1,f.x2,f.y2,f.x,f.y):"S"==l?p.push(f.x2,f.y2,f.x,f.y):"Q"==l?p.push(f.x1,f.y1,f.x,f.y):"A"==l&&p.push(f.r1,f.r2,f.angle,0|f.largeArcFlag,0|f.sweepFlag,f.x,f.y),t.push(p);return t},bbox:function(){return c.parser.path.setAttribute("d",this.toString()),c.parser.path.getBBox()}}),c.Number=function(t){if(this.value=0,this.unit="","number"==typeof t)this.value=isNaN(t)?0:isFinite(t)?t:0>t?-3.4e38:3.4e38;else if("string"==typeof t){var e=t.match(c.regex.unit);e&&(this.value=parseFloat(e[1]),"%"==e[2]?this.value/=100:"s"==e[2]&&(this.value*=1e3),this.unit=e[2])}else t instanceof c.Number&&(this.value=t.value,this.unit=t.unit)},c.extend(c.Number,{toString:function(){return("%"==this.unit?~~(1e8*this.value)/1e6:"s"==this.unit?this.value/1e3:this.value)+this.unit},valueOf:function(){return this.value},plus:function(t){return this.value=this+new c.Number(t),this},minus:function(t){return this.plus(-new c.Number(t))},times:function(t){return this.value=this*new c.Number(t),this},divide:function(t){return this.value=this/new c.Number(t),this},to:function(t){return"string"==typeof t&&(this.unit=t),this},morph:function(t){return this.destination=new c.Number(t),this},at:function(t){return this.destination?new c.Number(this.destination).minus(this).times(t).plus(this):this}}),c.ViewBox=function(t){var e,i,n,r,s=1,h=1,o=t.bbox(),a=(t.attr("viewBox")||"").match(/-?[\d\.]+/g),u=t,l=t;for(n=new c.Number(t.width()),r=new c.Number(t.height());"%"==n.unit;)s*=n.value,n=new c.Number(u instanceof c.Doc?u.parent().offsetWidth:u.parent().width()),u=u.parent();for(;"%"==r.unit;)h*=r.value,r=new c.Number(l instanceof c.Doc?l.parent().offsetHeight:l.parent().height()),l=l.parent();this.x=o.x,this.y=o.y,this.width=n*s,this.height=r*h,this.zoom=1,a&&(e=parseFloat(a[0]),i=parseFloat(a[1]),n=parseFloat(a[2]),r=parseFloat(a[3]),this.zoom=this.width/this.height>n/r?this.height/r:this.width/n,this.x=e,this.y=i,this.width=n,this.height=r)},c.extend(c.ViewBox,{toString:function(){return this.x+" "+this.y+" "+this.width+" "+this.height}}),c.BBox=function(t){var e;if(this.x=0,this.y=0,this.width=0,this.height=0,t){try{e=t.node.getBBox()}catch(i){e={x:t.node.clientLeft,y:t.node.clientTop,width:t.node.clientWidth,height:t.node.clientHeight}}this.x=e.x+t.trans.x,this.y=e.y+t.trans.y,this.width=e.width*t.trans.scaleX,this.height=e.height*t.trans.scaleY}o(this)},c.extend(c.BBox,{merge:function(t){var e=new c.BBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,o(e),e}}),c.RBox=function(t){var e,i,n={};if(this.x=0,this.y=0,this.width=0,this.height=0,t){for(e=t.doc().parent(),i=t.doc().viewbox().zoom,n=t.node.getBoundingClientRect(),this.x=n.left,this.y=n.top,this.x-=e.offsetLeft,this.y-=e.offsetTop;e=e.offsetParent;)this.x-=e.offsetLeft,this.y-=e.offsetTop;for(e=t;e.parent&&(e=e.parent());)"svg"==e.type&&e.viewbox&&(i*=e.viewbox().zoom,this.x-=e.x()||0,this.y-=e.y()||0)}this.x/=i,this.y/=i,this.width=n.width/=i,this.height=n.height/=i,this.x+=window.scrollX,this.y+=window.scrollY,o(this)},c.extend(c.RBox,{merge:function(t){var e=new c.RBox;return e.x=Math.min(this.x,t.x),e.y=Math.min(this.y,t.y),e.width=Math.max(this.x+this.width,t.x+t.width)-e.x,e.height=Math.max(this.y+this.height,t.y+t.height)-e.y,o(e),e}}),c.Element=c.invent({create:function(t){this._stroke=c.defaults.attrs.stroke,this.trans=c.defaults.trans(),(this.node=t)&&(this.type=t.nodeName,this.node.instance=this)},extend:{x:function(t){return null!=t&&(t=new c.Number(t),t.value/=this.trans.scaleX),this.attr("x",t)},y:function(t){return null!=t&&(t=new c.Number(t),t.value/=this.trans.scaleY),this.attr("y",t)},cx:function(t){return null==t?this.x()+this.width()/2:this.x(t-this.width()/2)},cy:function(t){return null==t?this.y()+this.height()/2:this.y(t-this.height()/2)},move:function(t,e){return this.x(t).y(e)},center:function(t,e){return this.cx(t).cy(e)},width:function(t){return this.attr("width",t)},height:function(t){return this.attr("height",t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.width(new c.Number(i.width)).height(new c.Number(i.height))},clone:function(){var t,e,i=this.type;return t="rect"==i||"ellipse"==i?this.parent()[i](0,0):"line"==i?this.parent()[i](0,0,0,0):"image"==i?this.parent()[i](this.src):"text"==i?this.parent()[i](this.content):"path"==i?this.parent()[i](this.attr("d")):"polyline"==i||"polygon"==i?this.parent()[i](this.attr("points")):"g"==i?this.parent().group():this.parent()[i](),e=this.attr(),delete e.id,t.attr(e),t.trans=this.trans,t.transform({})},remove:function(){return this.parent()&&this.parent().removeElement(this),this},replace:function(t){return this.after(t).remove(),t},addTo:function(t){return t.put(this)},putIn:function(t){return t.add(this)},doc:function(t){return this.parent(t||c.Doc)},attr:function(t,e,i){if(null==t){for(t={},e=this.node.attributes,i=e.length-1;i>=0;i--)t[e[i].nodeName]=c.regex.isNumber.test(e[i].nodeValue)?parseFloat(e[i].nodeValue):e[i].nodeValue;return t}if("object"==typeof t)for(e in t)this.attr(e,t[e]);else if(null===e)this.node.removeAttribute(t);else{if(null==e)return e=this.node.getAttribute(t),null==e?c.defaults.attrs[t]:c.regex.isNumber.test(e)?parseFloat(e):e;if("style"==t)return this.style(e);"stroke-width"==t?this.attr("stroke",parseFloat(e)>0?this._stroke:null):"stroke"==t&&(this._stroke=e),("fill"==t||"stroke"==t)&&(c.regex.isImage.test(e)&&(e=this.doc().defs().image(e,0,0)),e instanceof c.Image&&(e=this.doc().defs().pattern(0,0,function(){this.add(e)}))),"number"==typeof e?e=new c.Number(e):c.Color.isColor(e)?e=new c.Color(e):Array.isArray(e)&&(e=new c.Array(e)),"leading"==t?this.leading&&this.leading(e):"string"==typeof i?this.node.setAttributeNS(i,t,e.toString()):this.node.setAttribute(t,e.toString()),!this.rebuild||"font-size"!=t&&"x"!=t||this.rebuild(t,e)}return this},transform:function(t,e){if(0==arguments.length)return this.trans;if("string"==typeof t){if(arguments.length<2)return this.trans[t];var i={};return i[t]=e,this.transform(i)}var i=[];t=a(t);for(e in t)null!=t[e]&&(this.trans[e]=t[e]);return this.trans.matrix=this.trans.a+" "+this.trans.b+" "+this.trans.c+" "+this.trans.d+" "+this.trans.e+" "+this.trans.f,t=this.trans,t.matrix!=c.defaults.matrix&&i.push("matrix("+t.matrix+")"),0!=t.rotation&&i.push("rotate("+t.rotation+" "+(null==t.cx?this.bbox().cx:t.cx)+" "+(null==t.cy?this.bbox().cy:t.cy)+")"),(1!=t.scaleX||1!=t.scaleY)&&i.push("scale("+t.scaleX+" "+t.scaleY+")"),0!=t.skewX&&i.push("skewX("+t.skewX+")"),0!=t.skewY&&i.push("skewY("+t.skewY+")"),(0!=t.x||0!=t.y)&&i.push("translate("+new c.Number(t.x/t.scaleX)+" "+new c.Number(t.y/t.scaleY)+")"),0==i.length?this.node.removeAttribute("transform"):this.node.setAttribute("transform",i.join(" ")),this},style:function(e,i){if(0==arguments.length)return this.node.style.cssText||"";if(arguments.length<2)if("object"==typeof e)for(i in e)this.style(i,e[i]);else{if(!c.regex.isCss.test(e))return this.node.style[t(e)];e=e.split(";");for(var n=0;n<e.length;n++)i=e[n].split(":"),this.style(i[0].replace(/\s+/g,""),i[1])}else this.node.style[t(e)]=null===i||c.regex.isBlank.test(i)?"":i;return this},id:function(t){return this.attr("id",t)},bbox:function(){return new c.BBox(this)},rbox:function(){return new c.RBox(this)},inside:function(t,e){var i=this.bbox();return t>i.x&&e>i.y&&t<i.x+i.width&&e<i.y+i.height},show:function(){return this.style("display","")},hide:function(){return this.style("display","none")},visible:function(){return"none"!=this.style("display")},toString:function(){return this.attr("id")},classes:function(){var t=this.attr("class");return null==t?[]:t.trim().split(/\s+/)},hasClass:function(t){return-1!=this.classes().indexOf(t)},addClass:function(t){if(!this.hasClass(t)){var e=this.classes();e.push(t),this.attr("class",e.join(" "))}return this},removeClass:function(t){if(this.hasClass(t)){var e=this.classes().filter(function(e){return e!=t});this.attr("class",e.join(" "))}return this},toggleClass:function(t){return this.hasClass(t)?this.removeClass(t):this.addClass(t)},reference:function(t){return c.get(this.attr(t))},parent:function(t){var e=c.adopt(this.node.parentNode);if(t)for(;!(e instanceof t);)e=c.adopt(e.node.parentNode);return e}}}),c.Parent=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Element,extend:{children:function(){return c.utils.map(this.node.childNodes,function(t){return c.adopt(t)})},add:function(t,e){return this.has(t)||(e=null==e?this.children().length:e,this.node.insertBefore(t.node,this.node.childNodes[e]||null)),this},put:function(t,e){return this.add(t,e),t},has:function(t){return this.index(t)>=0},index:function(t){return this.children().indexOf(t)},get:function(t){return this.children()[t]},first:function(){return this.children()[0]},last:function(){return this.children()[this.children().length-1]},each:function(t,e){var i,n,r=this.children();for(i=0,n=r.length;n>i;i++)r[i]instanceof c.Element&&t.apply(r[i],[i,r]),e&&r[i]instanceof c.Container&&r[i].each(t,e);return this},removeElement:function(t){return this.node.removeChild(t.node),this},clear:function(){for(;this.node.hasChildNodes();)this.node.removeChild(this.node.lastChild);return console.log(this.node.childNodes.length),this instanceof c.Doc&&this.defs(),this},defs:function(){return this.doc().defs()}}}),c.Container=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Parent,extend:{viewbox:function(t){return 0==arguments.length?new c.ViewBox(this):(t=1==arguments.length?[t.x,t.y,t.width,t.height]:[].slice.call(arguments),this.attr("viewBox",t))}}}),c.FX=c.invent({create:function(t){this.target=t},extend:{animate:function(t,e,i){var n,r,h,o,a=this.target,u=this;return"object"==typeof t&&(i=t.delay,e=t.ease,t=t.duration),t="="==t?t:null==t?1e3:new c.Number(t).valueOf(),e=e||"<>",u.to=function(t){var i;if(t=0>t?0:t>1?1:t,null==n){n=[];for(o in u.attrs)n.push(o);if(a.morphArray&&(u._plot||n.indexOf("points")>-1)){var l,c=new a.morphArray(u._plot||u.attrs.points||a.array);u._size&&c.size(u._size.width.to,u._size.height.to),l=c.bbox(),u._x?c.move(u._x.to,l.y):u._cx&&c.move(u._cx.to-l.width/2,l.y),l=c.bbox(),u._y?c.move(l.x,u._y.to):u._cy&&c.move(l.x,u._cy.to-l.height/2),delete u._x,delete u._y,delete u._cx,delete u._cy,delete u._size,u._plot=a.array.morph(c)}}if(null==r){r=[];for(o in u.trans)r.push(o)}if(null==h){h=[];for(o in u.styles)h.push(o)}for(t="<>"==e?-Math.cos(t*Math.PI)/2+.5:">"==e?Math.sin(t*Math.PI/2):"<"==e?-Math.cos(t*Math.PI/2)+1:"-"==e?t:"function"==typeof e?e(t):t,u._plot?a.plot(u._plot.at(t)):(u._x?a.x(u._x.at(t)):u._cx&&a.cx(u._cx.at(t)),u._y?a.y(u._y.at(t)):u._cy&&a.cy(u._cy.at(t)),u._size&&a.size(u._size.width.at(t),u._size.height.at(t))),u._viewbox&&a.viewbox(u._viewbox.x.at(t),u._viewbox.y.at(t),u._viewbox.width.at(t),u._viewbox.height.at(t)),u._leading&&a.leading(u._leading.at(t)),i=n.length-1;i>=0;i--)a.attr(n[i],s(u.attrs[n[i]],t));for(i=r.length-1;i>=0;i--)a.transform(r[i],s(u.trans[r[i]],t));for(i=h.length-1;i>=0;i--)a.style(h[i],s(u.styles[h[i]],t));u._during&&u._during.call(a,t,function(e,i){return s({from:e,to:i},t)})},"number"==typeof t&&(this.timeout=setTimeout(function(){var n=(new Date).getTime();u.situation={interval:1e3/60,start:n,play:!0,finish:n+t,duration:t},u.render=function(){if(u.situation.play===!0){var n=(new Date).getTime(),r=n>u.situation.finish?1:(n-u.situation.start)/t;u.to(r),n>u.situation.finish?(u._plot&&a.plot(new c.PointArray(u._plot.destination).settle()),u._loop===!0||"number"==typeof u._loop&&u._loop>1?("number"==typeof u._loop&&--u._loop,u.animate(t,e,i)):u._after?u._after.apply(a,[u]):u.stop()):requestAnimFrame(u.render)}else requestAnimFrame(u.render)},u.render()},new c.Number(i).valueOf())),this},bbox:function(){return this.target.bbox()},attr:function(t,e){if("object"==typeof t)for(var i in t)this.attr(i,t[i]);else{var n=this.target.attr(t);this.attrs[t]=c.Color.isColor(n)?new c.Color(n).morph(e):c.regex.unit.test(n)?new c.Number(n).morph(e):{from:n,to:e}}return this},transform:function(t,e){if(1==arguments.length){t=a(t),delete t.matrix;for(e in t)this.trans[e]={from:this.target.trans[e],to:t[e]}}else{var i={};i[t]=e,this.transform(i)}return this},style:function(t,e){if("object"==typeof t)for(var i in t)this.style(i,t[i]);else this.styles[t]={from:this.target.style(t),to:e};return this},x:function(t){return this._x=new c.Number(this.target.x()).morph(t),this},y:function(t){return this._y=new c.Number(this.target.y()).morph(t),this},cx:function(t){return this._cx=new c.Number(this.target.cx()).morph(t),this},cy:function(t){return this._cy=new c.Number(this.target.cy()).morph(t),this},move:function(t,e){return this.x(t).y(e)},center:function(t,e){return this.cx(t).cy(e)},size:function(t,e){if(this.target instanceof c.Text)this.attr("font-size",t);else{var i=this.target.bbox();this._size={width:new c.Number(i.width).morph(t),height:new c.Number(i.height).morph(e)}}return this},plot:function(t){return this._plot=t,this},leading:function(t){return this.target._leading&&(this._leading=new c.Number(this.target._leading).morph(t)),this},viewbox:function(t,e,i,n){if(this.target instanceof c.Container){var r=this.target.viewbox();this._viewbox={x:new c.Number(r.x).morph(t),y:new c.Number(r.y).morph(e),width:new c.Number(r.width).morph(i),height:new c.Number(r.height).morph(n)}}return this},update:function(t){return this.target instanceof c.Stop&&(null!=t.opacity&&this.attr("stop-opacity",t.opacity),null!=t.color&&this.attr("stop-color",t.color),null!=t.offset&&this.attr("offset",new c.Number(t.offset))),this},during:function(t){return this._during=t,this},after:function(t){return this._after=t,this},loop:function(t){return this._loop=t||!0,this},stop:function(t){return t===!0?(this.animate(0),this._after&&this._after.apply(this.target,[this])):(clearTimeout(this.timeout),this.attrs={},this.trans={},this.styles={},this.situation={},delete this._x,delete this._y,delete this._cx,delete this._cy,delete this._size,delete this._plot,delete this._loop,delete this._after,delete this._during,delete this._leading,delete this._viewbox),this},pause:function(){return this.situation.play===!0&&(this.situation.play=!1,this.situation.pause=(new Date).getTime()),this},play:function(){if(this.situation.play===!1){var t=(new Date).getTime()-this.situation.pause;this.situation.finish+=t,this.situation.start+=t,this.situation.play=!0}return this}},parent:c.Element,construct:{animate:function(t,e,i){return(this.fx||(this.fx=new c.FX(this))).stop().animate(t,e,i)},stop:function(t){return this.fx&&this.fx.stop(t),this},pause:function(){return this.fx&&this.fx.pause(),this},play:function(){return this.fx&&this.fx.play(),this}}}),c.extend(c.Element,c.FX,{dx:function(t){return this.x((this.target||this).x()+t)},dy:function(t){return this.y((this.target||this).y()+t)},dmove:function(t,e){return this.dx(t).dy(e)}}),["click","dblclick","mousedown","mouseup","mouseover","mouseout","mousemove","mouseenter","mouseleave","touchstart","touchmove","touchleave","touchend","touchcancel"].forEach(function(t){c.Element.prototype[t]=function(e){var i=this;return this.node["on"+t]="function"==typeof e?function(){return e.apply(i,arguments)}:null,this}}),c.events={},c.listeners={},c.registerEvent=function(t){c.events[t]||(c.events[t]=new l(t))},c.on=function(t,e,i){var n=i.bind(t.instance||t);c.listeners[i]=n,t.addEventListener(e,n,!1)},c.off=function(t,e,i){t.removeEventListener(e,c.listeners[i],!1),delete c.listeners[i]},c.extend(c.Element,{on:function(t,e){return c.on(this.node,t,e),this},off:function(t,e){return c.off(this.node,t,e),this},fire:function(t,e){return c.events[t].detail=e,this.node.dispatchEvent(c.events[t]),delete c.events[t].detail,this}}),c.Defs=c.invent({create:"defs",inherit:c.Container}),c.G=c.invent({create:"g",inherit:c.Container,extend:{x:function(t){return null==t?this.trans.x:this.transform("x",t)},y:function(t){return null==t?this.trans.y:this.transform("y",t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)}},construct:{group:function(){return this.put(new c.G)}}}),c.extend(c.Element,{siblings:function(){return this.parent().children()},position:function(){return this.parent().index(this)},next:function(){return this.siblings()[this.position()+1]},previous:function(){return this.siblings()[this.position()-1]},forward:function(){var t=this.position();return this.parent().removeElement(this).put(this,t+1)},backward:function(){var t=this.position();return t>0&&this.parent().removeElement(this).add(this,t-1),this},front:function(){return this.parent().removeElement(this).put(this)},back:function(){return this.position()>0&&this.parent().removeElement(this).add(this,0),this},before:function(t){t.remove();var e=this.position();return this.parent().add(t,e),this},after:function(t){t.remove();var e=this.position();return this.parent().add(t,e+1),this}}),c.Mask=c.invent({create:function(){this.constructor.call(this,c.create("mask")),this.targets=[]},inherit:c.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unmask();return delete this.targets,this.parent().removeElement(this),this}},construct:{mask:function(){return this.defs().put(new c.Mask)}}}),c.extend(c.Element,{maskWith:function(t){return this.masker=t instanceof c.Mask?t:this.parent().mask().add(t),this.masker.targets.push(this),this.attr("mask",'url("#'+this.masker.attr("id")+'")')},unmask:function(){return delete this.masker,this.attr("mask",null)}}),c.ClipPath=c.invent({create:function(){this.constructor.call(this,c.create("clipPath")),this.targets=[]},inherit:c.Container,extend:{remove:function(){for(var t=this.targets.length-1;t>=0;t--)this.targets[t]&&this.targets[t].unclip();return delete this.targets,this.parent().removeElement(this),this}},construct:{clip:function(){return this.defs().put(new c.ClipPath)}}}),c.extend(c.Element,{clipWith:function(t){return this.clipper=t instanceof c.ClipPath?t:this.parent().clip().add(t),this.clipper.targets.push(this),this.attr("clip-path",'url("#'+this.clipper.attr("id")+'")')},unclip:function(){return delete this.clipper,this.attr("clip-path",null)}}),c.Gradient=c.invent({create:function(t){this.constructor.call(this,c.create(t+"Gradient")),this.type=t},inherit:c.Container,extend:{from:function(t,e){return"radial"==this.type?this.attr({fx:new c.Number(t),fy:new c.Number(e)}):this.attr({x1:new c.Number(t),y1:new c.Number(e)})},to:function(t,e){return"radial"==this.type?this.attr({cx:new c.Number(t),cy:new c.Number(e)}):this.attr({x2:new c.Number(t),y2:new c.Number(e)})},radius:function(t){return"radial"==this.type?this.attr({r:new c.Number(t)}):this},at:function(t,e,i){return this.put(new c.Stop).update(t,e,i)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},fill:function(){return"url(#"+this.id()+")"},toString:function(){return this.fill()}},construct:{gradient:function(t,e){return this.defs().gradient(t,e)}}}),c.extend(c.Defs,{gradient:function(t,e){return this.put(new c.Gradient(t)).update(e)}}),c.Stop=c.invent({create:"stop",inherit:c.Element,extend:{update:function(t){return("number"==typeof t||t instanceof c.Number)&&(t={offset:arguments[0],color:arguments[1],opacity:arguments[2]}),null!=t.opacity&&this.attr("stop-opacity",t.opacity),null!=t.color&&this.attr("stop-color",t.color),null!=t.offset&&this.attr("offset",new c.Number(t.offset)),this}}}),c.Pattern=c.invent({create:"pattern",inherit:c.Container,extend:{fill:function(){return"url(#"+this.id()+")"},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return this.fill()}},construct:{pattern:function(t,e,i){return this.defs().pattern(t,e,i)}}}),c.extend(c.Defs,{pattern:function(t,e,i){return this.put(new c.Pattern).update(i).attr({x:0,y:0,width:t,height:e,patternUnits:"userSpaceOnUse"})}}),c.Doc=c.invent({create:function(t){t="string"==typeof t?document.getElementById(t):t,"svg"==t.nodeName?this.constructor.call(this,t):(this.constructor.call(this,c.create("svg")),t.appendChild(this.node)),this.attr({xmlns:c.ns,version:"1.1",width:"100%",height:"100%"}).attr("xmlns:xlink",c.xlink,c.xmlns).defs()},inherit:c.Container,extend:{defs:function(){if(!this._defs){var t;this._defs=(t=this.node.getElementsByTagName("defs")[0])?c.adopt(t):new c.Defs,this.node.appendChild(this._defs.node)}return this._defs},parent:function(){return"#document"==this.node.parentNode.nodeName?null:this.node.parentNode}}}),c.extend(c.Doc,{spof:function(){if(this.doSpof){var t=this.node.getScreenCTM();t&&this.style("left",-t.e%1+"px").style("top",-t.f%1+"px")}return this},fixSubPixelOffset:function(){var t=this;return this.doSpof=!0,c.on(window,"resize",function(){t.spof()}),this.spof()}}),c.Shape=c.invent({create:function(t){this.constructor.call(this,t)},inherit:c.Element}),c.Symbol=c.invent({create:"symbol",inherit:c.Container,construct:{symbol:function(){return this.defs().put(new c.Symbol)}}}),c.Use=c.invent({create:"use",inherit:c.Shape,extend:{element:function(t){return this.target=t,this.attr("href","#"+t,c.xlink)}},construct:{use:function(t){return this.put(new c.Use).element(t)}}}),c.Rect=c.invent({create:"rect",inherit:c.Shape,construct:{rect:function(t,e){return this.put((new c.Rect).size(t,e))}}}),c.Ellipse=c.invent({create:"ellipse",inherit:c.Shape,extend:{x:function(t){return null==t?this.cx()-this.attr("rx"):this.cx(t+this.attr("rx"))},y:function(t){return null==t?this.cy()-this.attr("ry"):this.cy(t+this.attr("ry"))},cx:function(t){return null==t?this.attr("cx"):this.attr("cx",new c.Number(t).divide(this.trans.scaleX))},cy:function(t){return null==t?this.attr("cy"):this.attr("cy",new c.Number(t).divide(this.trans.scaleY))},width:function(t){return null==t?2*this.attr("rx"):this.attr("rx",new c.Number(t).divide(2))},height:function(t){return null==t?2*this.attr("ry"):this.attr("ry",new c.Number(t).divide(2))},size:function(t,e){var i=r(this.bbox(),t,e);
+return this.attr({rx:new c.Number(i.width).divide(2),ry:new c.Number(i.height).divide(2)})}},construct:{circle:function(t){return this.ellipse(t,t)},ellipse:function(t,e){return this.put(new c.Ellipse).size(t,e).move(0,0)}}}),c.Line=c.invent({create:"line",inherit:c.Shape,extend:{x:function(t){var e=this.bbox();return null==t?e.x:this.attr({x1:this.attr("x1")-e.x+t,x2:this.attr("x2")-e.x+t})},y:function(t){var e=this.bbox();return null==t?e.y:this.attr({y1:this.attr("y1")-e.y+t,y2:this.attr("y2")-e.y+t})},cx:function(t){var e=this.bbox().width/2;return null==t?this.x()+e:this.x(t-e)},cy:function(t){var e=this.bbox().height/2;return null==t?this.y()+e:this.y(t-e)},width:function(t){var e=this.bbox();return null==t?e.width:this.attr(this.attr("x1")<this.attr("x2")?"x2":"x1",e.x+t)},height:function(t){var e=this.bbox();return null==t?e.height:this.attr(this.attr("y1")<this.attr("y2")?"y2":"y1",e.y+t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.width(i.width).height(i.height)},plot:function(t,e,i,n){return this.attr({x1:t,y1:e,x2:i,y2:n})}},construct:{line:function(t,e,i,n){return this.put((new c.Line).plot(t,e,i,n))}}}),c.Polyline=c.invent({create:"polyline",inherit:c.Shape,construct:{polyline:function(t){return this.put(new c.Polyline).plot(t)}}}),c.Polygon=c.invent({create:"polygon",inherit:c.Shape,construct:{polygon:function(t){return this.put(new c.Polygon).plot(t)}}}),c.extend(c.Polyline,c.Polygon,{morphArray:c.PointArray,plot:function(t){return this.attr("points",this.array=new c.PointArray(t,[[0,0]]))},move:function(t,e){return this.attr("points",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},width:function(t){var e=this.bbox();return null==t?e.width:this.size(t,e.height)},height:function(t){var e=this.bbox();return null==t?e.height:this.size(e.width,t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.attr("points",this.array.size(i.width,i.height))}}),c.Path=c.invent({create:"path",inherit:c.Shape,extend:{plot:function(t){return this.attr("d",this.array=new c.PathArray(t,[["M",0,0]]))},move:function(t,e){return this.attr("d",this.array.move(t,e))},x:function(t){return null==t?this.bbox().x:this.move(t,this.bbox().y)},y:function(t){return null==t?this.bbox().y:this.move(this.bbox().x,t)},size:function(t,e){var i=r(this.bbox(),t,e);return this.attr("d",this.array.size(i.width,i.height))},width:function(t){return null==t?this.bbox().width:this.size(t,this.bbox().height)},height:function(t){return null==t?this.bbox().height:this.size(this.bbox().width,t)}},construct:{path:function(t){return this.put(new c.Path).plot(t)}}}),c.Image=c.invent({create:"image",inherit:c.Shape,extend:{load:function(t){if(!t)return this;var e=this,i=document.createElement("img");return i.onload=function(){var n=e.doc(c.Pattern);0==e.width()&&0==e.height()&&e.size(i.width,i.height),n&&0==n.width()&&0==n.height()&&n.size(e.width(),e.height()),"function"==typeof e._loaded&&e._loaded.call(e,{width:i.width,height:i.height,ratio:i.width/i.height,url:t})},this.attr("href",i.src=this.src=t,c.xlink)},loaded:function(t){return this._loaded=t,this}},construct:{image:function(t,e,i){return this.put(new c.Image).load(t).size(e||0,i||e||0)}}}),c.Text=c.invent({create:function(){this.constructor.call(this,c.create("text")),this._leading=new c.Number(1.3),this._rebuild=!0,this._build=!1,this.attr("font-family",c.defaults.attrs["font-family"])},inherit:c.Shape,extend:{x:function(t){return null==t?this.attr("x"):(this.textPath||this.lines.each(function(){this.newLined&&this.x(t)}),this.attr("x",t))},y:function(t){var e=this.attr("y"),i="number"==typeof e?e-this.bbox().y:0;return null==t?"number"==typeof e?e-i:e:this.attr("y","number"==typeof t?t+i:t)},cx:function(t){return null==t?this.bbox().cx:this.x(t-this.bbox().width/2)},cy:function(t){return null==t?this.bbox().cy:this.y(t-this.bbox().height/2)},text:function(t){if("undefined"==typeof t)return this.content;if(this.clear().build(!0),"function"==typeof t)t.call(this,this);else{t=(this.content=t).split("\n");for(var e=0,i=t.length;i>e;e++)this.tspan(t[e]).newLine()}return this.build(!1).rebuild()},size:function(t){return this.attr("font-size",t).rebuild()},leading:function(t){return null==t?this._leading:(this._leading=new c.Number(t),this.rebuild())},rebuild:function(t){if("boolean"==typeof t&&(this._rebuild=t),this._rebuild){var e=this;this.lines.each(function(){this.newLined&&(this.textPath||this.attr("x",e.attr("x")),this.attr("dy",e._leading*new c.Number(e.attr("font-size"))))}),this.fire("rebuild")}return this},build:function(t){return this._build=!!t,this}},construct:{text:function(t){return this.put(new c.Text).text(t)},plain:function(t){return this.put(new c.Text).plain(t)}}}),c.TSpan=c.invent({create:"tspan",inherit:c.Shape,extend:{text:function(t){return"function"==typeof t?t.call(this,this):this.plain(t),this},dx:function(t){return this.attr("dx",t)},dy:function(t){return this.attr("dy",t)},newLine:function(){var t=this.doc(c.Text);return this.newLined=!0,this.dy(t._leading*t.attr("font-size")).attr("x",t.x())}}}),c.extend(c.Text,c.TSpan,{plain:function(t){return this._build===!1&&this.clear(),this.node.appendChild(document.createTextNode(this.content=t)),this},tspan:function(t){var e=(this.textPath||this).node,i=new c.TSpan;return this._build===!1&&this.clear(),e.appendChild(i.node),this instanceof c.Text&&this.lines.add(i),i.text(t)},clear:function(){for(var t=(this.textPath||this).node;t.hasChildNodes();)t.removeChild(t.lastChild);return this instanceof c.Text&&(delete this.lines,this.lines=new c.Set,this.content=""),this},length:function(){return this.node.getComputedTextLength()}}),c.registerEvent("rebuild"),c.TextPath=c.invent({create:"textPath",inherit:c.Element,parent:c.Text,construct:{path:function(t){for(this.textPath=new c.TextPath;this.node.hasChildNodes();)this.textPath.node.appendChild(this.node.firstChild);return this.node.appendChild(this.textPath.node),this.track=this.doc().defs().path(t),this.textPath.parent=this,this.textPath.attr("href","#"+this.track,c.xlink),this},plot:function(t){return this.track&&this.track.plot(t),this}}}),c.Nested=c.invent({create:function(){this.constructor.call(this,c.create("svg")),this.style("overflow","visible")},inherit:c.Container,construct:{nested:function(){return this.put(new c.Nested)}}}),c.A=c.invent({create:"a",inherit:c.Container,extend:{to:function(t){return this.attr("href",t,c.xlink)},show:function(t){return this.attr("show",t,c.xlink)},target:function(t){return this.attr("target",t)}},construct:{link:function(t){return this.put(new c.A).to(t)}}}),c.extend(c.Element,{linkTo:function(t){var e=new c.A;return"function"==typeof t?t.call(e,e):e.to(t),this.parent().put(e).put(this)}}),c.Marker=c.invent({create:"marker",inherit:c.Container,extend:{width:function(t){return this.attr("markerWidth",t)},height:function(t){return this.attr("markerHeight",t)},ref:function(t,e){return this.attr("refX",t).attr("refY",e)},update:function(t){return this.clear(),"function"==typeof t&&t.call(this,this),this},toString:function(){return"url(#"+this.id()+")"}},construct:{marker:function(t,e,i){return this.defs().marker(t,e,i)}}}),c.extend(c.Defs,{marker:function(t,e,i){return this.put(new c.Marker).size(t,e).ref(t/2,e/2).viewbox(0,0,t,e).attr("orient","auto").update(i)}}),c.extend(c.Line,c.Polyline,c.Polygon,c.Path,{marker:function(t,e,i,n){var r=["marker"];return"all"!=t&&r.push(t),r=r.join("-"),t=arguments[1]instanceof c.Marker?arguments[1]:this.doc().marker(e,i,n),this.attr(r,t)}});var f={stroke:["color","width","opacity","linecap","linejoin","miterlimit","dasharray","dashoffset"],fill:["color","opacity","rule"],prefix:function(t,e){return"color"==e?t:t+"-"+e}};["fill","stroke"].forEach(function(t){var e,i={};i[t]=function(i){if("string"==typeof i||c.Color.isRgb(i)||i&&"function"==typeof i.fill)this.attr(t,i);else for(e=f[t].length-1;e>=0;e--)null!=i[f[t][e]]&&this.attr(f.prefix(t,f[t][e]),i[f[t][e]]);return this},c.extend(c.Element,c.FX,i)}),c.extend(c.Element,c.FX,{rotate:function(t,e,i){return this.transform({rotation:t||0,cx:e,cy:i})},skew:function(t,e){return this.transform({skewX:t||0,skewY:e||0})},scale:function(t,e){return this.transform({scaleX:t,scaleY:null==e?t:e})},translate:function(t,e){return this.transform({x:t,y:e})},matrix:function(t){return this.transform({matrix:t})},opacity:function(t){return this.attr("opacity",t)}}),c.extend(c.Rect,c.Ellipse,c.FX,{radius:function(t,e){return this.attr({rx:t,ry:e||t})}}),c.extend(c.Path,{length:function(){return this.node.getTotalLength()},pointAt:function(t){return this.node.getPointAtLength(t)}}),c.extend(c.Parent,c.Text,c.FX,{font:function(t){for(var e in t)"leading"==e?this.leading(t[e]):"anchor"==e?this.attr("text-anchor",t[e]):"size"==e||"family"==e||"weight"==e||"stretch"==e||"variant"==e||"style"==e?this.attr("font-"+e,t[e]):this.attr(e,t[e]);return this}}),c.Set=c.invent({create:function(){this.clear()},extend:{add:function(){var t,e,i=[].slice.call(arguments);for(t=0,e=i.length;e>t;t++)this.members.push(i[t]);return this},remove:function(t){var e=this.index(t);return e>-1&&this.members.splice(e,1),this},each:function(t){for(var e=0,i=this.members.length;i>e;e++)t.apply(this.members[e],[e,this.members]);return this},clear:function(){return this.members=[],this},has:function(t){return this.index(t)>=0},index:function(t){return this.members.indexOf(t)},get:function(t){return this.members[t]},first:function(){return this.get(0)},last:function(){return this.get(this.members.length-1)},valueOf:function(){return this.members},bbox:function(){var t=new c.BBox;if(0==this.members.length)return t;var e=this.members[0].rbox();return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,this.each(function(){t=t.merge(this.rbox())}),t}},construct:{set:function(){return new c.Set}}}),c.SetFX=c.invent({create:function(t){this.set=t}}),c.Set.inherit=function(){var t,e=[];for(var t in c.Shape.prototype)"function"==typeof c.Shape.prototype[t]&&"function"!=typeof c.Set.prototype[t]&&e.push(t);e.forEach(function(t){c.Set.prototype[t]=function(){for(var e=0,i=this.members.length;i>e;e++)this.members[e]&&"function"==typeof this.members[e][t]&&this.members[e][t].apply(this.members[e],arguments);return"animate"==t?this.fx||(this.fx=new c.SetFX(this)):this}}),e=[];for(var t in c.FX.prototype)"function"==typeof c.FX.prototype[t]&&"function"!=typeof c.SetFX.prototype[t]&&e.push(t);e.forEach(function(t){c.SetFX.prototype[t]=function(){for(var e=0,i=this.set.members.length;i>e;e++)this.set.members[e].fx[t].apply(this.set.members[e].fx,arguments);return this}})},c.extend(c.Element,{data:function(t,e,i){if("object"==typeof t)for(e in t)this.data(e,t[e]);else if(arguments.length<2)try{return JSON.parse(this.attr("data-"+t))}catch(n){return this.attr("data-"+t)}else this.attr("data-"+t,null===e?null:i===!0||"string"==typeof e||"number"==typeof e?e:JSON.stringify(e));return this}}),c.extend(c.Element,{remember:function(t,e){if("object"==typeof arguments[0])for(var e in t)this.remember(e,t[e]);else{if(1==arguments.length)return this.memory()[t];this.memory()[t]=e}return this},forget:function(){if(0==arguments.length)this._memory={};else for(var t=arguments.length-1;t>=0;t--)delete this.memory()[arguments[t]];return this},memory:function(){return this._memory||(this._memory={})}}),"function"==typeof define&&define.amd?define(function(){return c}):"undefined"!=typeof exports&&(exports.SVG=c),window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(t){window.setTimeout(t,1e3/60)}}(),"function"!=typeof l&&(l.prototype=window.Event.prototype,window.CustomEvent=l)}).call(this);
\ No newline at end of file
diff --git a/spec/spec/doc.js b/spec/spec/doc.js
index ba9fecc..81e47f9 100755
--- a/spec/spec/doc.js
+++ b/spec/spec/doc.js
@@ -3,9 +3,13 @@ describe('Doc', function() {
   it('is an instance of SVG.Container', function() {
     expect(draw instanceof SVG.Container).toBe(true)
   })
+
+  it('is an instance of SVG.Doc', function() {
+    expect(draw instanceof SVG.Doc).toBe(true)
+  })
   
   it('has a defs element', function() {
-    expect(draw._defs instanceof SVG.Defs).toBe(true)
+    expect(draw.defs() instanceof SVG.Defs).toBe(true)
   })
 
   describe('defs()', function() {
diff --git a/src/doc.js b/src/doc.js
index 54b7c70..1a025f3 100755
--- a/src/doc.js
+++ b/src/doc.js
@@ -15,10 +15,11 @@ SVG.Doc = SVG.invent({
       element.appendChild(this.node)
     }
     
-    /* set svg element attributes */
+    /* set svg element attributes and ensure defs node */
     this
       .attr({ xmlns: SVG.ns, version: '1.1', width: '100%', height: '100%' })
       .attr('xmlns:xlink', SVG.xlink, SVG.xmlns)
+      .defs()
   }
 
   // Inherit from
diff --git a/src/parent.js b/src/parent.js
index 55878ec..095120a 100755
--- a/src/parent.js
+++ b/src/parent.js
@@ -18,10 +18,10 @@ SVG.Parent = SVG.invent({
     // Add given element at a position
   , add: function(element, i) {
       if (!this.has(element)) {
-        /* define insertion index if none given */
+        // Define insertion index if none given
         i = i == null ? this.children().length : i
         
-        /* add element references */
+        // Add element references
         this.node.insertBefore(element.node, this.node.childNodes[i] || null)
       }
 
@@ -78,9 +78,10 @@ SVG.Parent = SVG.invent({
       // Remove children
       while(this.node.hasChildNodes())
         this.node.removeChild(this.node.lastChild)
-
-      // Remove defs cache reference
-      delete this._defs
+      
+      // Ensure new defs node
+      if (this instanceof SVG.Doc)
+        this.defs()
 
       return this
     }
diff --git a/src/rbox.js b/src/rbox.js
index 598b3b4..fe6a9fa 100755
--- a/src/rbox.js
+++ b/src/rbox.js
@@ -31,7 +31,7 @@ SVG.RBox = function(element) {
     
     /* calculate cumulative zoom from svg documents */
     e = element
-    while (e = e.parent()) {
+    while (e.parent && (e = e.parent())) {
       if (e.type == 'svg' && e.viewbox) {
         zoom *= e.viewbox().zoom
         this.x -= e.x() || 0