--- a/ckanext/ga_report/public/scripts/ckanext_ga_reports.js
+++ b/ckanext/ga_report/public/scripts/ckanext_ga_reports.js
@@ -2,13 +2,17 @@
 CKAN.GA_Reports = {};
 
 CKAN.GA_Reports.render_rickshaw = function( css_name, data, mode, colorscheme ) {
+    var graphLegends = $('#graph-legend-container');
+
     if (!Modernizr.svg) {
         $("#chart_"+css_name)
           .html( '<div class="alert">Your browser does not support vector graphics. No graphs can be rendered.</div>')
-          .css('height','auto');
+          .closest('.rickshaw_chart_container').css('height',50);
+        var myLegend = $('<div id="legend_'+css_name+'"/>')
+          .html('(Graph cannot be rendered)')
+          .appendTo(graphLegends);
         return;
     }
-    var graphLegends = $('#graph-legend-container');
     var myLegend = $('<div id="legend_'+css_name+'"/>').appendTo(graphLegends);
 
     var palette = new Rickshaw.Color.Palette( { scheme: colorscheme } );

--- /dev/null
+++ b/ckanext/ga_report/public/scripts/rickshaw_ie7_shim.js
@@ -1,1 +1,109 @@
+/* 
+ * Collection of shims to allow d3 and Rickshaw to load, error-free
+ * (but ultimately unusable) on Internet Explorer 7. The browser's
+ * API lacks several crucial functions which these libraries depend
+ * upon to load; we try to hide these errors from the user.
+ *
+ * With thanks to Array functions from:
+ * http://stackoverflow.com/questions/2790001/fixing-javascript-array-functions-in-internet-explorer-indexof-foreach-etc
+ *
+ * Use (Modernizr.svg==true) to detect whether it's okay to draw a graph.
+ */
+'use strict';
 
+window.Element = window.Element || {'prototype': {}};
+window.CSSStyleDeclaration = window.CSSStyleDeclaration || {'prototype':{}};
+
+// Add ECMA262-5 method binding if not supported natively
+//
+if (!('bind' in Function.prototype)) {
+    Function.prototype.bind= function(owner) {
+        var that= this;
+        if (arguments.length<=1) {
+            return function() {
+                return that.apply(owner, arguments);
+            };
+        } else {
+            var args= Array.prototype.slice.call(arguments, 1);
+            return function() {
+                return that.apply(owner, arguments.length===0? args : args.concat(Array.prototype.slice.call(arguments)));
+            };
+        }
+    };
+}
+
+// Add ECMA262-5 string trim if not supported natively
+//
+if (!('trim' in String.prototype)) {
+    String.prototype.trim= function() {
+        return this.replace(/^\s+/, '').replace(/\s+$/, '');
+    };
+}
+
+// Add ECMA262-5 Array methods if not supported natively
+//
+if (!('indexOf' in Array.prototype)) {
+    Array.prototype.indexOf= function(find, i /*opt*/) {
+        if (i===undefined) i= 0;
+        if (i<0) i+= this.length;
+        if (i<0) i= 0;
+        for (var n= this.length; i<n; i++)
+            if (i in this && this[i]===find)
+                return i;
+        return -1;
+    };
+}
+if (!('lastIndexOf' in Array.prototype)) {
+    Array.prototype.lastIndexOf= function(find, i /*opt*/) {
+        if (i===undefined) i= this.length-1;
+        if (i<0) i+= this.length;
+        if (i>this.length-1) i= this.length-1;
+        for (i++; i-->0;) /* i++ because from-argument is sadly inclusive */
+            if (i in this && this[i]===find)
+                return i;
+        return -1;
+    };
+}
+if (!('forEach' in Array.prototype)) {
+    Array.prototype.forEach= function(action, that /*opt*/) {
+        for (var i= 0, n= this.length; i<n; i++)
+            if (i in this)
+                action.call(that, this[i], i, this);
+    };
+}
+if (!('map' in Array.prototype)) {
+    Array.prototype.map= function(mapper, that /*opt*/) {
+        var other= new Array(this.length);
+        for (var i= 0, n= this.length; i<n; i++)
+            if (i in this)
+                other[i]= mapper.call(that, this[i], i, this);
+        return other;
+    };
+}
+if (!('filter' in Array.prototype)) {
+    Array.prototype.filter= function(filter, that /*opt*/) {
+        var other= [], v;
+        for (var i=0, n= this.length; i<n; i++)
+            if (i in this && filter.call(that, v= this[i], i, this))
+                other.push(v);
+        return other;
+    };
+}
+if (!('every' in Array.prototype)) {
+    Array.prototype.every= function(tester, that /*opt*/) {
+        for (var i= 0, n= this.length; i<n; i++)
+            if (i in this && !tester.call(that, this[i], i, this))
+                return false;
+        return true;
+    };
+}
+if (!('some' in Array.prototype)) {
+    Array.prototype.some= function(tester, that /*opt*/) {
+        for (var i= 0, n= this.length; i<n; i++)
+            if (i in this && tester.call(that, this[i], i, this))
+                return true;
+        return false;
+    };
+}
+
+

--- a/ckanext/ga_report/public/scripts/vendor/d3.layout.min.js
+++ b/ckanext/ga_report/public/scripts/vendor/d3.layout.min.js
@@ -1,2 +1,1 @@
-if(Modernizr.svg){(function(){function a(a){var b=a.source,d=a.target,e=c(b,d),f=[b];while(b!==e)b=b.parent,f.push(b);var g=f.length;while(d!==e)f.splice(g,0,d),d=d.parent;return f}function b(a){var b=[],c=a.parent;while(c!=null)b.push(a),a=c,c=c.parent;return b.push(a),b}function c(a,c){if(a===c)return a;var d=b(a),e=b(c),f=d.pop(),g=e.pop(),h=null;while(f===g)h=f,f=d.pop(),g=e.pop();return h}function g(a){a.fixed|=2}function h(a){a!==f&&(a.fixed&=1)}function i(){j(),f.fixed&=1,e=f=null}function j(){f.px+=d3.event.dx,f.py+=d3.event.dy,e.resume()}function k(a,b,c){var d=0,e=0;a.charge=0;if(!a.leaf){var f=a.nodes,g=f.length,h=-1,i;while(++h<g){i=f[h];if(i==null)continue;k(i,b,c),a.charge+=i.charge,d+=i.charge*i.cx,e+=i.charge*i.cy}}if(a.point){a.leaf||(a.point.x+=Math.random()-.5,a.point.y+=Math.random()-.5);var j=b*c[a.point.index];a.charge+=a.pointCharge=j,d+=j*a.point.x,e+=j*a.point.y}a.cx=d/a.charge,a.cy=e/a.charge}function l(a){return 20}function m(a){return 1}function o(a){return a.x}function p(a){return a.y}function q(a,b,c){a.y0=b,a.y=c}function t(a){var b=1,c=0,d=a[0][1],e,f=a.length;for(;b<f;++b)(e=a[b][1])>d&&(c=b,d=e);return c}function u(a){return a.reduce(v,0)}function v(a,b){return a+b[1]}function w(a,b){return x(a,Math.ceil(Math.log(b.length)/Math.LN2+1))}function x(a,b){var c=-1,d=+a[0],e=(a[1]-d)/b,f=[];while(++c<=b)f[c]=e*c+d;return f}function y(a){return[d3.min(a),d3.max(a)]}function z(a,b){return a.sort=d3.rebind(a,b.sort),a.children=d3.rebind(a,b.children),a.links=D,a.value=d3.rebind(a,b.value),a.nodes=function(b){return E=!0,(a.nodes=a)(b)},a}function A(a){return a.children}function B(a){return a.value}function C(a,b){return b.value-a.value}function D(a){return d3.merge(a.map(function(a){return(a.children||[]).map(function(b){return{source:a,target:b}})}))}function F(a,b){return a.value-b.value}function G(a,b){var c=a._pack_next;a._pack_next=b,b._pack_prev=a,b._pack_next=c,c._pack_prev=b}function H(a,b){a._pack_next=b,b._pack_prev=a}function I(a,b){var c=b.x-a.x,d=b.y-a.y,e=a.r+b.r;return e*e-c*c-d*d>.001}function J(a){function l(a){b=Math.min(a.x-a.r,b),c=Math.max(a.x+a.r,c),d=Math.min(a.y-a.r,d),e=Math.max(a.y+a.r,e)}var b=Infinity,c=-Infinity,d=Infinity,e=-Infinity,f=a.length,g,h,i,j,k;a.forEach(K),g=a[0],g.x=-g.r,g.y=0,l(g);if(f>1){h=a[1],h.x=h.r,h.y=0,l(h);if(f>2){i=a[2],O(g,h,i),l(i),G(g,i),g._pack_prev=i,G(i,h),h=g._pack_next;for(var m=3;m<f;m++){O(g,h,i=a[m]);var n=0,o=1,p=1;for(j=h._pack_next;j!==h;j=j._pack_next,o++)if(I(j,i)){n=1;break}if(n==1)for(k=g._pack_prev;k!==j._pack_prev;k=k._pack_prev,p++)if(I(k,i)){p<o&&(n=-1,j=k);break}n==0?(G(g,i),h=i,l(i)):n>0?(H(g,j),h=j,m--):(H(j,h),g=j,m--)}}}var q=(b+c)/2,r=(d+e)/2,s=0;for(var m=0;m<f;m++){var t=a[m];t.x-=q,t.y-=r,s=Math.max(s,t.r+Math.sqrt(t.x*t.x+t.y*t.y))}return a.forEach(L),s}function K(a){a._pack_next=a._pack_prev=a}function L(a){delete a._pack_next,delete a._pack_prev}function M(a){var b=a.children;b&&b.length?(b.forEach(M),a.r=J(b)):a.r=Math.sqrt(a.value)}function N(a,b,c,d){var e=a.children;a.x=b+=d*a.x,a.y=c+=d*a.y,a.r*=d;if(e){var f=-1,g=e.length;while(++f<g)N(e[f],b,c,d)}}function O(a,b,c){var d=a.r+c.r,e=b.x-a.x,f=b.y-a.y;if(d&&(e||f)){var g=b.r+c.r,h=Math.sqrt(e*e+f*f),i=Math.max(-1,Math.min(1,(d*d+h*h-g*g)/(2*d*h))),j=Math.acos(i),k=i*(d/=h),l=Math.sin(j)*d;c.x=a.x+k*e+l*f,c.y=a.y+k*f-l*e}else c.x=a.x+d,c.y=a.y}function P(a){return 1+d3.max(a,function(a){return a.y})}function Q(a){return a.reduce(function(a,b){return a+b.x},0)/a.length}function R(a){var b=a.children;return b&&b.length?R(b[0]):a}function S(a){var b=a.children,c;return b&&(c=b.length)?S(b[c-1]):a}function T(a,b){return a.parent==b.parent?1:2}function U(a){var b=a.children;return b&&b.length?b[0]:a._tree.thread}function V(a){var b=a.children,c;return b&&(c=b.length)?b[c-1]:a._tree.thread}function W(a,b){var c=a.children;if(c&&(e=c.length)){var d,e,f=-1;while(++f<e)b(d=W(c[f],b),a)>0&&(a=d)}return a}function X(a,b){return a.x-b.x}function Y(a,b){return b.x-a.x}function Z(a,b){return a.depth-b.depth}function $(a,b){function c(a,d){var e=a.children;if(e&&(i=e.length)){var f,g=null,h=-1,i;while(++h<i)f=e[h],c(f,g),g=f}b(a,d)}c(a,null)}function _(a){var b=0,c=0,d=a.children,e=d.length,f;while(--e>=0)f=d[e]._tree,f.prelim+=b,f.mod+=b,b+=f.shift+(c+=f.change)}function ba(a,b,c){a=a._tree,b=b._tree;var d=c/(b.number-a.number);a.change+=d,b.change-=d,b.shift+=c,b.prelim+=c,b.mod+=c}function bb(a,b,c){return a._tree.ancestor.parent==b.parent?a._tree.ancestor:c}function bc(a){return{x:a.x,y:a.y,dx:a.dx,dy:a.dy}}function bd(a,b){var c=a.x+b[3],d=a.y+b[0],e=a.dx-b[1]-b[3],f=a.dy-b[0]-b[2];return e<0&&(c+=e/2,e=0),f<0&&(d+=f/2,f=0),{x:c,y:d,dx:e,dy:f}}d3.layout={},d3.layout.bundle=function(){return function(b){var c=[],d=-1,e=b.length;while(++d<e)c.push(a(b[d]));return c}},d3.layout.chord=function(){function j(){var a={},j=[],l=d3.range(e),m=[],n,o,p,q,r;b=[],c=[],n=0,q=-1;while(++q<e){o=0,r=-1;while(++r<e)o+=d[q][r];j.push(o),m.push(d3.range(e)),n+=o}g&&l.sort(function(a,b){return g(j[a],j[b])}),h&&m.forEach(function(a,b){a.sort(function(a,c){return h(d[b][a],d[b][c])})}),n=(2*Math.PI-f*e)/n,o=0,q=-1;while(++q<e){p=o,r=-1;while(++r<e){var s=l[q],t=m[s][r],u=d[s][t],v=o,w=o+=u*n;a[s+"-"+t]={index:s,subindex:t,startAngle:v,endAngle:w,value:u}}c.push({index:s,startAngle:p,endAngle:o,value:(o-p)/n}),o+=f}q=-1;while(++q<e){r=q-1;while(++r<e){var x=a[q+"-"+r],y=a[r+"-"+q];(x.value||y.value)&&b.push(x.value<y.value?{source:y,target:x}:{source:x,target:y})}}i&&k()}function k(){b.sort(function(a,b){return i((a.source.value+a.target.value)/2,(b.source.value+b.target.value)/2)})}var a={},b,c,d,e,f=0,g,h,i;return a.matrix=function(f){return arguments.length?(e=(d=f)&&d.length,b=c=null,a):d},a.padding=function(d){return arguments.length?(f=d,b=c=null,a):f},a.sortGroups=function(d){return arguments.length?(g=d,b=c=null,a):g},a.sortSubgroups=function(c){return arguments.length?(h=c,b=null,a):h},a.sortChords=function(c){return arguments.length?(i=c,b&&k(),a):i},a.chords=function(){return b||j(),b},a.groups=function(){return c||j(),c},a},d3.layout.force=function(){function A(a){return function(b,c,d,e,f){if(b.point!==a){var g=b.cx-a.x,h=b.cy-a.y,i=1/Math.sqrt(g*g+h*h);if((e-c)*i<t){var j=b.charge*i*i;return a.px-=g*j,a.py-=h*j,!0}if(b.point&&isFinite(i)){var j=b.pointCharge*i*i;a.px-=g*j,a.py-=h*j}}return!b.charge}}function B(){var a=v.length,d=w.length,e,f,g,h,i,j,l,m,p;for(f=0;f<d;++f){g=w[f],h=g.source,i=g.target,m=i.x-h.x,p=i.y-h.y;if(j=m*m+p*p)j=n*y[f]*((j=Math.sqrt(j))-x[f])/j,m*=j,p*=j,i.x-=m*(l=h.weight/(i.weight+h.weight)),i.y-=p*l,h.x+=m*(l=1-l),h.y+=p*l}if(l=n*s){m=c[0]/2,p=c[1]/2,f=-1;if(l)while(++f<a)g=v[f],g.x+=(m-g.x)*l,g.y+=(p-g.y)*l}if(r){k(e=d3.geom.quadtree(v),n,z),f=-1;while(++f<a)(g=v[f]).fixed||e.visit(A(g))}f=-1;while(++f<a)g=v[f],g.fixed?(g.x=g.px,g.y=g.py):(g.x-=(g.px-(g.px=g.x))*o,g.y-=(g.py-(g.py=g.y))*o);return b.tick({type:"tick",alpha:n}),(n*=.99)<.005}function C(b){g(f=b),e=a}var a={},b=d3.dispatch("tick"),c=[1,1],d,n,o=.9,p=l,q=m,r=-30,s=.1,t=.8,u,v=[],w=[],x,y,z;return a.on=function(c,d){return b.on(c,d),a},a.nodes=function(b){return arguments.length?(v=b,a):v},a.links=function(b){return arguments.length?(w=b,a):w},a.size=function(b){return arguments.length?(c=b,a):c},a.linkDistance=function(b){return arguments.length?(p=d3.functor(b),a):p},a.distance=a.linkDistance,a.linkStrength=function(b){return arguments.length?(q=d3.functor(b),a):q},a.friction=function(b){return arguments.length?(o=b,a):o},a.charge=function(b){return arguments.length?(r=typeof b=="function"?b:+b,a):r},a.gravity=function(b){return arguments.length?(s=b,a):s},a.theta=function(b){return arguments.length?(t=b,a):t},a.start=function(){function k(a,c){var d=l(b),e=-1,f=d.length,g;while(++e<f)if(!isNaN(g=d[e][a]))return g;return Math.random()*c}function l(){if(!i){i=[];for(d=0;d<e;++d)i[d]=[];for(d=0;d<f;++d){var a=w[d];i[a.source.index].push(a.target),i[a.target.index].push(a.source)}}return i[b]}var b,d,e=v.length,f=w.length,g=c[0],h=c[1],i,j;for(b=0;b<e;++b)(j=v[b]).index=b,j.weight=0;x=[],y=[];for(b=0;b<f;++b)j=w[b],typeof j.source=="number"&&(j.source=v[j.source]),typeof j.target=="number"&&(j.target=v[j.target]),x[b]=p.call(this,j,b),y[b]=q.call(this,j,b),++j.source.weight,++j.target.weight;for(b=0;b<e;++b)j=v[b],isNaN(j.x)&&(j.x=k("x",g)),isNaN(j.y)&&(j.y=k("y",h)),isNaN(j.px)&&(j.px=j.x),isNaN(j.py)&&(j.py=j.y);z=[];if(typeof r=="function")for(b=0;b<e;++b)z[b]=+r.call(this,v[b],b);else for(b=0;b<e;++b)z[b]=r;return a.resume()},a.resume=function(){return n=.1,d3.timer(B),a},a.stop=function(){return n=0,a},a.drag=function(){d||(d=d3.behavior.drag().on("dragstart",C).on("drag",j).on("dragend",i)),this.on("mouseover.force",g).on("mouseout.force",h).call(d)},a};var e,f;d3.layout.partition=function(){function c(a,b,d,e){var f=a.children;a.x=b,a.y=a.depth*e,a.dx=d,a.dy=e;if(f&&(h=f.length)){var g=-1,h,i,j;d=a.value?d/a.value:0;while(++g<h)c(i=f[g],b,j=i.value*d,e),b+=j}}function d(a){var b=a.children,c=0;if(b&&(f=b.length)){var e=-1,f;while(++e<f)c=Math.max(c,d(b[e]))}return 1+c}function e(e,f){var g=a.call(this,e,f);return c(g[0],0,b[0],b[1]/d(g[0])),g}var a=d3.layout.hierarchy(),b=[1,1];return e.size=function(a){return arguments.length?(b=a,e):b},z(e,a)},d3.layout.pie=function(){function f(g,h){var i=g.map(function(b,c){return+a.call(f,b,c)}),j=+(typeof c=="function"?c.apply(this,arguments):c),k=((typeof e=="function"?e.apply(this,arguments):e)-c)/d3.sum(i),l=d3.range(g.length);b!=null&&l.sort(b===n?function(a,b){return i[b]-i[a]}:function(a,c){return b(g[a],g[c])});var m=l.map(function(a){return{data:g[a],value:d=i[a],startAngle:j,endAngle:j+=d*k}});return g.map(function(a,b){return m[l[b]]})}var a=Number,b=n,c=0,e=2*Math.PI;return f.value=function(b){return arguments.length?(a=b,f):a},f.sort=function(a){return arguments.length?(b=a,f):b},f.startAngle=function(a){return arguments.length?(c=a,f):c},f.endAngle=function(a){return arguments.length?(e=a,f):e},f};var n={};d3.layout.stack=function(){function g(h,i){var j=h.map(function(b,c){return a.call(g,b,c)}),k=j.map(function(a,b){return a.map(function(a,b){return[e.call(g,a,b),f.call(g,a,b)]})}),l=b.call(g,k,i);j=d3.permute(j,l),k=d3.permute(k,l);var m=c.call(g,k,i),n=j.length,o=j[0].length,p,q,r;for(q=0;q<o;++q){d.call(g,j[0][q],r=m[q],k[0][q][1]);for(p=1;p<n;++p)d.call(g,j[p][q],r+=k[p-1][q][1],k[p][q][1])}return h}var a=Object,b=r["default"],c=s.zero,d=q,e=o,f=p;return g.values=function(b){return arguments.length?(a=b,g):a},g.order=function(a){return arguments.length?(b=typeof a=="function"?a:r[a],g):b},g.offset=function(a){return arguments.length?(c=typeof a=="function"?a:s[a],g):c},g.x=function(a){return arguments.length?(e=a,g):e},g.y=function(a){return arguments.length?(f=a,g):f},g.out=function(a){return arguments.length?(d=a,g):d},g};var r={"inside-out":function(a){var b=a.length,c,d,e=a.map(t),f=a.map(u),g=d3.range(b).sort(function(a,b){return e[a]-e[b]}),h=0,i=0,j=[],k=[];for(c=0;c<b;++c)d=g[c],h<i?(h+=f[d],j.push(d)):(i+=f[d],k.push(d));return k.reverse().concat(j)},reverse:function(a){return d3.range(a.length).reverse()},"default":function(a){return d3.range(a.length)}},s={silhouette:function(a){var b=a.length,c=a[0].length,d=[],e=0,f,g,h,i=[];for(g=0;g<c;++g){for(f=0,h=0;f<b;f++)h+=a[f][g][1];h>e&&(e=h),d.push(h)}for(g=0;g<c;++g)i[g]=(e-d[g])/2;return i},wiggle:function(a){var b=a.length,c=a[0],d=c.length,e=0,f,g,h,i,j,k,l,m,n,o=[];o[0]=m=n=0;for(g=1;g<d;++g){for(f=0,i=0;f<b;++f)i+=a[f][g][1];for(f=0,j=0,l=c[g][0]-c[g-1][0];f<b;++f){for(h=0,k=(a[f][g][1]-a[f][g-1][1])/(2*l);h<f;++h)k+=(a[h][g][1]-a[h][g-1][1])/l;j+=k*a[f][g][1]}o[g]=m-=i?j/i*l:0,m<n&&(n=m)}for(g=0;g<d;++g)o[g]-=n;return o},expand:function(a){var b=a.length,c=a[0].length,d=1/b,e,f,g,h=[];for(f=0;f<c;++f){for(e=0,g=0;e<b;e++)g+=a[e][f][1];if(g)for(e=0;e<b;e++)a[e][f][1]/=g;else for(e=0;e<b;e++)a[e][f][1]=d}for(f=0;f<c;++f)h[f]=0;return h},zero:function(a){var b=-1,c=a[0].length,d=[];while(++b<c)d[b]=0;return d}};d3.layout.histogram=function(){function e(e,f){var g=[],h=e.map(b,this),i=c.call(this,h,f),j=d.call(this,i,h,f),k,f=-1,l=h.length,m=j.length-1,n=a?1:1/l,o;while(++f<m)k=g[f]=[],k.dx=j[f+1]-(k.x=j[f]),k.y=0;f=-1;while(++f<l)o=h[f],o>=i[0]&&o<=i[1]&&(k=g[d3.bisect(j,o,1,m)-1],k.y+=n,k.push(e[f]));return g}var a=!0,b=Number,c=y,d=w;return e.value=function(a){return arguments.length?(b=a,e):b},e.range=function(a){return arguments.length?(c=d3.functor(a),e):c},e.bins=function(a){return arguments.length?(d=typeof a=="number"?function(b){return x(b,a)}:d3.functor(a),e):d},e.frequency=function(b){return arguments.length?(a=!!b,e):a},e},d3.layout.hierarchy=function(){function e(f,h,i){var j=b.call(g,f,h),k=E?f:{data:f};k.depth=h,i.push(k);if(j&&(m=j.length)){var l=-1,m,n=k.children=[],o=0,p=h+1;while(++l<m)d=e(j[l],p,i),d.parent=k,n.push(d),o+=d.value;a&&n.sort(a),c&&(k.value=o)}else c&&(k.value=+c.call(g,f,h)||0);return k}function f(a,b){var d=a.children,e=0;if(d&&(i=d.length)){var h=-1,i,j=b+1;while(++h<i)e+=f(d[h],j)}else c&&(e=+c.call(g,E?a:a.data,b)||0);return c&&(a.value=e),e}function g(a){var b=[];return e(a,0,b),b}var a=C,b=A,c=B;return g.sort=function(b){return arguments.length?(a=b,g):a},g.children=function(a){return arguments.length?(b=a,g):b},g.value=function(a){return arguments.length?(c=a,g):c},g.revalue=function(a){return f(a,0),a},g};var E=!1;d3.layout.pack=function(){function c(c,d){var e=a.call(this,c,d),f=e[0];f.x=0,f.y=0,M(f);var g=b[0],h=b[1],i=1/Math.max(2*f.r/g,2*f.r/h);return N(f,g/2,h/2,i),e}var a=d3.layout.hierarchy().sort(F),b=[1,1];return c.size=function(a){return arguments.length?(b=a,c):b},z(c,a)},d3.layout.cluster=function(){function d(d,e){var f=a.call(this,d,e),g=f[0],h,i=0,j,k;$(g,function(a){var c=a.children;c&&c.length?(a.x=Q(c),a.y=P(c)):(a.x=h?i+=b(a,h):0,a.y=0,h=a)});var l=R(g),m=S(g),n=l.x-b(l,m)/2,o=m.x+b(m,l)/2;return $(g,function(a){a.x=(a.x-n)/(o-n)*c[0],a.y=(1-a.y/g.y)*c[1]}),f}var a=d3.layout.hierarchy().sort(null).value(null),b=T,c=[1,1];return d.separation=function(a){return arguments.length?(b=a,d):b},d.size=function(a){return arguments.length?(c=a,d):c},z(d,a)},d3.layout.tree=function(){function d(d,e){function h(a,c){var d=a.children,e=a._tree;if(d&&(f=d.length)){var f,g=d[0],i,k=g,l,m=-1;while(++m<f)l=d[m],h(l,i),k=j(l,i,k),i=l;_(a);var n=.5*(g._tree.prelim+l._tree.prelim);c?(e.prelim=c._tree.prelim+b(a,c),e.mod=e.prelim-n):e.prelim=n}else c&&(e.prelim=c._tree.prelim+b(a,c))}function i(a,b){a.x=a._tree.prelim+b;var c=a.children;if(c&&(e=c.length)){var d=-1,e;b+=a._tree.mod;while(++d<e)i(c[d],b)}}function j(a,c,d){if(c){var e=a,f=a,g=c,h=a.parent.children[0],i=e._tree.mod,j=f._tree.mod,k=g._tree.mod,l=h._tree.mod,m;while(g=V(g),e=U(e),g&&e)h=U(h),f=V(f),f._tree.ancestor=a,m=g._tree.prelim+k-e._tree.prelim-i+b(g,e),m>0&&(ba(bb(g,a,d),a,m),i+=m,j+=m),k+=g._tree.mod,i+=e._tree.mod,l+=h._tree.mod,j+=f._tree.mod;g&&!V(f)&&(f._tree.thread=g,f._tree.mod+=k-j),e&&!U(h)&&(h._tree.thread=e,h._tree.mod+=i-l,d=a)}return d}var f=a.call(this,d,e),g=f[0];$(g,function(a,b){a._tree={ancestor:a,prelim:0,mod:0,change:0,shift:0,number:b?b._tree.number+1:0}}),h(g),i(g,-g._tree.prelim);var k=W(g,Y),l=W(g,X),m=W(g,Z),n=k.x-b(k,l)/2,o=l.x+b(l,k)/2,p=m.depth||1;return $(g,function(a){a.x=(a.x-n)/(o-n)*c[0],a.y=a.depth/p*c[1],delete a._tree}),f}var a=d3.layout.hierarchy().sort(null).value(null),b=T,c=[1,1];return d.separation=function(a){return arguments.length?(b=a,d):b},d.size=function(a){return arguments.length?(c=a,d):c},z(d,a)},d3.layout.treemap=function(){function i(a,b){var c=-1,d=a.length,e,f;while(++c<d)f=(e=a[c]).value*(b<0?0:b),e.area=isNaN(f)||f<=0?0:f}function j(a){var b=a.children;if(b&&b.length){var c=e(a),d=[],f=b.slice(),g,h=Infinity,k,n=Math.min(c.dx,c.dy),o;i(f,c.dx*c.dy/a.value),d.area=0;while((o=f.length)>0)d.push(g=f[o-1]),d.area+=g.area,(k=l(d,n))<=h?(f.pop(),h=k):(d.area-=d.pop().area,m(d,n,c,!1),n=Math.min(c.dx,c.dy),d.length=d.area=0,h=Infinity);d.length&&(m(d,n,c,!0),d.length=d.area=0),b.forEach(j)}}function k(a){var b=a.children;if(b&&b.length){var c=e(a),d=b.slice(),f,g=[];i(d,c.dx*c.dy/a.value),g.area=0;while(f=d.pop())g.push(f),g.area+=f.area,f.z!=null&&(m(g,f.z?c.dx:c.dy,c,!d.length),g.length=g.area=0);b.forEach(k)}}function l(a,b){var c=a.area,d,e=0,f=Infinity,g=-1,i=a.length;while(++g<i){if(!(d=a[g].area))continue;d<f&&(f=d),d>e&&(e=d)}return c*=c,b*=b,c?Math.max(b*e*h/c,c/(b*f*h)):Infinity}function m(a,c,d,e){var f=-1,g=a.length,h=d.x,i=d.y,j=c?b(a.area/c):0,k;if(c==d.dx){if(e||j>d.dy)j=j?d.dy:0;while(++f<g)k=a[f],k.x=h,k.y=i,k.dy=j,h+=k.dx=j?b(k.area/j):0;k.z=!0,k.dx+=d.x+d.dx-h,d.y+=j,d.dy-=j}else{if(e||j>d.dx)j=j?d.dx:0;while(++f<g)k=a[f],k.x=h,k.y=i,k.dx=j,i+=k.dy=j?b(k.area/j):0;k.z=!1,k.dy+=d.y+d.dy-i,d.x+=j,d.dx-=j}}function n(b){var d=g||a(b),e=d[0];return e.x=0,e.y=0,e.dx=c[0],e.dy=c[1],g&&a.revalue(e),i([e],e.dx*e.dy/e.value),(g?k:j)(e),f&&(g=d),d}var a=d3.layout.hierarchy(),b=Math.round,c=[1,1],d=null,e=bc,f=!1,g,h=.5*(1+Math.sqrt(5));return n.size=function(a){return arguments.length?(c=a,n):c},n.padding=function(a){function b(b){var c=a.call(n,b,b.depth);return c==null?bc(b):bd(b,typeof c=="number"?[c,c,c,c]:c)}function c(b){return bd(b,a)}if(!arguments.length)return d;var f;return e=(d=a)==null?bc:(f=typeof a)==="function"?b:f==="number"?(a=[a,a,a,a],c):c,n},n.round=function(a){return arguments.length?(b=a?Math.round:Number,n):b!=Number},n.sticky=function(a){return arguments.length?(f=a,g=null,n):f},n.ratio=function(a){return arguments.length?(h=a,n):h},z(n,a)}})();}
-
+(function(){function a(a){var b=a.source,d=a.target,e=c(b,d),f=[b];while(b!==e)b=b.parent,f.push(b);var g=f.length;while(d!==e)f.splice(g,0,d),d=d.parent;return f}function b(a){var b=[],c=a.parent;while(c!=null)b.push(a),a=c,c=c.parent;return b.push(a),b}function c(a,c){if(a===c)return a;var d=b(a),e=b(c),f=d.pop(),g=e.pop(),h=null;while(f===g)h=f,f=d.pop(),g=e.pop();return h}function g(a){a.fixed|=2}function h(a){a!==f&&(a.fixed&=1)}function i(){j(),f.fixed&=1,e=f=null}function j(){f.px+=d3.event.dx,f.py+=d3.event.dy,e.resume()}function k(a,b,c){var d=0,e=0;a.charge=0;if(!a.leaf){var f=a.nodes,g=f.length,h=-1,i;while(++h<g){i=f[h];if(i==null)continue;k(i,b,c),a.charge+=i.charge,d+=i.charge*i.cx,e+=i.charge*i.cy}}if(a.point){a.leaf||(a.point.x+=Math.random()-.5,a.point.y+=Math.random()-.5);var j=b*c[a.point.index];a.charge+=a.pointCharge=j,d+=j*a.point.x,e+=j*a.point.y}a.cx=d/a.charge,a.cy=e/a.charge}function l(a){return 20}function m(a){return 1}function o(a){return a.x}function p(a){return a.y}function q(a,b,c){a.y0=b,a.y=c}function t(a){var b=1,c=0,d=a[0][1],e,f=a.length;for(;b<f;++b)(e=a[b][1])>d&&(c=b,d=e);return c}function u(a){return a.reduce(v,0)}function v(a,b){return a+b[1]}function w(a,b){return x(a,Math.ceil(Math.log(b.length)/Math.LN2+1))}function x(a,b){var c=-1,d=+a[0],e=(a[1]-d)/b,f=[];while(++c<=b)f[c]=e*c+d;return f}function y(a){return[d3.min(a),d3.max(a)]}function z(a,b){return a.sort=d3.rebind(a,b.sort),a.children=d3.rebind(a,b.children),a.links=D,a.value=d3.rebind(a,b.value),a.nodes=function(b){return E=!0,(a.nodes=a)(b)},a}function A(a){return a.children}function B(a){return a.value}function C(a,b){return b.value-a.value}function D(a){return d3.merge(a.map(function(a){return(a.children||[]).map(function(b){return{source:a,target:b}})}))}function F(a,b){return a.value-b.value}function G(a,b){var c=a._pack_next;a._pack_next=b,b._pack_prev=a,b._pack_next=c,c._pack_prev=b}function H(a,b){a._pack_next=b,b._pack_prev=a}function I(a,b){var c=b.x-a.x,d=b.y-a.y,e=a.r+b.r;return e*e-c*c-d*d>.001}function J(a){function l(a){b=Math.min(a.x-a.r,b),c=Math.max(a.x+a.r,c),d=Math.min(a.y-a.r,d),e=Math.max(a.y+a.r,e)}var b=Infinity,c=-Infinity,d=Infinity,e=-Infinity,f=a.length,g,h,i,j,k;a.forEach(K),g=a[0],g.x=-g.r,g.y=0,l(g);if(f>1){h=a[1],h.x=h.r,h.y=0,l(h);if(f>2){i=a[2],O(g,h,i),l(i),G(g,i),g._pack_prev=i,G(i,h),h=g._pack_next;for(var m=3;m<f;m++){O(g,h,i=a[m]);var n=0,o=1,p=1;for(j=h._pack_next;j!==h;j=j._pack_next,o++)if(I(j,i)){n=1;break}if(n==1)for(k=g._pack_prev;k!==j._pack_prev;k=k._pack_prev,p++)if(I(k,i)){p<o&&(n=-1,j=k);break}n==0?(G(g,i),h=i,l(i)):n>0?(H(g,j),h=j,m--):(H(j,h),g=j,m--)}}}var q=(b+c)/2,r=(d+e)/2,s=0;for(var m=0;m<f;m++){var t=a[m];t.x-=q,t.y-=r,s=Math.max(s,t.r+Math.sqrt(t.x*t.x+t.y*t.y))}return a.forEach(L),s}function K(a){a._pack_next=a._pack_prev=a}function L(a){delete a._pack_next,delete a._pack_prev}function M(a){var b=a.children;b&&b.length?(b.forEach(M),a.r=J(b)):a.r=Math.sqrt(a.value)}function N(a,b,c,d){var e=a.children;a.x=b+=d*a.x,a.y=c+=d*a.y,a.r*=d;if(e){var f=-1,g=e.length;while(++f<g)N(e[f],b,c,d)}}function O(a,b,c){var d=a.r+c.r,e=b.x-a.x,f=b.y-a.y;if(d&&(e||f)){var g=b.r+c.r,h=Math.sqrt(e*e+f*f),i=Math.max(-1,Math.min(1,(d*d+h*h-g*g)/(2*d*h))),j=Math.acos(i),k=i*(d/=h),l=Math.sin(j)*d;c.x=a.x+k*e+l*f,c.y=a.y+k*f-l*e}else c.x=a.x+d,c.y=a.y}function P(a){return 1+d3.max(a,function(a){return a.y})}function Q(a){return a.reduce(function(a,b){return a+b.x},0)/a.length}function R(a){var b=a.children;return b&&b.length?R(b[0]):a}function S(a){var b=a.children,c;return b&&(c=b.length)?S(b[c-1]):a}function T(a,b){return a.parent==b.parent?1:2}function U(a){var b=a.children;return b&&b.length?b[0]:a._tree.thread}function V(a){var b=a.children,c;return b&&(c=b.length)?b[c-1]:a._tree.thread}function W(a,b){var c=a.children;if(c&&(e=c.length)){var d,e,f=-1;while(++f<e)b(d=W(c[f],b),a)>0&&(a=d)}return a}function X(a,b){return a.x-b.x}function Y(a,b){return b.x-a.x}function Z(a,b){return a.depth-b.depth}function $(a,b){function c(a,d){var e=a.children;if(e&&(i=e.length)){var f,g=null,h=-1,i;while(++h<i)f=e[h],c(f,g),g=f}b(a,d)}c(a,null)}function _(a){var b=0,c=0,d=a.children,e=d.length,f;while(--e>=0)f=d[e]._tree,f.prelim+=b,f.mod+=b,b+=f.shift+(c+=f.change)}function ba(a,b,c){a=a._tree,b=b._tree;var d=c/(b.number-a.number);a.change+=d,b.change-=d,b.shift+=c,b.prelim+=c,b.mod+=c}function bb(a,b,c){return a._tree.ancestor.parent==b.parent?a._tree.ancestor:c}function bc(a){return{x:a.x,y:a.y,dx:a.dx,dy:a.dy}}function bd(a,b){var c=a.x+b[3],d=a.y+b[0],e=a.dx-b[1]-b[3],f=a.dy-b[0]-b[2];return e<0&&(c+=e/2,e=0),f<0&&(d+=f/2,f=0),{x:c,y:d,dx:e,dy:f}}d3.layout={},d3.layout.bundle=function(){return function(b){var c=[],d=-1,e=b.length;while(++d<e)c.push(a(b[d]));return c}},d3.layout.chord=function(){function j(){var a={},j=[],l=d3.range(e),m=[],n,o,p,q,r;b=[],c=[],n=0,q=-1;while(++q<e){o=0,r=-1;while(++r<e)o+=d[q][r];j.push(o),m.push(d3.range(e)),n+=o}g&&l.sort(function(a,b){return g(j[a],j[b])}),h&&m.forEach(function(a,b){a.sort(function(a,c){return h(d[b][a],d[b][c])})}),n=(2*Math.PI-f*e)/n,o=0,q=-1;while(++q<e){p=o,r=-1;while(++r<e){var s=l[q],t=m[s][r],u=d[s][t],v=o,w=o+=u*n;a[s+"-"+t]={index:s,subindex:t,startAngle:v,endAngle:w,value:u}}c.push({index:s,startAngle:p,endAngle:o,value:(o-p)/n}),o+=f}q=-1;while(++q<e){r=q-1;while(++r<e){var x=a[q+"-"+r],y=a[r+"-"+q];(x.value||y.value)&&b.push(x.value<y.value?{source:y,target:x}:{source:x,target:y})}}i&&k()}function k(){b.sort(function(a,b){return i((a.source.value+a.target.value)/2,(b.source.value+b.target.value)/2)})}var a={},b,c,d,e,f=0,g,h,i;return a.matrix=function(f){return arguments.length?(e=(d=f)&&d.length,b=c=null,a):d},a.padding=function(d){return arguments.length?(f=d,b=c=null,a):f},a.sortGroups=function(d){return arguments.length?(g=d,b=c=null,a):g},a.sortSubgroups=function(c){return arguments.length?(h=c,b=null,a):h},a.sortChords=function(c){return arguments.length?(i=c,b&&k(),a):i},a.chords=function(){return b||j(),b},a.groups=function(){return c||j(),c},a},d3.layout.force=function(){function A(a){return function(b,c,d,e,f){if(b.point!==a){var g=b.cx-a.x,h=b.cy-a.y,i=1/Math.sqrt(g*g+h*h);if((e-c)*i<t){var j=b.charge*i*i;return a.px-=g*j,a.py-=h*j,!0}if(b.point&&isFinite(i)){var j=b.pointCharge*i*i;a.px-=g*j,a.py-=h*j}}return!b.charge}}function B(){var a=v.length,d=w.length,e,f,g,h,i,j,l,m,p;for(f=0;f<d;++f){g=w[f],h=g.source,i=g.target,m=i.x-h.x,p=i.y-h.y;if(j=m*m+p*p)j=n*y[f]*((j=Math.sqrt(j))-x[f])/j,m*=j,p*=j,i.x-=m*(l=h.weight/(i.weight+h.weight)),i.y-=p*l,h.x+=m*(l=1-l),h.y+=p*l}if(l=n*s){m=c[0]/2,p=c[1]/2,f=-1;if(l)while(++f<a)g=v[f],g.x+=(m-g.x)*l,g.y+=(p-g.y)*l}if(r){k(e=d3.geom.quadtree(v),n,z),f=-1;while(++f<a)(g=v[f]).fixed||e.visit(A(g))}f=-1;while(++f<a)g=v[f],g.fixed?(g.x=g.px,g.y=g.py):(g.x-=(g.px-(g.px=g.x))*o,g.y-=(g.py-(g.py=g.y))*o);return b.tick({type:"tick",alpha:n}),(n*=.99)<.005}function C(b){g(f=b),e=a}var a={},b=d3.dispatch("tick"),c=[1,1],d,n,o=.9,p=l,q=m,r=-30,s=.1,t=.8,u,v=[],w=[],x,y,z;return a.on=function(c,d){return b.on(c,d),a},a.nodes=function(b){return arguments.length?(v=b,a):v},a.links=function(b){return arguments.length?(w=b,a):w},a.size=function(b){return arguments.length?(c=b,a):c},a.linkDistance=function(b){return arguments.length?(p=d3.functor(b),a):p},a.distance=a.linkDistance,a.linkStrength=function(b){return arguments.length?(q=d3.functor(b),a):q},a.friction=function(b){return arguments.length?(o=b,a):o},a.charge=function(b){return arguments.length?(r=typeof b=="function"?b:+b,a):r},a.gravity=function(b){return arguments.length?(s=b,a):s},a.theta=function(b){return arguments.length?(t=b,a):t},a.start=function(){function k(a,c){var d=l(b),e=-1,f=d.length,g;while(++e<f)if(!isNaN(g=d[e][a]))return g;return Math.random()*c}function l(){if(!i){i=[];for(d=0;d<e;++d)i[d]=[];for(d=0;d<f;++d){var a=w[d];i[a.source.index].push(a.target),i[a.target.index].push(a.source)}}return i[b]}var b,d,e=v.length,f=w.length,g=c[0],h=c[1],i,j;for(b=0;b<e;++b)(j=v[b]).index=b,j.weight=0;x=[],y=[];for(b=0;b<f;++b)j=w[b],typeof j.source=="number"&&(j.source=v[j.source]),typeof j.target=="number"&&(j.target=v[j.target]),x[b]=p.call(this,j,b),y[b]=q.call(this,j,b),++j.source.weight,++j.target.weight;for(b=0;b<e;++b)j=v[b],isNaN(j.x)&&(j.x=k("x",g)),isNaN(j.y)&&(j.y=k("y",h)),isNaN(j.px)&&(j.px=j.x),isNaN(j.py)&&(j.py=j.y);z=[];if(typeof r=="function")for(b=0;b<e;++b)z[b]=+r.call(this,v[b],b);else for(b=0;b<e;++b)z[b]=r;return a.resume()},a.resume=function(){return n=.1,d3.timer(B),a},a.stop=function(){return n=0,a},a.drag=function(){d||(d=d3.behavior.drag().on("dragstart",C).on("drag",j).on("dragend",i)),this.on("mouseover.force",g).on("mouseout.force",h).call(d)},a};var e,f;d3.layout.partition=function(){function c(a,b,d,e){var f=a.children;a.x=b,a.y=a.depth*e,a.dx=d,a.dy=e;if(f&&(h=f.length)){var g=-1,h,i,j;d=a.value?d/a.value:0;while(++g<h)c(i=f[g],b,j=i.value*d,e),b+=j}}function d(a){var b=a.children,c=0;if(b&&(f=b.length)){var e=-1,f;while(++e<f)c=Math.max(c,d(b[e]))}return 1+c}function e(e,f){var g=a.call(this,e,f);return c(g[0],0,b[0],b[1]/d(g[0])),g}var a=d3.layout.hierarchy(),b=[1,1];return e.size=function(a){return arguments.length?(b=a,e):b},z(e,a)},d3.layout.pie=function(){function f(g,h){var i=g.map(function(b,c){return+a.call(f,b,c)}),j=+(typeof c=="function"?c.apply(this,arguments):c),k=((typeof e=="function"?e.apply(this,arguments):e)-c)/d3.sum(i),l=d3.range(g.length);b!=null&&l.sort(b===n?function(a,b){return i[b]-i[a]}:function(a,c){return b(g[a],g[c])});var m=l.map(function(a){return{data:g[a],value:d=i[a],startAngle:j,endAngle:j+=d*k}});return g.map(function(a,b){return m[l[b]]})}var a=Number,b=n,c=0,e=2*Math.PI;return f.value=function(b){return arguments.length?(a=b,f):a},f.sort=function(a){return arguments.length?(b=a,f):b},f.startAngle=function(a){return arguments.length?(c=a,f):c},f.endAngle=function(a){return arguments.length?(e=a,f):e},f};var n={};d3.layout.stack=function(){function g(h,i){var j=h.map(function(b,c){return a.call(g,b,c)}),k=j.map(function(a,b){return a.map(function(a,b){return[e.call(g,a,b),f.call(g,a,b)]})}),l=b.call(g,k,i);j=d3.permute(j,l),k=d3.permute(k,l);var m=c.call(g,k,i),n=j.length,o=j[0].length,p,q,r;for(q=0;q<o;++q){d.call(g,j[0][q],r=m[q],k[0][q][1]);for(p=1;p<n;++p)d.call(g,j[p][q],r+=k[p-1][q][1],k[p][q][1])}return h}var a=Object,b=r["default"],c=s.zero,d=q,e=o,f=p;return g.values=function(b){return arguments.length?(a=b,g):a},g.order=function(a){return arguments.length?(b=typeof a=="function"?a:r[a],g):b},g.offset=function(a){return arguments.length?(c=typeof a=="function"?a:s[a],g):c},g.x=function(a){return arguments.length?(e=a,g):e},g.y=function(a){return arguments.length?(f=a,g):f},g.out=function(a){return arguments.length?(d=a,g):d},g};var r={"inside-out":function(a){var b=a.length,c,d,e=a.map(t),f=a.map(u),g=d3.range(b).sort(function(a,b){return e[a]-e[b]}),h=0,i=0,j=[],k=[];for(c=0;c<b;++c)d=g[c],h<i?(h+=f[d],j.push(d)):(i+=f[d],k.push(d));return k.reverse().concat(j)},reverse:function(a){return d3.range(a.length).reverse()},"default":function(a){return d3.range(a.length)}},s={silhouette:function(a){var b=a.length,c=a[0].length,d=[],e=0,f,g,h,i=[];for(g=0;g<c;++g){for(f=0,h=0;f<b;f++)h+=a[f][g][1];h>e&&(e=h),d.push(h)}for(g=0;g<c;++g)i[g]=(e-d[g])/2;return i},wiggle:function(a){var b=a.length,c=a[0],d=c.length,e=0,f,g,h,i,j,k,l,m,n,o=[];o[0]=m=n=0;for(g=1;g<d;++g){for(f=0,i=0;f<b;++f)i+=a[f][g][1];for(f=0,j=0,l=c[g][0]-c[g-1][0];f<b;++f){for(h=0,k=(a[f][g][1]-a[f][g-1][1])/(2*l);h<f;++h)k+=(a[h][g][1]-a[h][g-1][1])/l;j+=k*a[f][g][1]}o[g]=m-=i?j/i*l:0,m<n&&(n=m)}for(g=0;g<d;++g)o[g]-=n;return o},expand:function(a){var b=a.length,c=a[0].length,d=1/b,e,f,g,h=[];for(f=0;f<c;++f){for(e=0,g=0;e<b;e++)g+=a[e][f][1];if(g)for(e=0;e<b;e++)a[e][f][1]/=g;else for(e=0;e<b;e++)a[e][f][1]=d}for(f=0;f<c;++f)h[f]=0;return h},zero:function(a){var b=-1,c=a[0].length,d=[];while(++b<c)d[b]=0;return d}};d3.layout.histogram=function(){function e(e,f){var g=[],h=e.map(b,this),i=c.call(this,h,f),j=d.call(this,i,h,f),k,f=-1,l=h.length,m=j.length-1,n=a?1:1/l,o;while(++f<m)k=g[f]=[],k.dx=j[f+1]-(k.x=j[f]),k.y=0;f=-1;while(++f<l)o=h[f],o>=i[0]&&o<=i[1]&&(k=g[d3.bisect(j,o,1,m)-1],k.y+=n,k.push(e[f]));return g}var a=!0,b=Number,c=y,d=w;return e.value=function(a){return arguments.length?(b=a,e):b},e.range=function(a){return arguments.length?(c=d3.functor(a),e):c},e.bins=function(a){return arguments.length?(d=typeof a=="number"?function(b){return x(b,a)}:d3.functor(a),e):d},e.frequency=function(b){return arguments.length?(a=!!b,e):a},e},d3.layout.hierarchy=function(){function e(f,h,i){var j=b.call(g,f,h),k=E?f:{data:f};k.depth=h,i.push(k);if(j&&(m=j.length)){var l=-1,m,n=k.children=[],o=0,p=h+1;while(++l<m)d=e(j[l],p,i),d.parent=k,n.push(d),o+=d.value;a&&n.sort(a),c&&(k.value=o)}else c&&(k.value=+c.call(g,f,h)||0);return k}function f(a,b){var d=a.children,e=0;if(d&&(i=d.length)){var h=-1,i,j=b+1;while(++h<i)e+=f(d[h],j)}else c&&(e=+c.call(g,E?a:a.data,b)||0);return c&&(a.value=e),e}function g(a){var b=[];return e(a,0,b),b}var a=C,b=A,c=B;return g.sort=function(b){return arguments.length?(a=b,g):a},g.children=function(a){return arguments.length?(b=a,g):b},g.value=function(a){return arguments.length?(c=a,g):c},g.revalue=function(a){return f(a,0),a},g};var E=!1;d3.layout.pack=function(){function c(c,d){var e=a.call(this,c,d),f=e[0];f.x=0,f.y=0,M(f);var g=b[0],h=b[1],i=1/Math.max(2*f.r/g,2*f.r/h);return N(f,g/2,h/2,i),e}var a=d3.layout.hierarchy().sort(F),b=[1,1];return c.size=function(a){return arguments.length?(b=a,c):b},z(c,a)},d3.layout.cluster=function(){function d(d,e){var f=a.call(this,d,e),g=f[0],h,i=0,j,k;$(g,function(a){var c=a.children;c&&c.length?(a.x=Q(c),a.y=P(c)):(a.x=h?i+=b(a,h):0,a.y=0,h=a)});var l=R(g),m=S(g),n=l.x-b(l,m)/2,o=m.x+b(m,l)/2;return $(g,function(a){a.x=(a.x-n)/(o-n)*c[0],a.y=(1-a.y/g.y)*c[1]}),f}var a=d3.layout.hierarchy().sort(null).value(null),b=T,c=[1,1];return d.separation=function(a){return arguments.length?(b=a,d):b},d.size=function(a){return arguments.length?(c=a,d):c},z(d,a)},d3.layout.tree=function(){function d(d,e){function h(a,c){var d=a.children,e=a._tree;if(d&&(f=d.length)){var f,g=d[0],i,k=g,l,m=-1;while(++m<f)l=d[m],h(l,i),k=j(l,i,k),i=l;_(a);var n=.5*(g._tree.prelim+l._tree.prelim);c?(e.prelim=c._tree.prelim+b(a,c),e.mod=e.prelim-n):e.prelim=n}else c&&(e.prelim=c._tree.prelim+b(a,c))}function i(a,b){a.x=a._tree.prelim+b;var c=a.children;if(c&&(e=c.length)){var d=-1,e;b+=a._tree.mod;while(++d<e)i(c[d],b)}}function j(a,c,d){if(c){var e=a,f=a,g=c,h=a.parent.children[0],i=e._tree.mod,j=f._tree.mod,k=g._tree.mod,l=h._tree.mod,m;while(g=V(g),e=U(e),g&&e)h=U(h),f=V(f),f._tree.ancestor=a,m=g._tree.prelim+k-e._tree.prelim-i+b(g,e),m>0&&(ba(bb(g,a,d),a,m),i+=m,j+=m),k+=g._tree.mod,i+=e._tree.mod,l+=h._tree.mod,j+=f._tree.mod;g&&!V(f)&&(f._tree.thread=g,f._tree.mod+=k-j),e&&!U(h)&&(h._tree.thread=e,h._tree.mod+=i-l,d=a)}return d}var f=a.call(this,d,e),g=f[0];$(g,function(a,b){a._tree={ancestor:a,prelim:0,mod:0,change:0,shift:0,number:b?b._tree.number+1:0}}),h(g),i(g,-g._tree.prelim);var k=W(g,Y),l=W(g,X),m=W(g,Z),n=k.x-b(k,l)/2,o=l.x+b(l,k)/2,p=m.depth||1;return $(g,function(a){a.x=(a.x-n)/(o-n)*c[0],a.y=a.depth/p*c[1],delete a._tree}),f}var a=d3.layout.hierarchy().sort(null).value(null),b=T,c=[1,1];return d.separation=function(a){return arguments.length?(b=a,d):b},d.size=function(a){return arguments.length?(c=a,d):c},z(d,a)},d3.layout.treemap=function(){function i(a,b){var c=-1,d=a.length,e,f;while(++c<d)f=(e=a[c]).value*(b<0?0:b),e.area=isNaN(f)||f<=0?0:f}function j(a){var b=a.children;if(b&&b.length){var c=e(a),d=[],f=b.slice(),g,h=Infinity,k,n=Math.min(c.dx,c.dy),o;i(f,c.dx*c.dy/a.value),d.area=0;while((o=f.length)>0)d.push(g=f[o-1]),d.area+=g.area,(k=l(d,n))<=h?(f.pop(),h=k):(d.area-=d.pop().area,m(d,n,c,!1),n=Math.min(c.dx,c.dy),d.length=d.area=0,h=Infinity);d.length&&(m(d,n,c,!0),d.length=d.area=0),b.forEach(j)}}function k(a){var b=a.children;if(b&&b.length){var c=e(a),d=b.slice(),f,g=[];i(d,c.dx*c.dy/a.value),g.area=0;while(f=d.pop())g.push(f),g.area+=f.area,f.z!=null&&(m(g,f.z?c.dx:c.dy,c,!d.length),g.length=g.area=0);b.forEach(k)}}function l(a,b){var c=a.area,d,e=0,f=Infinity,g=-1,i=a.length;while(++g<i){if(!(d=a[g].area))continue;d<f&&(f=d),d>e&&(e=d)}return c*=c,b*=b,c?Math.max(b*e*h/c,c/(b*f*h)):Infinity}function m(a,c,d,e){var f=-1,g=a.length,h=d.x,i=d.y,j=c?b(a.area/c):0,k;if(c==d.dx){if(e||j>d.dy)j=j?d.dy:0;while(++f<g)k=a[f],k.x=h,k.y=i,k.dy=j,h+=k.dx=j?b(k.area/j):0;k.z=!0,k.dx+=d.x+d.dx-h,d.y+=j,d.dy-=j}else{if(e||j>d.dx)j=j?d.dx:0;while(++f<g)k=a[f],k.x=h,k.y=i,k.dx=j,i+=k.dy=j?b(k.area/j):0;k.z=!1,k.dy+=d.y+d.dy-i,d.x+=j,d.dx-=j}}function n(b){var d=g||a(b),e=d[0];return e.x=0,e.y=0,e.dx=c[0],e.dy=c[1],g&&a.revalue(e),i([e],e.dx*e.dy/e.value),(g?k:j)(e),f&&(g=d),d}var a=d3.layout.hierarchy(),b=Math.round,c=[1,1],d=null,e=bc,f=!1,g,h=.5*(1+Math.sqrt(5));return n.size=function(a){return arguments.length?(c=a,n):c},n.padding=function(a){function b(b){var c=a.call(n,b,b.depth);return c==null?bc(b):bd(b,typeof c=="number"?[c,c,c,c]:c)}function c(b){return bd(b,a)}if(!arguments.length)return d;var f;return e=(d=a)==null?bc:(f=typeof a)==="function"?b:f==="number"?(a=[a,a,a,a],c):c,n},n.round=function(a){return arguments.length?(b=a?Math.round:Number,n):b!=Number},n.sticky=function(a){return arguments.length?(f=a,g=null,n):f},n.ratio=function(a){return arguments.length?(h=a,n):h},z(n,a)}})();

--- a/ckanext/ga_report/public/scripts/vendor/d3.v2.js
+++ b/ckanext/ga_report/public/scripts/vendor/d3.v2.js
@@ -1,4 +1,4 @@
-if (Modernizr.svg){(function() {
+(function() {
   function d3_class(ctor, properties) {
     try {
       for (var key in properties) {
@@ -7023,5 +7023,4 @@
   d3.time.scale.utc = function() {
     return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
   };
-})();}
-
+})();

--- a/ckanext/ga_report/public/scripts/vendor/rickshaw.min.js
+++ b/ckanext/ga_report/public/scripts/vendor/rickshaw.min.js
@@ -1,5 +1,2 @@
-if (Modernizr.svg){
 var Rickshaw={namespace:function(a,b){var c=a.split("."),d=Rickshaw;for(var e=1,f=c.length;e<f;e++)currentPart=c[e],d[currentPart]=d[currentPart]||{},d=d[currentPart];return d},keys:function(a){var b=[];for(var c in a)b.push(c);return b},extend:function(a,b){for(var c in b)a[c]=b[c];return a}};if(typeof module!="undefined"&&module.exports){var d3=require("d3");module.exports=Rickshaw}(function(a){function j(a){return b.call(a)===i}function k(a,b){for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a}function l(a){if(m(a)!==h)throw new TypeError;var b=[];for(var c in a)a.hasOwnProperty(c)&&b.push(c);return b}function m(a){switch(a){case null:return c;case void 0:return d}var b=typeof a;switch(b){case"boolean":return e;case"number":return f;case"string":return g}return h}function n(a){return typeof a=="undefined"}function p(a){var b=a.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1].replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g,"").replace(/\s+/g,"").split(",");return b.length==1&&!b[0]?[]:b}function q(a,b){var c=a;return function(){var a=r([t(c,this)],arguments);return b.apply(this,a)}}function r(a,b){var c=a.length,d=b.length;while(d--)a[c+d]=b[d];return a}function s(a,b){return a=o.call(a,0),r(a,b)}function t(a,b){if(arguments.length<2&&n(arguments[0]))return this;var c=a,d=o.call(arguments,2);return function(){var a=s(d,arguments);return c.apply(b,a)}}var b=Object.prototype.toString,c="Null",d="Undefined",e="Boolean",f="Number",g="String",h="Object",i="[object Function]",o=Array.prototype.slice,u=function(){},v=function(){function b(){}function c(){function d(){this.initialize.apply(this,arguments)}var a=null,c=[].slice.apply(arguments);j(c[0])&&(a=c.shift()),k(d,v.Methods),d.superclass=a,d.subclasses=[];if(a){b.prototype=a.prototype,d.prototype=new b;try{a.subclasses.push(d)}catch(e){}}for(var f=0,g=c.length;f<g;f++)d.addMethods(c[f]);return d.prototype.initialize||(d.prototype.initialize=u),d.prototype.constructor=d,d}function d(b){var c=this.superclass&&this.superclass.prototype,d=l(b);a&&(b.toString!=Object.prototype.toString&&d.push("toString"),b.valueOf!=Object.prototype.valueOf&&d.push("valueOf"));for(var e=0,f=d.length;e<f;e++){var g=d[e],h=b[g];if(c&&j(h)&&p(h)[0]=="$super"){var i=h;h=q(function(a){return function(){return c[a].apply(this,arguments)}}(g),i),h.valueOf=t(i.valueOf,i),h.toString=t(i.toString,i)}this.prototype[g]=h}return this}var a=function(){for(var a in{toString:1})if(a==="toString")return!1;return!0}();return{create:c,Methods:{addMethods:d}}}();a.exports?a.exports.Class=v:a.Class=v})(Rickshaw),Rickshaw.namespace("Rickshaw.Compat.ClassList"),Rickshaw.Compat.ClassList=function(){typeof document!="undefined"&&!("classList"in document.createElement("a"))&&function(a){"use strict";var b="classList",c="prototype",d=(a.HTMLElement||a.Element)[c],e=Object,f=String[c].trim||function(){return this.replace(/^\s+|\s+$/g,"")},g=Array[c].indexOf||function(a){var b=0,c=this.length;for(;b<c;b++)if(b in this&&this[b]===a)return b;return-1},h=function(a,b){this.name=a,this.code=DOMException[a],this.message=b},i=function(a,b){if(b==="")throw new h("SYNTAX_ERR","An invalid or illegal string was specified");if(/\s/.test(b))throw new h("INVALID_CHARACTER_ERR","String contains an invalid character");return g.call(a,b)},j=function(a){var b=f.call(a.className),c=b?b.split(/\s+/):[],d=0,e=c.length;for(;d<e;d++)this.push(c[d]);this._updateClassName=function(){a.className=this.toString()}},k=j[c]=[],l=function(){return new j(this)};h[c]=Error[c],k.item=function(a){return this[a]||null},k.contains=function(a){return a+="",i(this,a)!==-1},k.add=function(a){a+="",i(this,a)===-1&&(this.push(a),this._updateClassName())},k.remove=function(a){a+="";var b=i(this,a);b!==-1&&(this.splice(b,1),this._updateClassName())},k.toggle=function(a){a+="",i(this,a)===-1?this.add(a):this.remove(a)},k.toString=function(){return this.join(" ")};if(e.defineProperty){var m={get:l,enumerable:!0,configurable:!0};try{e.defineProperty(d,b,m)}catch(n){n.number===-2146823252&&(m.enumerable=!1,e.defineProperty(d,b,m))}}else e[c].__defineGetter__&&d.__defineGetter__(b,l)}(window)},(typeof RICKSHAW_NO_COMPAT!="undefined"&&!RICKSHAW_NO_COMPAT||typeof RICKSHAW_NO_COMPAT=="undefined")&&new Rickshaw.Compat.ClassList,Rickshaw.namespace("Rickshaw.Graph"),Rickshaw.Graph=function(a){this.element=a.element,this.series=a.series,this.defaults={interpolation:"cardinal",offset:"zero",min:undefined,max:undefined},Rickshaw.keys(this.defaults).forEach(function(b){this[b]=a[b]||this.defaults[b]},this),this.window={},this.updateCallbacks=[];var b=this;this.initialize=function(a){this.validateSeries(a.series),this.series.active=function(){return b.series.filter(function(a){return!a.disabled})},this.setSize({width:a.width,height:a.height}),this.element.classList.add("rickshaw_graph"),this.vis=d3.select(this.element).append("svg:svg").attr("width",this.width).attr("height",this.height);var c=[Rickshaw.Graph.Renderer.Stack,Rickshaw.Graph.Renderer.Line,Rickshaw.Graph.Renderer.Bar,Rickshaw.Graph.Renderer.Area,Rickshaw.Graph.Renderer.ScatterPlot];c.forEach(function(a){if(!a)return;b.registerRenderer(new a({graph:b}))}),this.setRenderer(a.renderer||"stack",a),this.discoverRange()},this.validateSeries=function(a){if(!(a instanceof Array||a instanceof Rickshaw.Series)){var b=Object.prototype.toString.apply(a);throw"series is not an array: "+b}var c;a.forEach(function(a){if(!(a instanceof Object))throw"series element is not an object: "+a;if(!a.data)throw"series has no data: "+JSON.stringify(a);if(!(a.data instanceof Array))throw"series data is not an array: "+JSON.stringify(a.data);c=c||a.data.length;if(c&&a.data.length!=c)throw"series cannot have differing numbers of points: "+c+" vs "+a.data.length+"; see Rickshaw.Series.zeroFill()";var b=typeof a.data[0].x,d=typeof a.data[0].y;if(b!="number"||d!="number")throw"x and y properties of points should be numbers instead of "+b+" and "+d})},this.dataDomain=function(){var a=this.series[0].data;return[a[0].x,a.slice(-1).shift().x]},this.discoverRange=function(){var a=this.renderer.domain();this.x=d3.scale.linear().domain(a.x).range([0,this.width]),this.y=d3.scale.linear().domain(a.y).range([this.height,0]),this.y.magnitude=d3.scale.linear().domain([a.y[0]-a.y[0],a.y[1]-a.y[0]]).range([0,this.height])},this.render=function(){var a=this.stackData();this.discoverRange(),this.renderer.render(),this.updateCallbacks.forEach(function(a){a()})},this.update=this.render,this.stackData=function(){var a=this.series.active().map(function(a){return a.data}).map(function(a){return a.filter(function(a){return this._slice(a)},this)},this);this.stackData.hooks.data.forEach(function(c){a=c.f.apply(b,[a])});var c=d3.layout.stack();c.offset(b.offset);var d=c(a);this.stackData.hooks.after.forEach(function(c){d=c.f.apply(b,[a])});var e=0;return this.series.forEach(function(a){if(a.disabled)return;a.stack=d[e++]}),this.stackedData=d,d},this.stackData.hooks={data:[],after:[]},this._slice=function(a){if(this.window.xMin||this.window.xMax){var b=!0;return this.window.xMin&&a.x<this.window.xMin&&(b=!1),this.window.xMax&&a.x>this.window.xMax&&(b=!1),b}return!0},this.onUpdate=function(a){this.updateCallbacks.push(a)},this.registerRenderer=function(a){this._renderers=this._renderers||{},this._renderers[a.name]=a},this.configure=function(a){(a.width||a.height)&&this.setSize(a),Rickshaw.keys(this.defaults).forEach(function(b){this[b]=b in a?a[b]:b in this?this[b]:this.defaults[b]},this),this.setRenderer(a.renderer||this.renderer.name,a)},this.setRenderer=function(a,b){if(!this._renderers[a])throw"couldn't find renderer "+a;this.renderer=this._renderers[a],typeof b=="object"&&this.renderer.configure(b)},this.setSize=function(a){a=a||{};