diff --git a/polymaps.js b/polymaps.js
index 9dc2c70..d2d7806 100644
--- a/polymaps.js
+++ b/polymaps.js
@@ -1,4 +1,4 @@
-if (!org) var org = {};
+if (!window.org) window.org = {};
 if (!org.polymaps) org.polymaps = {};
 (function(po){
 
diff --git a/polymaps.min.js b/polymaps.min.js
index 491a031..aeebb4a 100644
--- a/polymaps.min.js
+++ b/polymaps.min.js
@@ -1,4 +1,4 @@
-if(!org)var org={};if(!org.polymaps)org.polymaps={};
+if(!window.org)window.org={};if(!org.polymaps)org.polymaps={};
 (function(r){function ea(d){var h=d.indexOf(":");return h<0?d:{space:r.ns[d.substring(0,h)],local:d.substring(h+1)}}function R(){for(var d=0;d<R.maps.length;d++)R.maps[d].resize()}function V(d){return 360/Math.PI*Math.atan(Math.exp(d*Math.PI/180))-90}function W(d){return 180/Math.PI*Math.log(Math.tan(Math.PI/4+d*Math.PI/360))}function Z(d,h){if(d.row>h.row){var a=d;d=h;h=a}return{x0:d.column,y0:d.row,x1:h.column,y1:h.row,dx:h.column-d.column,dy:h.row-d.row}}function ba(d,h,a,m,e){a=Math.max(a,Math.floor(h.y0));
 m=Math.min(m,Math.ceil(h.y1));if(d.x0==h.x0&&d.y0==h.y0?d.x0+h.dy/d.dy*d.dx<h.x1:d.x1-h.dy/d.dy*d.dx<h.x0){var c=d;d=h;h=c}c=d.dx/d.dy;var g=h.dx/h.dy,k=d.dx>0,t=h.dx<0;for(a=a;a<m;a++){var n=c*Math.max(0,Math.min(d.dy,a+k-d.y0))+d.x0;e(Math.floor(g*Math.max(0,Math.min(h.dy,a+t-h.y0))+h.x0),Math.ceil(n),a)}}function ca(d,h,a,m,e,c){var g=Z(d,h);h=Z(h,a);d=Z(a,d);if(g.dy>h.dy){a=g;g=h;h=a}if(g.dy>d.dy){a=g;g=d;d=a}if(h.dy>d.dy){a=h;h=d;d=a}g.dy&&ba(d,g,m,e,c);h.dy&&ba(d,h,m,e,c)}r.version="2.5.0";
 var Y={x:0,y:0};r.ns={svg:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink"};r.id=function(){var d=0;return function(){return++d}}();r.svg=function(d){return document.createElementNS(r.ns.svg,d)};r.transform=function(d,h,a,m,e,c){var g={},k,t,n;if(!arguments.length){d=1;h=e=a=0;m=1;c=0}g.zoomFraction=function(l){if(!arguments.length)return t;t=l;k=Math.floor(t+Math.log(Math.sqrt(d*d+h*h+a*a+m*m))/Math.LN2);n=Math.pow(2,-k);return g};g.apply=function(l){var i=Math.pow(2,-l.zoom),q=
diff --git a/src/start.js b/src/start.js
index 06d4dfb..03a06ba 100644
--- a/src/start.js
+++ b/src/start.js
@@ -1,4 +1,4 @@
-if (!org) var org = {};
+if (!window.org) window.org = {};
 if (!org.polymaps) org.polymaps = {};
 (function(po){