Bug fix to map.updateSize for IE when size is a percentage. Calls Element.getDimensions from Prototype.js, which hopefully is the right thing to do. Fixes ticket #37.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@638 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Map.js

@@ -258,8 +258,9 @@ OpenLayers.Map.prototype = {
         this.events.div.offsets = null;
         // Workaround for the fact that hidden elements return 0 for size.
         if (this.size.w == 0 && this.size.h == 0) {
-            this.size.w = parseInt(this.div.style.width);
-            this.size.h = parseInt(this.div.style.height);
+            var dim = Element.getDimensions(this.div);
+            this.size.w = dim.width;
+            this.size.h = dim.height;
         }
     },
     /**