remove local scope variables from global namespace. (closes #1674)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7711 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer/Elements.js

@@ -446,7 +446,7 @@ OpenLayers.Renderer.Elements = OpenLayers.Class(OpenLayers.Renderer, {
         if (style.display != "none") {
             this.redrawNode(geometry.id, geometry, style, featureId); 
         } else {
-            node = OpenLayers.Util.getElement(geometry.id);
+            var node = OpenLayers.Util.getElement(geometry.id);
             if (node) {
                 node.parentNode.removeChild(node);
             }