Changed around the order of arguments for createImage, createDiv, and createAlphaImage. bubbled out helper function OpenLayers.Util.modifyDOMElement() to handle common mods. Official order now is: id, px, sz, imgURL, position, border[, overflow]

git-svn-id: http://svn.openlayers.org/trunk/openlayers@384 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Popup.js

@@ -88,10 +88,8 @@ OpenLayers.Popup.prototype = {
         }
         
         if (this.div == null) {
-            this.div = OpenLayers.Util.createDiv(this.id + "_div",
-                                                  null,
-                                                  null,
-                                                  "hidden");
+            this.div = OpenLayers.Util.createDiv(this.id + "_div", null, null, 
+                                                 null, null, null, "hidden");
         }
         this.setSize();
         this.setBackgroundColor();