diff --git a/lib/OpenLayers/Util.js b/lib/OpenLayers/Util.js
index b686d5ca41..949e05b227 100644
--- a/lib/OpenLayers/Util.js
+++ b/lib/OpenLayers/Util.js
@@ -687,7 +687,7 @@ OpenLayers.Util.createAlphaImageDiv = function(imgURL, sz, px, position,
 
     var div = OpenLayers.Util.createDiv(id, px, sz);
     var img = OpenLayers.Util.createImage(imgURL, sz, null, "relative",
-                                               id + "innerImage", border);
+                                               id + "_innerImage", border);
     div.appendChild(img);
 
         
@@ -703,8 +703,6 @@ OpenLayers.Util.createAlphaImageDiv = function(imgURL, sz, px, position,
                                  ".AlphaImageLoader(src='" + imgURL + "')";
         img.style.filter = "progid:DXImageTransform.Microsoft" +
                                 ".Alpha(opacity=0)";
-        img.width = img.style.width;
-        img.height = img.style.height;
     }
 
     return div;