removing unused method. Non-functional change, see #2824

git-svn-id: http://svn.openlayers.org/trunk/openlayers@10768 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Tile/Image/IFrame.js

@@ -122,31 +122,6 @@ OpenLayers.Tile.Image.IFrame = {
         }
     },
 
-    /**
-     * Method: createImgDiv
-     * Creates a div with iframe.and eventPane
-     *
-     * Returns:
-     * {DOMElement}
-     */
-    createImgDiv: function() {
-        var eventPane = document.createElement("div");
-
-        if(OpenLayers.Util.getBrowserName() == "msie") {
-            // IE cannot handle events on elements without backgroundcolor. So we
-            // use this little hack to make elements transparent
-            eventPane.style.backgroundColor = '#FFFFFF';
-            eventPane.style.filter          = 'chroma(color=#FFFFFF)';
-        }
-
-        OpenLayers.Util.modifyDOMElement(eventPane, null,
-            new OpenLayers.Pixel(0,0), this.layer.getImageSize(), "absolute");
-
-        var imgDiv = document.createElement("div");
-        imgDiv.appendChild(eventPane);
-        return imgDiv;
-    },
-
     /**
      * Method: createIFrame
      * Create the IFrame which shows the image.