<public:component>
<public:attach event="onpropertychange" onevent="propertyChanged()" />
<script>
var supported = /MSIE (5\.5)|6/.test(navigator.userAgent) && navigator.platform == "Win32";
var realSrc;
var blankSrc = "blank.gif";
if(supported) fixImage();
function propertyChanged()
{
   if(!supported) return;
   var pName = event.propertyName;
   if(pName != "src") return;
   if(!new RegExp(blankSrc).test(src)) fixImage();
};
function fixImage()
{
   var src = element.src;
   if(src == realSrc)
	 {
      element.src = blankSrc;
      return;
   }
   if(!new RegExp(blankSrc).test(src)) realSrc = src;
   if(/\.png$/.test(realSrc.toLowerCase()))
	 {
      element.src = blankSrc;
      element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
   }
   else element.runtimeStyle.filter = "";
}
</script>
</public:component>