function ChangeImage(element){
		var src;
		
		if (element.tagName=='IMG'){
			if (/\.png$/.test(element.src)){
				src = element.src;
				element.src = "/blank.gif";
			}
		}
		else {
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src) {
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}
		
		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
}