function alphaImages() {
	var els = document.getElementsByTagName("IMG");
	var s, w, h;
	for (var i=0; i<els.length; i++) {
		s = els[i].src;
		if (s.toLowerCase().indexOf(".png") != -1) {
			els[i].src = "../blank.gif";
			els[i].style.filter += "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + s + "', sizingMethod=image);";
		}
	}
	// CSS: background
	for (i=0; i<document.styleSheets.length; i++) { 
		var pos = document.styleSheets[i].href.lastIndexOf("/"); 
		var cssDir = (pos != -1) ? document.styleSheets[i].href.substring(0, pos + 1) : ""; 
		for (j=0; j<document.styleSheets[i].rules.length; j++) { 
				var style = document.styleSheets[i].rules[j].style; 
				if (style.backgroundImage.toLowerCase().indexOf(".png") != -1) { 
						var filename = style.backgroundImage.substring(4, style.backgroundImage.length - 1); 
						if (filename.indexOf("http://") != 0 && filename.indexOf("/") != 0) filename = cssDir + filename; 
						style.backgroundImage = "none"; 
						style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + filename + "', sizingMethod='crop');"; 
				} 
			} 
		} 
	
}

if (navigator.userAgent.indexOf("MSIE") != -1 && navigator.userAgent.indexOf("Windows") != -1)
	window.attachEvent("onload", alphaImages);