png magic for IE

gistfile1.txt

Element.addMethods({
  pngFix: function(el) {

	var el = $(el);
	if (!(Prototype.Browser.IE && el.match('img') && el.src.include('png'))) return el;

	var src  = el.src;
	var style = {height: el.height, width: el.width}
	var filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+src+'",sizingMethod="scale")';
	el.src = '/images/pixel.gif';
	el.setStyle(style);
	el.runtimeStyle.filter = filter;

	return el;
  }
});