Event.observe(window, 'load', function(){
	document.getElementsByClassName('ie-fix-opacity').each(function(poElement){
		// if IE5.5+ on win32, then display PNGs with AlphaImageLoader
		if ((browser.isIE55 || browser.isIE6up) && browser.isWin32){
			var cImage = poElement.currentStyle.backgroundImage.substring(poElement.currentStyle.backgroundImage.indexOf('"') + 1, poElement.currentStyle.backgroundImage.lastIndexOf('"'));
			
			poElement.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + cImage + "', sizingMethod='scale')";
			poElement.style.backgroundImage = "none";
		}
	});
}, false);