if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
    document.writeln('<style type="text/css">img { visibility:hidden; } </style>');
    window.attachEvent("onload", fnLoadPngs);
}

function fnLoadPngs() 
{
    var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
    var itsAllGood = (rslt != null && (Number(rslt[1]) >= 5.5 && Number(rslt[1]) <= 6.5));

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			var src = img.src;
			img.style.width = img.width + "px";
			img.style.height = img.height + "px";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
			img.src = "../images/layout/spacer.gif";
		}
	    img.style.visibility = "visible";
	}
}