/**
+	Universal transparent-PNG enabler for MSIE/Win 5.5+
+	http://dsandler.org
+	From original code: http://www.youngpup.net/?request=/snippets/sleight.xml
+	and background-image code: http://www.allinthehead.com/retro/69
+	also:
+	* use sizingMethod=crop to avoid scaling PNGs (who would do such a thing?)
+	* only do this once, to make it compatible with CSS rollovers
*/
if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
	window.attachEvent("onload", enableAlphaImages);
}

function enableAlphaImages(){
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
	if (itsAllGood) {
		for (var i = 0; i < document.all.length; i++){
			var obj = document.all[i];
			var bg = obj.currentStyle.backgroundImage;
			var img = document.images[i];
			if (bg && bg.match(/\.png/i) != null) {
				var img = bg.substring(5,bg.length-2);
				var offset = obj.style["background-position"];
				obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+img+"', sizingMethod='scale')";
				obj.style.backgroundImage = "url('/images/blank.gif')";
				obj.style["background-position"] = offset; // reapply
				//alert("yo:" + obj.id + "\n" + obj.childNodes.length);
				//absoluteA(obj, 0);				
			}
			else if (img && 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='crop')"
				img.src = "/images/blank.gif";
			}
		}
	}
}