// png képek átalakítása Internet Explorer számára
alphaFixIE = function(){ 
	var s, i, j; // IMG
	var els = document.getElementsByTagName("IMG");
	for (i=0; i<els.length; i++) { 
		s = els[i].src;
		if (s.toLowerCase().indexOf(".png") != -1) {
			els[i].src = "/img/pngfixie.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='scale');";
			}
		}
	}
}

if(navigator.appName == "Microsoft Internet Explorer")
	window.attachEvent("onload", alphaFixIE);