function loadPng(){	
	version=0;
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		temp=navigator.appVersion.split("MSIE");
		version=parseFloat(temp[1]);
	}
	if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && version<=6 && window.attachEvent) {
		fnLoadPngs();
	}
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

function fnLoadPngs() {
	
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
	
	for (var i = document.all.length - 1, obj = null; (obj = document.all[i]); i--) {
		
		if (itsAllGood && obj.currentStyle.backgroundImage.match(/\.png/i) != null) {
			fnFixPng(obj);
			//alert(obj.currentStyle.backgroundImage);
			obj.attachEvent("onpropertychange", fnPropertyChanged);
		}
	}
}

function fnPropertyChanged() {
	if (window.event.propertyName == "style.backgroundImage") {
		var el = window.event.srcElement;
		if (!el.currentStyle.backgroundImage.match(/x\.gif/i)) {
			var bg	= el.currentStyle.backgroundImage;
			var src = bg.substring(5,bg.length-2);
			el.filters.item(0).src = src;
			el.style.backgroundImage = "url(x.gif)";
		}
	}
}

function fnFixPng(obj) {
	var bg	= obj.currentStyle.backgroundImage;
	var src = bg.substring(5,bg.length-2);
	obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='image')";
	obj.style.backgroundImage = "url(graphics/x.gif)";
}