function checkPNGImages(){
	try{
	var imColl = document.getElementsByTagName('img');
	for(var i = 0; i < imColl.length; i++){
		var img = imColl[i];
		if(img.className == 'png'){
			enableAlphaImages(img);
		}
	}
	}catch(e){}
}

function enableAlphaImages(img){
		var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
		var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
		isDOM = document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
		isOpera = isOpera5 = window.opera && isDOM //Opera 5+
		isMSIE = document.all && document.all.item && !isOpera //Microsoft Internet Explorer 4+
		isMSIE5 = isDOM && isMSIE //MSIE 5+
		if(!rslt){
			return;
		}
		//var img = document.images[name];
		//img_name = img.src;
		/*
		isDOM = document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
		isOpera = isOpera5 = window.opera && isDOM //Opera 5+
		isMSIE = document.all && document.all.item && !isOpera //Microsoft Internet Explorer 4+
		isMSIE5 = isDOM && isMSIE //MSIE 5+
		*/
		if (isMSIE5)
		{
			img_name = img.src;
			img.src			 = "http://dizzain.com/_images/null.gif";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img_name + "', sizingMethod='crop')";

		}
	}