var ie6 = (navigator.userAgent.toLowerCase().indexOf("msie 6") != -1) ? true : false;
		var mac = (navigator.userAgent.toLowerCase().indexOf("mac") != -1) ? true : false;
		var pho = (navigator.userAgent.toLowerCase().indexOf("phoenix") != -1) ? true : false;
		var ie = (navigator.userAgent.toLowerCase().indexOf("msie") != -1) ? true : false;
		var ie55 = (ie && (navigator.userAgent.toLowerCase().indexOf("5.5") != -1)) ? true : false;
		var moz = (navigator.appName == "Mozilla" || (navigator.appName == "Netscape" && navigator.appVersion.indexOf("4.") == -1)) ? true : false;
		function showAlphaImage(argSrc,argWidth,argHeight,argClass,argId,argAlt)
		{
			if(ie)
			{
				var IE_HTML="<div class=\"" + argClass + "\" id=\"" + argId + "\" style=\"filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + argSrc + ".png', sizingMethod='scale'); width:" + argWidth + "px;height:" + argHeight + "px;\"></div>";
				document.write(IE_HTML)
			}
			else if(moz)
			{
				var Moz_HTML="<img src=\"" + argSrc + ".png\" class=\"" + argClass + "\" alt=\"" + argAlt + "\" />";
				document.write(Moz_HTML)
			}
			else
			{
				var others_HTML="<img src=\"" + argSrc + ".gif\" class=\"" + argClass + "\" alt=\"" + argAlt + "\" />";
				document.write(others_HTML)
			}
		}