//como ves... es una funcion...
function fixPNG(){
	for(var i=0; i<document.images.length; i++){
		var img = document.images[i];
		var imgName = img.src.toUpperCase();
		
		if (imgName.substring(imgName.length-3, imgName.length) == "PNG"){
			var imgID = (img.id) ? "id='" + img.id + "' " : "";
			var imgClass = (img.className) ? "class='" + img.className + "' " : "";
			var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
			var imgStyle = "display:inline-block;" + img.style.cssText;
			
			if (img.align == "left") imgStyle = "float:left;" + imgStyle;
			if (img.align == "right") imgStyle = "float:right;" + imgStyle;
			if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
			
			var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
			
			img.outerHTML = strNewHTML;
			i = i-1;
		}//end if imgName
	}//end for loop
}//end function fixPNG()

window.attachEvent("onload", fixPNG);