$(window).load(function(){ // after all the images are loaded
	if ($.browser.msie && parseInt($.browser.version.substr(0, 1)) < 7) { // ie6 or 5
		$("img.png").each(function(){
			$(this).css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + $(this).attr('src') + "', sizingMethod='scale')").attr("src", "media/images/layout/blank.gif");
		});
		$("div.png").each(function(){
			var bg = $(this).css("backgroundImage");
			bg.match(/^url[("']+(.*\.png)[)"']+$/i);
			bg = RegExp.$1;
			$(this).css("filter", "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + bg + "', sizingMethod='crop')").css("backgroundImage", "none");
		});
	}
});