function setPNG24(obj) { 
	obj.width=obj.height=1; 
	obj.className=obj.className.replace(/\bPNG24\b/i,''); 
	obj.style.filter = 
	"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" 
	obj.src=''; 
	return ''; 
}