function flt(uid) {
	s = '';
	var obj = document.getElementById(uid);
	var src = obj.src;
	if (src.substr(src.length-3) == 'png') {
		obj.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+src+'\', sizingMethod=\'scale\')';
		if(!obj.tempimage) obj.tempimage=obj.src;
		obj.src = 's.gif';
	}
	return obj.width;
}