function setPng(img, w, h) {
	ua = window.navigator.userAgent.toLowerCase();
	if(!/msie/.test(ua))
		return;
	imgStyle = "display:inline-block;" + img.style.cssText;
	strNewHTML = "<span style=\"width:" + w + "px; height:" + h + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src + "', sizingMethod='scale');\"></span>";
	img.outerHTML = strNewHTML;
}