var Util = new Object();

Util.setImgWH = function (img, imgW, imgH) {
	var imgObj = new Image();
	imgObj.src = img.src;
	if (imgObj.width != 0 && imgObj.height != 0) {
		if (imgObj.width >= imgW || imgObj.height >= imgH) {
			var iHeight = imgObj.height * imgW / imgObj.width;
			if (iHeight <= imgH) {
				img.width = imgW;
				img.height = iHeight;
			} else {
				var iWidth = imgObj.width * imgH / imgObj.height;
				img.width = iWidth;
				img.height = imgH;
			}
		} else {
		}
	} else {
		img.width = imgW;
		img.height = imgH;
	}
};