function DrawImage(MyPic, W, H) {
    var flag = false;
    var image = new Image();
    image.src = MyPic.src;
    if (image.width > 0 && image.height > 0) {
        flag = true;
        if (image.width / image.height >= W / H) {
            if (image.width > W) {
                MyPic.width = W;
                MyPic.height = (image.height * W) / image.width;
            }
            else {
                MyPic.width = image.width;
                MyPic.height = image.height;
            }
        }
        else {
            if (image.height > H) {
                MyPic.height = H;
                MyPic.width = (image.width * H) / image.height;
            }
            else {
                MyPic.width = image.width;
                MyPic.height = image.height;
            }
        }
    }
}