function DrawImage(ImgD, imgWidth, imgHeight) {
    var image = new Image();
    image.src = ImgD.src;
    if (image.width > 0 && image.height > 0) {
        if (image.width / image.height >= imgWidth / imgHeight) {
            if (image.width > imgWidth) {
                ImgD.width = imgWidth;
                ImgD.height = (image.height * imgWidth) / image.width;
            } else {
                ImgD.width = image.width;
                ImgD.height = image.height;
            }
        } else {
            if (image.height > imgHeight) {
                ImgD.height = imgHeight;
                ImgD.width = (image.width * imgHeight) / image.height;
            } else {
                ImgD.width = image.width;
                ImgD.height = image.height;
            }
        }
    }
    image = null;
}