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