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;
              } 
         }
      }
}