// JScript 文件

function DrawPhotoImage(ImgD,kuang,gao)
{ 
 var image=new Image(); 
 image.src=ImgD.src;
 if(image.width>0 && image.height>0)
 { 
    flag=true; 
    if(image.width/image.height >= 1)
  { 
      if(image.width>kuang)
   {
        ImgD.width=kuang; 
        ImgD.height=(image.height*kuang)/image.width; 
      }
   else
   { 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      }
    } 
    else
  { 
      if(image.height>gao)
   {
        ImgD.height=gao; 
        ImgD.width=(image.width*gao)/image.height; 
      }
   else
   { 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      }
    } 
 }
}