function   DrawImage(ImgD,pwidth,pheight){   
  var   image=new   Image();   
  image.src=ImgD.src;   
  if(image.width>0   &&   image.height>0){   
  flag=true;   
  if(image.width/image.height>=   pwidth/pheight){   
  if(image.width>pwidth){     
  ImgD.width=pwidth;   
  ImgD.height=(image.height*pwidth)/image.width;   
  }else{   
  ImgD.width=image.width;     
  ImgD.height=image.height;   
  }   
  //ImgD.alt=image.width+"กม"+image.height;   
  }   
  else{   
  if(image.height>pheight){     
  ImgD.height=pheight;   
  ImgD.width=(image.width*pheight)/image.height;     
  }else{   
  ImgD.width=image.width;     
  ImgD.height=image.height;   
  }   
  //ImgD.alt=image.width+"กม"+image.height;   
  }   
  }   
  }