function view(Url,width,height)
  { 
    left=200-width/2;
   width+=36; 
   height+=100;
win=window.open(Url, "Displaywindow", "left="+left+", top=10, width="+width+", height="+height+
", resizable=0,toolbar=0, location=0, directories=0, status=0, menubar=0,scrollbars=yes, ");
  }
