function printWindow(link_url) 
{

  var width = Math.ceil(screen.width/2);
  var height = Math.ceil(screen.height*0.6);
  //if (width < 600) { width = 550; }
  width = 590;
  if (height < 400) { height = 400; }
  var left = Math.ceil(screen.width/4);
  var top = Math.ceil(screen.height*0.1);
  var oTarget = window.open(link_url, "Additional", "height="+height+",width="+width+",scrollbars=1,left="+left+",top="+top);
  oTarget.focus();
  oTarget.print();
  return false;
};