<!--
    function enlarge(param){
      if (window.pop && !window.pop.closed){
       window.pop.close();
       window.pop = window.open("popup.php", param , "left=100, top=100, height=550, width=550, menubar=no, resizable=no, location=no");
       window.pop.focus;
       }
      else{
       window.pop = window.open("popup.php", param , "left=100, top=100, height=550, width=550, menubar=no, resizable=no, location=no");
      }
    }
//-->