function Popup(apri) {
   var w = 910;
   var h = 700;
   var l = Math.floor((screen.width-w)/2);
   var t = Math.floor((screen.height-h)/2);
      window.open("http://www.hotelnet.biz/wbe/Concorde/","","width=" + w + ",height=" + h + ",top=" + t + ",left=" + l);
     }