function ow(img,x,y) {
        msgWindow=window.open(img,"","toolbar=no,scrollbars=no,status=no,resizable=no,width="+x+" height="+y);
}
  function ShowPopup( a_id, lang ){
    var n=window.open('../../calendar/show_calendar.php?a_id='+a_id+'&lang='+lang,'_blank','width=460,height=357,menubar=no,toolbar=no,scrollable=yes,resizable=no,hotkeys=1,scrollbars=no,screenX='+(screen.availWidth-800)/2+',screenY='+(screen.availHeight-600)/2+',left='+(screen.availWidth-800)/2+',top='+(screen.availHeight-600)/2);
    n.focus();
  }