function popUp1(wintype)
{
  var nwl = (screen.width-1024)/2;
  var nwh = (screen.height-705)/2;
  popUp=window.open(wintype, 'Directions', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=1024,height=705,left='+nwl+',top='+nwh+''); 
}