if (parent.frames.length == 0)
  {
  document.location.href="/";
  }

var w = 800, h = 600;

if (document.all || document.layers) {
   w = screen.availWidth;
   h = screen.availHeight;
}

var leftPos = (w-560)/2;
var topPos = (h-520)/2;

function showpage(page)
  {
  var msgWindow2 = window.open(page,'msg','Width=580,Height=560,Top='+topPos+',Left='+leftPos+',resizable=no,scrollbars=yes');
  msgWindow2.focus();
  }