function wopen(url, name, w, h)
{
  var vurl = (url == null) ? 'http://www.cnn.com' : url;
  var vw = (w == null) ? 400 : w;
  var vh = (h == null) ? 400 : h;

  var win = window.open(
    url,
    name,
    config='width=' + vw + ',height=' + vh + ',location=no,menubar=no,status=no,toolbar=no,scrollbars=yes,resizable=no,left=200,top=200');
  win.resizeTo(vw, vh);
  win.focus();
}
function calcHeight()
{
  //find the height of the internal page
  var the_height = document.getElementById('homePageContent').contentWindow.document.body.scrollHeight;

  //change the height of the iframe
  document.getElementById('homePageContent').height=the_height;
}