window.onload = window.onresize = function()
{
  var iFrames = document.getElementsByTagName('IFRAME');
  var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight;
  height -= 120;
  for(var i=0; i<iFrames.length; i++)
    iFrames[i].style.height = height + 'px';
}

function openWindow(sWindowName, sUrl)
{
  var oWindow = window.open(sUrl,sWindowName,'width=990,height=600,scrollbars=yes,toolbar=no,location=no,status=no,menubar=no');
  oWindow.focus();
}