var isNav4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 4);
if (parent == window)
{
  //Don't do anything if NN4 is printing frame
  if (!isNav4 || (isNav4 && window.innerWidth != 0)) 
  {
    if (location.replace) 
    {
      // Use replace(), if available, to keep current page out of history
      if (division == "main")
      {
        location.replace("index2.htm?division=" + division + "&page=" + page);
      } else
      {
        location.replace("../index2.htm?division=" + division + "&page=" + page);
      }
    } else
    {
      location.href = "index2.htm?division=" + division + "&page=" + page;
    }
  }
}