function homepageset(tobject) {
  if (navigator.appName == "Netscape") {
    alert('If you are using Netscape you must choose:\nEdit->Preferences->Navigator->Use Current Page\nto set your homepage.\n');
    window.external.AddFavorite('http://www.dundas.info','Dundas Information Directory');
  } else if (navigator.userAgent.indexOf("Opera")>-1) {
    if (navigator.userAgent.indexOf("Opera")>-1) {
      alert('If you are using Opera you must choose:\nNavigation->Set home page\nto set your homepage.\n');
    }
  } else {
    tobject.style.behavior='url(#default#homepage)';
    tobject.setHomePage('http://www.dundas.info');
  }  
}