function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

function ShowMenu(layer) {
  HideMenu();
  document.getElementById("menu0"+layer).style.visibility = "visible";  
}

<!--function OpenQuizWindow() {-->
  <!--var earth = window.open("../66.110.7.35/index.htm", "bigView", "location=0,scrollbars=0,resizable=0,width=865,height=648, status=0");-->
  <!--earth.opener.name = "stage";-->
<!-- }-->