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 Formular_Fenster_Oeffnen()
{
fenster1=window.open("probestunde.html","Formular","width=520,height=650,scrollbars=no,toolbars=no,resizable=no");
fenster1.moveTo(350,60);
if(window.focus){
fenster1.focus();
}}



function close_window() {
    window.close();
}