function openWindow(url){
	  // Fudge factors for window decoration space.
	  // In my tests these work well on all platforms & browsers.
	  w = 630;
	  h = 500;
	  w += 32;
	  h += 96;
	  wleft = (screen.width - w) / 2;
	  wtop = (screen.height - h) / 2;
	  // IE5 and other old browsers might allow a window that is
	  // partially offscreen or wider than the screen. Fix that.
	  // (Newer browsers fix this for us, but let's be thorough.)
	  if (wleft < 0) {
		w = screen.width;
		wleft = 0;
	  }
	  if (wtop < 0) {
		h = screen.height;
		wtop = 0;
	  }
	  var win = window.open(url,
		"fotoWindow",
		'width=' + w + ', height=' + h + ', ' +
		'left=' + wleft + ', top=' + wtop + ', ' +
		'location=no, menubar=no, ' +
		'status=no, toolbar=no, scrollbars=yes, resizable=yes');
	  // Just in case width and height are ignored
	  win.resizeTo(w, h);
	  // Just in case left and top are ignored
	  win.moveTo(wleft, wtop);
	  win.focus();
	  //window.name="mainWindow";
	  //window.open(arg,"fotoWindow","width=630,height=500,directories=no,toolbar=no,resizable=yes,menubar=no,scrollbars=yes");
}

function openIDCode(arg){
	  window.name="mainWindow";
	  window.open(arg,"fotoWindow","width=600,height=600,directories=no,toolbar=no,resizable=yes,menubar=no,scrollbars=yes");
}

function setFXUserMail(user, email){
   opener.SENDMAIL.EM_NAME.value = user;
   opener.SENDMAIL.EM_EMAIL.value = email;   
   window.close()
}   

function verify(){
    msg = "Wollen Sie wirklich löschen?";
    //all we have to do is return the return value of the confirm() method
    return confirm(msg);
}

function zumhauptmenue() {
	location.replace("gz_schoolquiz.asp");
}


function openFFWindow(arg){
	  window.name="mainWindow";
	  window.open(arg,"ffWindow","width=630,height=480,directories=no,toolbar=no,resizable=yes,menubar=no,scrollbars=yes");
}