var playSound;
var Meldung;
var Bild1;
var Bild2;
var Bild3;
var Bild4;
var Bild5;
var Bild6;
var Bild7;
var Bild8;
var Bild9;
var Bild10;
var Bild11;
var Wert1 = "";
var Wert2 = "";


var preloadFlag = false;

 /*------------------------------------------------------------------------------------*/
function HoleBild()	{
	if (document.images) {
	Bild1 = new Image();
	Bild1.src="images/pr_PFeil_x.gif";
	Bild2 = new Image();
	Bild2.src="images/pr_pfeil.jpg";
	Bild3 = new Image();
	Bild3.src="images/menu_leer.jpg";
	Bild4 = new Image();
	Bild4.src="images/menu_schule.jpg";
	Bild5 = new Image();
	Bild5.src="images/menu_schueler.jpg";
	Bild6 = new Image();
	Bild6.src="images/menu_lehrer.jpg";
	Bild7 = new Image();
	Bild7.src="images/menu_links.jpg";
	preloadFlag = true;
	}
}
	
/*------------------------------------------------------------------------------------*/
function e_HoleBild()
	{
	Bild1 = new Image();
	Bild1.src="../images/pr_PFeil_x.gif";
	Bild2 = new Image();
	Bild2.src="../images/pr_PFeil.gif";
	Bild3 = new Image();
	Bild3.src="../images/menu_leer.jpg";
	Bild8 = new Image();
	Bild8.src="../images/e_menu_schule.gif";
	Bild9 = new Image();
	Bild9.src="../images/e_menu_schueler.gif";
	Bild10 = new Image();
	Bild10.src="../images/e_menu_lehrer.gif";
	Bild11 = new Image();
	Bild11.src="../images/e_menu_links.gif";
	}
	
 /*------------------------------------------------------------------------------------*/
function Bildwechsel(Bildnr,Bildobject){
	if (document.images && (preloadFlag == true)) {
		
		window.document.images[Bildnr].src = Bildobject.src;
		}
	}
/*------------------------------------------------------------------------------------*/
function e_Bildwechsel(Bildnr,Bildobject)
	{
	window.document.images[Bildnr].src = Bildobject.src;
	}	
 /*------------------------------------------------------------------------------------*/
function WertHolen()
  {
   var Wert = "";
  
   if(window.document.cookie) 
   		{
    	Wertstart = window.document.cookie.indexOf("=") + 1;
    	Wertende = window.document.cookie.indexOf(";");
    	if(Wertende == -1) Wertende = window.document.cookie.length;
    	Wert = window.document.cookie.substring(Wertstart,Wertende);
   		}
	else
		{
		Wert = "Sound=true$#f5f5dc";
		}
   return Wert;
  }
  
 /*------------------------------------------------------------------------------------*/
 
 function WertTrennen()
 	{
	var Keks = WertHolen();
	var apos=Keks.indexOf("$");
	Wert1 = Keks.substring(0,apos);
	Wert2 = Keks.substring(apos+1,Keks.length);
	}
 /*------------------------------------------------------------------------------------*/
  function Set_Checkbox()
  {
  	WertTrennen();
  	Meldung = Wert1;
	document.bgColor = Wert2;
	
	switch(Wert2)
		{
 		case "#000000":
 		document.forms(0).droppy.selectedIndex = 1;
 		break;
 		case "#f5f5dc":
 		document.forms(0).droppy.selectedIndex = 0; 
 		break;
 		case "#99ccff":
 		document.forms(0).droppy.selectedIndex = 2;
 		break;
 		case "#c3c3c3":
		document.forms(0).droppy.selectedIndex = 3;
 		break;
		case "#ffffff":
		document.forms(0).droppy.selectedIndex = 4;
 		break;
		case "#33cccc":
		document.forms(0).droppy.selectedIndex = 5;
 		break;
		case "#ccffcc":
		document.forms(0).droppy.selectedIndex = 6;
 		break;
		case "#ffff33":
		document.forms(0).droppy.selectedIndex = 7;
 		break;
		case "#ffcc99":
		document.forms(0).droppy.selectedIndex = 8;
 		break;
 		default:
		document.forms(0).droppy.selectedIndex = 0;
 		break;
		
	} 
	if(Meldung == "true")
		{
   		window.document.forms[0].optSound.checked = true;
		}
	else
		{
		window.document.forms[0].elements[0].checked = false;
		}
  }
  
  /*------------------------------------------------------------------------------------*/
  function SetSearch()
  		{
		var Farbwert = "";
		WertTrennen();
		
		Farbwert = Wert2;
  		return Farbwert;
		}
 /*------------------------------------------------------------------------------------*/
  function SetURL(strURL)
  		{
		var F = SetSearch();
		var F2 = F.substring(1,F.length);
		
		/*var strURL = "pages/schule.html?";*/
		
		
		var sURL = strURL+"?"+F2;
		
		window.location.href=sURL;
		
		}
 /*------------------------------------------------------------------------------------*/
 
  function WertSetzen(Bezeichner, Verfall)
  {
  var Wert = document.forms[0].elements[0].checked;
  var Farbe = document.bgColor;
 
  var Wert2= Wert+"$"+ document.bgColor;
  
   var jetzt = new Date();
   var Auszeit = new Date(jetzt.getTime() + Verfall);
   document.cookie = Bezeichner+"="+Wert2+"; expires="+Auszeit.toGMTString()+";";
  }
 /*------------------------------------------------------------------------------------*/  
  function SetSound(strDatei){
   		if(Meldung == "true")
    	{
		playSound == true;
		play_sound(strDatei);
		}
   }
 /*------------------------------------------------------------------------------------*/
  function play_sound(datei)	
		{
		location.href=datei;
		}
 /*------------------------------------------------------------------------------------*/
 function Hintergrund(Farbe)	
		{
		document.bgColor = Farbe;
	}
 /*------------------------------------------------------------------------------------*/
 function GetSearch(){
		if(window.location.search != ""){
	 		var Se=window.location.search;
			var Se2 = Se.substring(1,Se.length);
			
			Se2 = "#"+ Se2;
			document.bgColor = Se2;
		}
		window.focus();
	}