 
<!--Browsercheck:
var IE=false;
var W3C=false;
function checkBrowser()
 {
         if (document.all)
         IE=true;
         else if (document.getElementById)
         W3C=true;
}

//-----------------klick - Abfrage------------------
var klick = false;
function changeklick (){
klick = true;
}
function wennklick(wert1){
	if(klick !=true)
	{document.all[wert1].style.visibility='hidden';}
	klick = false;
}


//--------------------------------------------------

// BildWechsel
function bw(name){
   if (document.images)
      document.grafik.src =document.images[name].src; 
	  
	
	}
	
function bw2(name1,name2){
   if (document.images)
      document.images[name1].src =document.images[name2].src; 
}	  
	
		
<!--Menüs an_aus(funktioniert nur, wenn <body onLoad="checkBrowser()">):

function an1 (wert1){
   if (W3C){
        
       document.getElementById(wert1).style.visibility='visible';
       }
   if(IE){
            document.all[wert1].style.visibility='visible';
	            }
   }
function aus1 (wert1){
   if (W3C){
          document.getElementById(wert1).style.visibility='hidden';
       }
	   
   if(IE){
          document.all[wert1].style.visibility='hidden';
         }
}
<!--
function an2 (wert1,wert2){
   if (W3C){
       document.getElementById(wert1).style.visibility='visible';
	   document.getElementById(wert2).style.visibility='visible';
       }
   if(IE){
       document.all[wert1].style.visibility='visible';
	   document.all[wert2].style.visibility='visible';
	            }
   }
function aus2 (wert1,wert2){
   if (W3C){
       document.getElementById(wert1).style.visibility='hidden';
	   document.getElementById(wert2).style.visibility='hidden';
       }
   if(IE){      
       document.all[wert1].style.visibility='hidden';
	   document.all[wert2].style.visibility='hidden';
         }
}
<!--
function an3 (wert1,wert2,wert3){
   if (W3C){       
       document.getElementById(wert1).style.visibility='visible';
	   document.getElementById(wert2).style.visibility='visible';
	   document.getElementById(wert3).style.visibility='visible';
       }
   if(IE){     
       document.all[wert1].style.visibility='visible';
	   document.all[wert2].style.visibility='visible';
	   document.all[wert3].style.visibility='visible';
	            }
   }
function aus3 (wert1,wert2,wert3){
   if (W3C){
       document.getElementById(wert1).style.visibility='hidden';
	   document.getElementById(wert2).style.visibility='hidden';
	   document.getElementById(wert3).style.visibility='hidden';
       }
   if(IE){
       document.all[wert1].style.visibility='hidden';
	   document.all[wert2].style.visibility='hidden';
	   document.all[wert3].style.visibility='hidden';
       }  
}
<!--
function aus2b(){
   if (W3C){
       
       document.getElementById('mess2b').style.visibility='hidden';
       document.getElementById('regel2b').style.visibility='hidden';
       document.getElementById('steu2b').style.visibility='hidden';
       document.getElementById('iplan2b').style.visibility='hidden';
       document.getElementById('schalt2b').style.visibility='hidden';
	   document.getElementById('plati2b').style.visibility='hidden';
	   document.getElementById('klein2b').style.visibility='hidden';
	   document.getElementById('eplan2b').style.visibility='hidden';
	   document.getElementById('rep2b').style.visibility='hidden';
	   document.getElementById('ers2b').style.visibility='hidden';
       }
   if(IE){
      
       document.all['mess2b'].style.visibility='hidden';
       document.all['regel2b'].style.visibility='hidden';
       document.all['steu2b'].style.visibility='hidden';
       document.all['iplan2b'].style.visibility='hidden';
       document.all['schalt2b'].style.visibility='hidden';
	   document.all['plati2b'].style.visibility='hidden';
	   document.all['klein2b'].style.visibility='hidden';
	   document.all['eplan2b'].style.visibility='hidden';
	   document.all['rep2b'].style.visibility='hidden';
	   document.all['ers2b'].style.visibility='hidden';
         }
}

// Fenstergrössenabfrage


function Fensterweite()
{
 if (window.innerWidth) return window.innerWidth;
 else if (document.body && document.body.offsetWidth) return document.body.offsetWidth;
 else return 0;
}

function neuAufbau()
{
if (Weite != Fensterweite())
 window.history.go(0);
}

	 /*Überwachung von Netscape initialisieren*/
if(!window.Weite && window.innerWidth)
  {
   window.onresize = neuAufbau;
   Weite = Fensterweite();
   }

function breite()
{

if (Weite<1024)
	{	
	document.all['umenu1'].style.height='44px';
	document.all['steu1'].style.top='25px';
	document.all['steu1'].style.left='20px';
	document.all['iplan1'].style.top='25px';
	document.all['iplan1'].style.left='227';
	}
}












