var DHTML = (document.getElementById || document.all || document.layers); 
var menuhaupt; 
var Scroll; 
var Scroll = false; 
var lastScrollY = 5; 
var percent; 
var winpos = 5; 
  
function init() 
{ 
if(!DHTML) return; 
menuhaupt = new nimmObj('menuhaupt'); 
  
Scroll = (document.layers) ? 
 document.menuhaupt.document.forms[0].elements[0].checked : 
 document.forms[0].elements[0].checked; 
LaufDuSau(); 
} 
  
function LaufDuSau() 
{ 
if (self.name == 'true') 
 { 
 if (window.innerHeight) 
  { 
  pos = window.pageYOffset; 
  } 
 else if (document.documentElement && document.documentElement.scrollTop) 
  { 
  pos = document.documentElement.scrollTop; 
  } 
 else if (document.body) 
  { 
  pos = document.body.scrollTop; 
  } 
  

  
 pos+=0; 
 if (pos <= 70) pos = 70; 
 if (pos > 70) pos += 10; 
 if (pos != lastScrollY) 
  { 
  percent = .03 * (pos - lastScrollY); 
   if(percent > 0) percent = Math.ceil(percent); 
   else percent = Math.floor(percent); 
  winpos = winpos + percent; 
  menuhaupt.style.top = winpos; 
  lastScrollY = lastScrollY + percent; 
  } 
  
// Ende webwal 
  
 } 
 temp = window.setTimeout('LaufDuSau()',1); 
} 
  
function nimmObj(name) 
{ 
if (document.getElementById) 
 { 
 this.obj = document.getElementById(name); 
 this.style = document.getElementById(name).style; 
 } 
else if (document.all) 
 { 
 this.obj = document.all[name]; 
 this.style = document.all[name].style; 
 } 
else if (document.layers) 
 { 
 this.obj = document.layers[name]; 
 this.style = document.layers[name]; 
 } 
}