var dom = document.getElementById?1:0;
var ns4 = document.layers?1:0;


function showMenu(name,number) {

 var groups = 4;

 for (count = 1; count <= groups; count++) {
 var content = name + count;
 var active = name + number;

  if(dom) {
   if(content == active) {
    document.getElementById(active).style.visibility = 'visible';
    document.getElementById(active).onmouseover = clearShut;
    document.getElementById(active).onmouseout = setShut;
   }
   else {
    document.getElementById(content).style.visibility = 'hidden';
   }
  }
  else if(ns4) {
   if(content == active) {
    document[active].visibility = 'show';
    document[active].onmouseover = clearShut;
    document[active].onmouseout = setShut;
   }
   else {
    document[content].visibility = 'hide';
   }
  }
 }
 first = name, sec = number;
 clearShut();
}


function setShut() { 

timer = setTimeout("shut(first,sec)", 500);
}


function clearShut() {

if(window.timer)
clearTimeout(timer);
}


function shut(first,sec) {

 var active = first + sec;

 if(dom)
 document.getElementById(active).style.visibility = 'hidden';
 else if(ns4)
 document[active].visibility = 'hide';
}

/************************************************************************************
DHTML-Layer - Ebenen-Austausch --Armin Graber-- :-)
************************************************************************************/
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function showHideLayers() { //v3.0
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

/************************************************************************************
Zusatz-Funktion für Submenü bzw Begleittext --Armin Graber-- :-)
************************************************************************************/