var bIE             =  navigator.appName == "Microsoft Internet Explorer";
//	Globale Variabeln
var	iActive1	=	0;	//Aktives Layer 1. Level
var	iActive2	=	0;	//Aktives Layer 2. Level
var	iActive3	=	0;	//Aktives Layer 3. Level
var iHighlite   =   0;  //Aktive Menu-Zelle
//if	(navigator.appVersion.substring(0,1) < '4')	document.location.reload('index.html');
function doit(iLevel,iNewLayer)
{
  var	sName	=	'layr';
  
  if (iLevel == 3)
  sName	+=	iActive1 + 'x' + iActive2 + 'x';
  
  if (iLevel == 2)
  sName	+=	iActive1 + 'x';
  
  
  //Alte Bilder hidden setzten
  if (eval('iActive'	+	iLevel) > 0)
  {
  if (bIE)
  document.all[sName + eval('iActive'	+	iLevel)].style.visibility	= 'hidden';
  else
  document.layers[sName + eval('iActive'	+	iLevel)].visibility	= 'hidden';
  }
  
  //Neue Bilder einschalten
  if (iNewLayer > 0)
  {
  if (bIE)
  document.all[sName + iNewLayer].style.visibility	= 'visible';
  else
  document.layers[sName + iNewLayer].visibility	= 'inherit';
  
  }
  
  if (iLevel	==	1)
  iActive1	=	iNewLayer;
  if (iLevel	==	2)
  iActive2	=	iNewLayer;
  
  if (iLevel	==	3)
  iActive3	=	iNewLayer;
}
function show(iLevel,iNewLayer,iTblCell)
{
  if (bIE)
  tableflash(iTblCell);
  //else
  //    tN(iTblCell);
  
  if (iLevel == 1)
  {
  doit(3,0);
  doit(2,0);
  doit(1,iNewLayer);
  }
  else if (iLevel == 2)
  {
  doit(3,0);
  doit(2,iNewLayer);
  }
  else if (iLevel == 3)
  doit(3,iNewLayer);
}
//globale Variablen
var layerRef="document.layers";
var styleSwitch=".";
function init(){
  if (navigator.appName == "Netscape") {
	  layerRef="document.layers";
	  styleSwitch=".";
  }else{
	  layerRef="document.all";
	  styleSwitch=".style.";
	}
}
function showLayer(layerName){
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'visibility="visible"');
}
  
function hideLayer(layerName){
  eval(layerRef+'["'+layerName+'"]'+styleSwitch+'visibility="hidden"');
}
function tbgcolorOn(cellnr)
{
  //document.all[cellnr].bgColor='';
}
function tbgcolorOff(cellnr)
{
  //document.all[cellnr].bgColor='';
}
function tableflash(cellnr)
{
  document.all[iHighlite].bgColor="";
  iHighlite = cellnr;
  if (cellnr != 0)
  {
  document.all[iHighlite].bgColor="";
  }
}
function tN(cellnr)
{
  document.tags.td.bgColor="";
}