var ie4=0, ie5=0, ns4=0, ns6=0, ns61=0, moz=0, op=0, op5=0, op5up=0, fShow="", fHide="", docW=0;
var agt = navigator.userAgent.toLowerCase();
var os = navigator.platform.toLowerCase();
var an = navigator.appName;
var av = navigator.appVersion;
var acn = navigator.appCodeName;
var ver = parseInt(navigator.appVersion);
var init_called = false;
var visibleLayers = new Object ();
var menus = new Array ();

function init()
{ 
  if (init_called) return 0;
  init_called = true;
  var nab = false;
  fShow="visible"; 
  fHide="hidden";
  if (agt.indexOf("opera") == -1)
  { if (document.all && !document.getElementById) { ie4=1; ie5=0; ns4=0; ns6=0; ns61=0; moz=0; op=0; op5=0; op5up=0; }//ie 4
    else if (document.all && document.getElementById) { ie4=0; ie5=1; ns4=0; ns6=0; ns61=0; moz=0; op=0; op5=0; op5up=0; }//ie 5 
    else if (document.layers) { ie4=0; ie5=0; ns4=1; ns6=0; ns61=0; moz=0; op=0; op5=0; op5up=0; }//ns 4
    else if (document.getElementById && !document.all) { ie4=0; ie5=0; ns4=0; ns6=1; ns61=0; moz=0; op=0; op5=0; op5up=0; }//ns 6
    if (agt.indexOf("gecko") != -1 && agt.indexOf("netscape") == -1)
    { { ie4=0; ie5=0; ns4=0; ns6=0; ns61=0; moz=1; op=0; op5=0; op5up=0; }//moz 
    }
  }
  else if (agt.indexOf("opera") != -1)
  { ie4=0; ie5=0; ns4=0; ns6=0; ns61=0; moz=0; op=1; op5=0; op5up=0; //op
    if (agt.indexOf("opera 5") != 1) { ie4=0; ie5=0; ns4=0; ns6=0; ns61=0; moz=0; op=0; op5=1; op5up=0; }//op5
    if (agt.indexOf("opera 6") != 1) { ie4=0; ie5=0; ns4=0; ns6=0; ns61=0; moz=0; op=0; op5=0; op5up=1; }//op5
  }

  if (ie4)
  { nab = true;
  }
  else if (ie5)
  { self.document.onclick = allHide;
  }
  else if (ns4)
  { nab = true;
  }
  else if (ns6 || ns61)
  { document.onmouseup=allHide;
    window.captureEvents(Event.MOUSEMOVE);
  }
  else if (moz)
  { document.onmouseup=allHide;
    window.captureEvents(Event.MOUSEMOVE);
  }
  else if (op || op5)
  { nab = true;
  }
  else if (op5up)
  { self.document.onclick = allHide;
  }

  initializeMenues();
  return nab;
}

function allHide(except)
{ 
  if (except != "lay_ueberefm") { LayerHide("lay_ueberefm", 1); }
  if (except != "lay_service") { LayerHide("lay_service", 1); }
  if (except != "lay_produkte") { LayerHide("lay_produkte", 1); }
  if (except != "lay_kontakte") { LayerHide("lay_kontakte", 1); }
  if (except != "lay_franchising") { LayerHide("lay_franchising", 1); }
  if (except != "lay_presse") { LayerHide("lay_presse", 1); }
}


function initializeMenues () {
  menus[0] = new Object ();
  menus[0]['layer'] = "lay_ueberefm";
  menus[0]['image'] = "ueberefm";
  menus[0]['src'] = "/img/men-ueber-efm-1.gif";
  menus[0]['src_over'] = "/img/men-ueber-efm-2.gif";
  
  menus[1] = new Object ();
  menus[1]['layer'] = "lay_service";
  menus[1]['image'] = "service";
  menus[1]['src'] = "/img/men-service-1.gif";
  menus[1]['src_over'] = "/img/men-service-2.gif";
  
  menus[2] = new Object ();
  menus[2]['layer'] = "lay_produkte";
  menus[2]['image'] = "produkte";
  menus[2]['src'] = "/img/men-produkte-1.gif";
  menus[2]['src_over'] = "/img/men-produkte-2.gif";
  
  menus[3] = new Object ();
  menus[3]['layer'] = "lay_kontakte";
  menus[3]['image'] = "kontakte";
  menus[3]['src'] = "/img/men-kontakte-1.gif";
  menus[3]['src_over'] = "/img/men-kontakte-2.gif";
  
  menus[4] = new Object ();
  menus[4]['layer'] = "lay_franchising";
  menus[4]['image'] = "franchising";
  menus[4]['src'] = "/img/men-franchising-1.gif";
  menus[4]['src_over'] = "/img/men-franchising-2.gif";
  
  menus[5] = new Object ();
  menus[5]['layer'] = "lay_presse";
  menus[5]['image'] = "presse";
  menus[5]['src'] = "/img/men-presse-1.gif";
  menus[5]['src_over'] = "/img/men-presse-2.gif";
}

function GetMenuByLayerName (name) {
  for (i=0; i < menus.length; i++) {
    if (menus[i]['layer'] == name) {
      return menus[i];
    }
  }
  return null;
}

function LayerOff(name) 
{
  visibleLayers[name] = 0;
  window.setTimeout ("LayerHide('"+name+"');", 500);
  return false;
}

function LayerHide (name, force) 
{
  if (force || visibleLayers[name] == 0) {
    GetElement(name).style.visibility = fHide;
    menu = GetMenuByLayerName (name);
    MM_swapImage(menu['image'],'',menu['src'], 1);
  }
}

function GetElement(name) {
  if (ie5) return document.all[name];
  else if (ns6 || ns61) return document.getElementById(name);
  else if (moz) return document.getElementById(name);
  else return document.all[name];
}

function LayerOn(name, offset, force)
{ if (force) allHide (name);

  menu = GetMenuByLayerName (name);

  MM_swapImage(menu['image'],'',menu['src_over'], 1);

  visibleLayers[name] = 1;
  el = GetElement(name);
  if (ie5) 
  { docW = document.body.clientWidth/2;
    if (docW < 400 ) { docW=400 }
    el.style.left = (docW + offset) + "px";
    el.style.visibility = fShow;
  }
  else if (ns6 || ns61) 
  { docW = window.innerWidth/2;
    if (docW < 400 ) { docW=408 }
    el.style.left = docW + offset - 7;
    el.style.visibility = fShow;
  }
  else if (moz) 
  { 
    if (document.documentElement) { docW = document.documentElement.clientWidth/2; } else { docW = window.innerWidth/2; };
    if (docW < 400 ) { docW=408 }
    el.style.left = (docW + offset) + "px";
    el.style.visibility = fShow;
  }
  else if (op5up) 
  { docW = document.body.clientWidth/2;
    if (docW < 400 ) { docW=400 }
    el.style.left = docW + offset;
    el.style.visibility = fShow;
  }
}


function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { 
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { 
  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); return x;
}

function MM_swapImage() { 
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_reloadPage(init)  
{ 
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function MM_showHideLayers() { 
  var i,p,v,obj,args=MM_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; }
}

function MM_openBrWindow(theURL,winName,features) 
{
   window.open(theURL,winName,features);
}

function chUrl(v)
{
  window.open(v,"","");
}

MM_reloadPage(true);

function clearField(feld)
{
  feld.value="";
}