function menu (i)
{
 var DOM = (document.getElementById)? true : false;
 var OP = (window.opera)? true : false;
 var OPF = (OP && DOM)? true : false;
 var IE = (document.all && !OP)? true : false;
 var IE5 = (IE && DOM)? true : false;
 var IE4 = (IE && !DOM)? true : false;

  switch(i)
 {
     case 1:
   {

     if (navigator.appVersion.charAt (0)<'5' && navigator.appName!='Netscape')
    {
     var layers=document.all.tags ("div");
    }
    else {
     var layers=document.getElementsByTagName("div");

    }
         layers['menu1'].style.visibility='visible';
         layers['menu2'].style.visibility='hidden';
         layers['menu3'].style.visibility='hidden';
         layers['menu4'].style.visibility='hidden';
            layers['firma'].style.top=400;
    layers['firma'].style.left=65;
            layers['tischler'].style.top=325;
    layers['tischler'].style.left=60;
            layers['service'].style.top=250;
    layers['service'].style.left=55;
    



    return;
    }
   case 2:
   {

     if (navigator.appVersion.charAt (0)<'5' && navigator.appName!='Netscape')
    {
     var layers=document.all.tags ("div");
    }
    else {
     var layers=document.getElementsByTagName("div");

    }
         layers['menu1'].style.visibility='hidden';
         layers['menu2'].style.visibility='visible';
         layers['menu3'].style.visibility='hidden';
         layers['menu4'].style.visibility='hidden';
            layers['firma'].style.top=400;
    layers['firma'].style.left=65;
            layers['tischler'].style.top=325;
    layers['tischler'].style.left=60;
            layers['service'].style.top=125;
    layers['service'].style.left=40;
    



    return;
    }
   case 3:
   {

     if (navigator.appVersion.charAt (0)<'5' && navigator.appName!='Netscape')
    {
     var layers=document.all.tags ("div");
    }
    else {
     var layers=document.getElementsByTagName("div");

    }
         layers['menu1'].style.visibility='hidden';
         layers['menu2'].style.visibility='hidden';
         layers['menu3'].style.visibility='visible';
         layers['menu4'].style.visibility='hidden';
            layers['firma'].style.top=400;
    layers['firma'].style.left=65;
            layers['tischler'].style.top=200;
    layers['tischler'].style.left=50;
            layers['service'].style.top=125;
    layers['service'].style.left=40;
    



    return;
    }
   case 4:
   {

     if (navigator.appVersion.charAt (0)<'5' && navigator.appName!='Netscape')
    {
     var layers=document.all.tags ("div");
    }
    else {
     var layers=document.getElementsByTagName("div");

    }
         layers['menu1'].style.visibility='hidden';
         layers['menu2'].style.visibility='hidden';
         layers['menu3'].style.visibility='hidden';
         layers['menu4'].style.visibility='visible';
            layers['firma'].style.top=275;
    layers['firma'].style.left=55;
            layers['tischler'].style.top=200;
    layers['tischler'].style.left=50;
            layers['service'].style.top=125;
    layers['service'].style.left=40;
    



    return;
    }

   }
 }
function clean()
{

    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
         layers['menu1'].style.visibility='hidden';
         layers['menu2'].style.visibility='hidden';
         layers['menu3'].style.visibility='hidden';
         layers['menu4'].style.visibility='hidden';
    

    return;
}


function submenu (x,nr)
{
 var DOM = (document.getElementById)? true : false;
 var OP = (window.opera)? true : false;
 var OPF = (OP && DOM)? true : false;
 var IE = (document.all && !OP)? true : false;
 var IE5 = (IE && DOM)? true : false;
 var IE4 = (IE && !DOM)? true : false;

for (var i=1;i<=nr;i++) {

      if (i==x) {
   if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="show";

     }
      if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }

      layers['submenu'+i+''].style.visibility='visible';



  }
  else {
  if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
     if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
     layers['submenu'+i+''].style.visibility='hidden';



 }
  }

    return;

}

function submenuclean (x,nr)
{

for (var i=1;i<=nr;i++) {

      if (i==x) {
   if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
      if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }

      layers['submenu'+i+''].style.visibility='hidden';



  }
  else {
  if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
     if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
     layers['submenu'+i+''].style.visibility='hidden';



 }
  }

    return;

}

function subkat (x,nr)
{
 var DOM = (document.getElementById)? true : false;
 var OP = (window.opera)? true : false;
 var OPF = (OP && DOM)? true : false;
 var IE = (document.all && !OP)? true : false;
 var IE5 = (IE && DOM)? true : false;
 var IE4 = (IE && !DOM)? true : false;

for (var i=1;i<=nr;i++) {

      if (i==x) {

   if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="show";

     }
      if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
     if(IE5 || IE4) {



     layers['subkat'+i+''].style.top=window.event.clientY-105;
     layers['subkat'+i+''].style.left=280;

      }
     else {

     layers['subkat'+i+''].style.top=document.getElementById("m4").offsetTop;

     }

      layers['subkat'+i+''].style.visibility='visible';



  }
  else {
  if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
     if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
     layers['subkat'+i+''].style.visibility='hidden';



 }
  }

    return;

}

function subkatclean (x,nr)
{

for (var i=1;i<=nr;i++) {

      if (i==x) {
   if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
      if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }

      layers['subkat'+i+''].style.visibility='hidden';



  }
  else {
  if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      var name='window.document.info'+i;
      name.visibility="hide";

     }
     if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
     layers['subkat'+i+''].style.visibility='hidden';



 }
  }

    return;

}

produkte=new Image();
produkte.src="images/button_produkt.jpg";
produkte2=new Image();
produkte2.src="images/button_produkt_chr1.jpg";


function wechselprodukt ()
{
window.document.images['produkt_img'].src=produkte.src;
}

function wechselprodukt2 ()
{
window.document.images['produkt_img'].src=produkte2.src;
}
servicee=new Image();
servicee.src="images/button_service.jpg";
servicee2=new Image();
servicee2.src="images/button_service_chr1.jpg";


function wechselservice ()
{
window.document.images['service_img'].src=servicee.src;
}

function wechselservice2 ()
{
window.document.images['service_img'].src=servicee2.src;
}
tischlere=new Image();
tischlere.src="images/button_tischler.jpg";
tischlere2=new Image();
tischlere2.src="images/button_tischler_chr1.jpg";


function wechseltischler ()
{
window.document.images['tischler_img'].src=tischlere.src;
}

function wechseltischler2 ()
{
window.document.images['tischler_img'].src=tischlere2.src;
}
firmae=new Image();
firmae.src="images/button_firma.jpg";
firmae2=new Image();
firmae2.src="images/button_firma_chr1.jpg";


function wechselfirma ()
{
window.document.images['firma_img'].src=firmae.src;
}

function wechselfirma2 ()
{
window.document.images['firma_img'].src=firmae2.src;
}