navbut1=new Image ();navbut1.src="../../layout_images/aktuelles_navpas.gif";
navbut1_akt=new Image ();navbut1_akt.src="../../layout_images/aktuelles_navakt.gif";

navbut2=new Image ();navbut2.src="../../layout_images/freizeit_navpas.gif";
navbut2_akt=new Image ();navbut2_akt.src="../../layout_images/freizeit_navakt.gif";

navbut3=new Image ();navbut3.src="../../layout_images/service_navpas.gif";
navbut3_akt=new Image ();navbut3_akt.src="../../layout_images/service_navakt.gif";

navbut4=new Image ();navbut4.src="../../layout_images/wirtschaft_navpas.gif";
navbut4_akt=new Image ();navbut4_akt.src="../../layout_images/wirtschaft_navakt.gif";

navbut5=new Image ();navbut5.src="../../layout_images/regio_navpas.gif";
navbut5_akt=new Image ();navbut5_akt.src="../../layout_images/regio_navakt.gif";

function tauschen (a, Bild)
{
     var a, Bild;
     window.document.images[a].src=Bild.src;
}

function show_nav(x) {
 if(DOM || MS) {
   getElem("id",x,null).style.visibility = "visible";
 }
 else if(NS) {
  getElem("id",x,null).visibility = "show";
 }
}

function hide_nav(x) {
 if(DOM || MS)
  getElem("id",x,null).style.visibility = "hidden";
 if(NS)
  getElem("id",x,null).visibility = "hide";
}


var old;
var memold;
var subold;

if(document.layers)
{
      window.captureEvents(Event.MOUSEUP);
      window.onmouseup=put_out;
}

else
{
      document.onmouseup=put_out;
}

function do_menu(x)
{
      if(!old)
             old=memold;
      if(old!=x)
          {
             show_nav(x);
             old=x;
          }
      else
             old="";
}


function do_check(x)
{
     if(old && old!=x)
     {
             hide_nav(old);
             show_nav(x);
             old=x;
     }
     do_submenu();
}

function put_out()
{
     if(old)
             hide_nav(old);
             memold=old;
             old="";
             do_submenu();
}

function do_submenu(x)
{
        if(subold)
        {
                hide_nav(subold);
                subold="";
        }
        if(x)
        {
                show_nav(x);
                subold=x;
        }
}


Fenster = null;
function impressum()
{
Fenster = window.open("../../popup_impressum.html","demo","toolbar=no,menubar=no,top=30,left=30,width=520,height=400,scrollbars=yes")
Fenster.focus();
}

Karte =null;
function map24()
{
Karte = window.open("../../","demo","toolbar=no,menubar=no,top=40,left=30,width=620,height=510,scrollbars=yes")
Karte.focus();
}