var ebenen =  new Array("miete","busse","zelte","pers_zelte","reisep","gallery","gal2005");

var navi = new Array();
navi[0] = "";
navi[1] = "miete";
navi[2] = "reiseplaner";
navi[3] = "gallery";
navi[4] = "";
navi[5] = "";
navi[6] = "";

var sub1 = new Array();
sub1[12] = "busse";
sub1[13] = "zelte";
sub1[14] = "preise";
sub1[30] = "gal2005";
sub1[31] = "gal2006";
sub1[33] = "gal2007";
sub1[34] = "gal2008";
sub1[32] = "gal_fun";

var sub2 = new Array();
sub2[130] = "pers_zelte";
sub2[140] = "vorzelte";




function show(w)
  {
  for(i=0;i<navi.length;i++)
    {
    nav = navi[i];
    if(!nav) continue;
    doc = document.getElementById(nav);

    if(i == w && doc.style.display == "none")
      {
      doc.style.display = "block";
      }
    else
      {
      doc.style.display = "none";
      }
    }
  show_sub1()
  }

function show_sub1(w)
  {
  for(i=0;i<sub1.length;i++)
    {
    nav = sub1[i];
    if(!nav) continue;
//    alert(nav);
    doc = document.getElementById(nav);

    if(i == w && doc.style.display == "none")
      {
      doc.style.display = "block";
      }
    else
      {
      doc.style.display = "none";
      }
    }
  show_sub2()
  }

function show_sub2(w)
  {
  for(i=0;i<sub2.length;i++)
    {
    nav = sub2[i];
    if(!nav) continue;
//    alert(nav);
    doc = document.getElementById(nav);

    if(i == w && doc.style.display == "none")
      {
      doc.style.display = "block";
      }
    else
      {
      doc.style.display = "none";
      }
    }
  }


//    alert(i+":"+w+" - "+nav+" / "+doc.style.display);

function xxshowsub(w1,w2,w3,w4)
  {
  var alle = ebenen.length;
  var disp = "none";
//  alert("w1 = "+w1+",w2 = "+w2+",w3 = "+w3+",w4 = "+w4);
  alert(sub.length);
  for(i=0;i<alle;i++)
    {
    var doc = document.getElementById(ebenen[i]);
    disp = "none";
    if(i == w1 ||i == w2 ||i == w3 ||i == w4)
      {
      if(doc.style.display == "none")
        {
        disp = "block";
        }
      }
    doc.style.display = disp;
    }
  }