Anzahl = 6;

  Button_array = new Array()
  for (i = 0 ; i <= Anzahl ; i++)
    Button_array[i] = new Image();

  Button_array[0].src = "bilder/sta";
  Button_array[1].src = "bilder/fam";
  Button_array[2].src = "bilder/dat";
  Button_array[3].src = "bilder/kon";
  Button_array[4].src = "bilder/sof";
  Button_array[5].src = ""


function An(x)
{
    Button_array[5].src=Button_array[x].src+"1.gif"
    window.document.images[(x+1)*2].src = Button_array[5].src
}

function Aus(x)
{
    Button_array[5].src=Button_array[x].src+"0.gif"
    window.document.images[(x+1)*2].src = Button_array[5].src
}

function fenst(i)
{
x="data"+i+"/start.html";
win=window.open(x,"_blank","width=300,height=100");
win.focus()
}

function makevisible(cur,which){
strength=(which==0)? 1 : 0.3

if (cur.style.MozOpacity)
cur.style.MozOpacity=strength
else if (cur.filters)
cur.filters.alpha.opacity=strength*100
}