function ichbin()
 {
  uncheckAll();
  if(document.forms[0].elements[0].value == "1" || document.forms[0].elements[0].value == "2")
   {document.forms[0].reset();}
  if(document.forms[0].elements[0].value == "a")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl4").style.visibility = "visible";
   }
  if(document.forms[0].elements[0].value == "b")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl2").style.visibility = "visible";
    document.getElementById("Wahl4").style.visibility = "visible";
   }
  if(document.forms[0].elements[0].value == "c")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl2").style.visibility = "visible";
    document.getElementById("Wahl3").style.visibility = "visible";
    document.getElementById("Wahl4").style.visibility = "visible";
   }
  if(document.forms[0].elements[0].value == "d")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl2").style.visibility = "visible";
    document.getElementById("Wahl4").style.visibility = "visible";
   }
  if(document.forms[0].elements[0].value == "e")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl2").style.visibility = "visible";
    document.getElementById("Wahl3").style.visibility = "visible";
   }
  if(document.forms[0].elements[0].value == "f")
   {
    document.getElementById("Wahl0").style.visibility = "visible";
    document.getElementById("Wahl1").style.visibility = "visible";
    document.getElementById("Wahl2").style.visibility = "visible";
   }
 }

function uncheckAll()
 {
  for(i=0;i<5;i++)
   {
    document.forms[0].elements[i].checked = false;
    document.getElementById("Wahl"+i).style.visibility = "hidden";
   }
  hideLinks();
 }

function hideLinks()
 {
  for(i=5;i<11;i++)
   {document.getElementById("Wahl"+i).style.visibility = "hidden";}
 }

function moechte()
 {
  hideLinks();
// choise a
  if(document.forms[0].elements[0].value == "a")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl6").style.visibility = "visible";
     }
    if(document.forms[0].elements[4].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl9").style.visibility = "visible";
     }
   }
// choise b
  if(document.forms[0].elements[0].value == "b")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl6").style.visibility = "visible";
     }
    if(document.forms[0].elements[2].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl6").style.visibility = "visible";
      document.getElementById("Wahl8").style.visibility = "visible";
     }
    if(document.forms[0].elements[4].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl9").style.visibility = "visible";
     }
   }
// choise c
  if(document.forms[0].elements[0].value == "c")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl7").style.visibility = "visible";
     }
    if(document.forms[0].elements[2].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl8").style.visibility = "visible";
     }
    if(document.forms[0].elements[3].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl7").style.visibility = "visible";
     }
    if(document.forms[0].elements[4].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl9").style.visibility = "visible";
     }
   }
// choise d
  if(document.forms[0].elements[0].value == "d")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl10").style.visibility = "visible";
     }
    if(document.forms[0].elements[2].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl8").style.visibility = "visible";
     }
    if(document.forms[0].elements[4].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl9").style.visibility = "visible";
     }
   }
// choise e
  if(document.forms[0].elements[0].value == "e")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl7").style.visibility = "visible";
     }
    if(document.forms[0].elements[2].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl8").style.visibility = "visible";
     }
    if(document.forms[0].elements[3].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl7").style.visibility = "visible";
     }
   }
// choise f
  if(document.forms[0].elements[0].value == "f")
   {
    if(document.forms[0].elements[1].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl10").style.visibility = "visible";
     }
    if(document.forms[0].elements[2].checked)
     {
      document.getElementById("Wahl5").style.visibility = "visible";
      document.getElementById("Wahl8").style.visibility = "visible";
     }

   }
 }