function switchlayer(Layer_Name)
{
  var GECKO = document.getElementById? 1:0 ;
  var NS = document.layers? 1:0 ;
  var IE = document.all? 1:0 ;

  if (GECKO)
       {document.getElementById(Layer_Name).style.display=
	   (document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';}
  else if (NS)
       {document.layers[Layer_Name].display=(document.layers[Layer_Name].display==
	   'block') ? 'none' : 'block';}
  else if (IE)
       {document.all[Layer_Name].style.display=(document.all[Layer_Name].style.display==
	   'block') ? 'none' : 'block';}
}


function Go (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["wtccfr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["wtccfr"].location.href = wert;
      select.form.reset();
      parent.frames["wtccfr"].focus();
    }
  }
}

function Go2 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["streckenfr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["streckenfr"].location.href = wert;
      select.form.reset();
      parent.frames["streckenfr"].focus();
    }
  }
}

function Go3 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["gripfr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["gripfr"].location.href = wert;
      select.form.reset();
      parent.frames["gripfr"].focus();
    }
  }
}
function Go4 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["bodenfr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["bodenfr"].location.href = wert;
      select.form.reset();
      parent.frames["bodenfr"].focus();
    }
  }
}
function Go5 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["schikanefr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["schikanefr"].location.href = wert;
      select.form.reset();
      parent.frames["schikanefr"].focus();
    }
  }
}
function Go6 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["kurvefr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["kurvefr"].location.href = wert;
      select.form.reset();
      parent.frames["kurvefr"].focus();
    }
  }
}
function Go7 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["vmaxfr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["vmaxfr"].location.href = wert;
      select.form.reset();
      parent.frames["vmaxfr"].focus();
    }
  }
}
function Go8 (select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    parent.frames["bremsefr"].focus();
    return;
  } else {
    if (wert == "ende") {
      top.location.href = parent.frames[1].location.href;
    } else {
      parent.frames["bremsefr"].location.href = wert;
      select.form.reset();
      parent.frames["bremsefr"].focus();
    }
  }
}