function openWindow (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=350,height=500,left=100,top=200,scrollbars=yes");
  Fenster1.focus();
}

function nachfrage(url, objekt)
{
  var name=confirm("Delete "+objekt+"?")
  if (name==true)
  {
    window.location.href = url;
  }
}

function klappen (id)
{
    if (document.getElementById(id).style.display == 'none')
    {
        document.getElementById(id).style.display = "";
        document.getElementById("img_" + id).src = "minus.gif";
    }
    else
    {
        document.getElementById(id).style.display = "none";
        document.getElementById("img_" + id).src = "plus.gif";
    }
}

function show_hide (id)
{
    if (document.getElementById(id).style.display == 'none')
    {
        document.getElementById(id).style.display = "";
    }
    else
    {
        document.getElementById(id).style.display = "none";
    }
}

function textfeld(id, text)
{
  if (document.getElementById(id).value==text)document.getElementById(id).value="";
}