/*
Toggle Layer Visibility
© Eddie Traversa (nirvana.media3.net)
*/

function toggleVisibility(id, NNtype, IEtype, WC3type) {
 if (document.getElementById)
 {
   eval("document.getElementById(id).style.visibility = \"" + WC3type + "\"");
 }
 else
 {
    if (document.layers)
    {
       document.layers[id].visibility = NNtype;
    }
    else
    {
       if (document.all)
       {
        eval("document.all." + id + ".style.visibility = \"" + IEtype + "\"");
       }
    }
  }
}