var path = String(document.location);
var match = path.match(/http:\/\/[^\/]+\/([A-Z_]+)/i);

var id;
if (match)
{
  id = match[1];
}
else
{
  id = "information";
}

function menu(id)
{
  var li = new obj(id);

  if (li.id)
  {
    var navigation = new obj("navigation");


    var navigation_ul = navigation.getElementsByTagName("ul")[0];
    var uls = navigation_ul.getElementsByTagName("ul");
    for (var i=0; i<uls.length; i++)
    {
      uls[i].style.display = "none";
      uls[i].parentNode.childNodes[0].style.backgroundImage = "";
      uls[i].parentNode.childNodes[0].style.backgroundColor = "";
    }

    li.childNodes[0].style.backgroundColor = "#c10";
    li.childNodes[0].style.backgroundImage = "url(/images/blackbar_over.jpg)";

    var ul_array = li.getElementsByTagName("ul");

    if (ul_array.length)
    {
      ul_array[0].style.display = "block";
    }
  }
}

menu(id);

function obj(name)
{
  return document.getElementById(name);
}