var currentItem = null;
function selectItem (current)
{
  current.className = "menuItem menuItemSelect";
}

function unselectItem (current)
{
  if (current != currentItem)
    current.className = "menuItem";
}

function clickItem (current, url)
{
  if (typeof (url) == "string" && url != "")
  {
    gotoPage (url);
    var prev = currentItem;
    currentItem = current;
    if (prev)
      unselectItem (prev);
  }
}

function startpagina ()
{
  if (document.getElementById("startpagina") != "undefined")
  {
    selectItem (document.getElementById("startpagina"));
    $("#startpagina").click();
  }
}