function PopUp(site)
{
  window.open( site, "myWindow", 
  "status = 0, resizable = 0" );  
}

function fixLinks()
{
  if (!document.getElementsByTagName) return null;
  var server = document.location.hostname;
  var anchors = document.getElementById('menu').getElementsByTagName("a");
  for(var i=0; i<anchors.length ; i++)
  {
    var a = anchors[i];
    var href = a.href;
    var id = a.id;
    var title = a.title;
    if (href.indexOf("#header") != -1) { // back to top
      a.className = "alt";
    } else if ((href.indexOf("#") != -1) && (href.indexOf("header") == -1)) { // jump ref
      var index = href.indexOf("#") + 1;
      href = "javascript:show('" + href.substring(index) + "');";
      a.setAttribute("href",href);
    }
  }
}


function hideDivs(exempt)
{
  if (!document.getElementsByTagName) return null;
  if (!exempt) exempt = "";
  var divs = document.getElementsByTagName("li");
  for(var i=0; i < divs.length; i++)
  {
    var div = divs[i];
    var id = div.id;
    if ((id != "menu") && (id != "") &&(id != exempt))
    {
      div.className = "hidden";
    }
  }
 
  if ( exempt == "cat7" ) // empty category
  {
    document.getElementById("sidenav").style.display = "none";
  } else
  {
    document.getElementById("sidenav").style.display = "block";	
  }
}

function show(what)
{
  if (!document.getElementById) return null;
  showWhat = document.getElementById(what);
  showWhat.className = "submenu";
  hideDivs(what);
}