function nav_select()
{
  el=document.getElementById("navselect");
  if(el)
  {
    window.location.href="content.php?id="+el[el.selectedIndex].value;
  }
  return false;
}
function fav()
{
  url = location.href;
  title = document.title;
  
  //Gecko
  if ((typeof window.sidebar == "object") && (typeof window.sidebar.addPanel == "function")) window.sidebar.addPanel (title, url, "");
  //IE4+
  else if (typeof window.external == "object") window.external.AddFavorite(url, title);
  //Opera7+
  else if (window.opera && document.createElement)
  {
    var a = document.createElement('A');
    if (!a) return false; //IF Opera 6
    a.setAttribute('rel','sidebar');
    a.setAttribute('href',url);
    a.setAttribute('title',title);
    a.click();
  }
  else return false;  
  return true;
}
function address_submit()
{
  el=document.getElementById("addressform");
  if(el)
  {
    el.submit();
  }
  return false;
}
function address_submit_on_enter(evt)
{
    evt = (evt) ? evt : ((window.event) ? event : null);
    if(evt)
    {
      if(evt.keyCode==13) address_submit();
    }
}