function login(userElem,pwdElem)
{
   try {
      var x = window.XMLHttpRequest ?
         new XMLHttpRequest() :
         new ActiveXObject("MSXML2.XMLHTTP.3.0");
      x.open("HEAD",
      "/rtl/protected/",
      false,
      document.getElementById(userElem).value,
      document.getElementById(pwdElem).value);
      x.setRequestHeader("PrefAuth","digest");
      x.send("");
      window.location.reload();
   }
   catch(e) {
      alert("cannot login using digest authentication:\n"+e);
   }
   return false;
};

function contactUs(id)
{
   var el=$('#'+id);
   $("<div></div>").load("/feedbackform.lsp",function(){$("#feedbackform").fadeIn('slow');}).insertAfter(el.parent());
   el.replaceWith(el.html());
   return false;
};