HP und Cookies

<script>
function getNickAndPwd()
{
  if (document.cookie)
  {
    var aValues = document.cookie.split(";");
    for (var i=aValues.length-1; i>=0;  i--)
    {
      var aItem = aValues[i].split("=");
      var cookieName = ""+aItem[0];
      if ((cookieName.length > 0) && (cookieName.charAt(0) == " "))
      {
       cookieName = cookieName.substring(1);
      }
      var pwd = aItem[1] ? decode(""+aItem[1]) : "";
      if ((cookieName == "pwdHash") && (pwd.indexOf('|') >= 0))
      {
        var nickAndPwd = pwd.split("|");
        document.cookie = "pwdHash=;"; // delete value
        return nickAndPwd;
      }
    }
  }
  return new Array("", "");
}

var np = getNickAndPwd();

authorNick = np[0];
authorPassword = np[1];

if (authorNick.length > 0) {

  document.write('<INPUT TYPE=hidden id="name" NAME=name value="">');
  document.write('<INPUT TYPE=hidden id="passwort" NAME=passwort value="">');

  if (document.getElementById) {


    document.getElementById('name').value = authorNick;
    document.getElementById('passwort').value = authorPassword;

  } else {

    document.forms[0].name.value = authorNick;
    document.forms[0].passwort.value = authorPassword;

  }
}

</script>