var secretPassword = "brass";

var loginPage = "members.html";
var memberPage = "memlist.html";

var cookiename = "security";
var cookievalue = "cord812";
var cookievalues = "_cord812_";
var cookieexpires = 0; // number of days to expire

function login()
{
  var p = document.getElementById("password");

  if (p.value == secretPassword)
  {
    createCookie(cookiename, cookievalue, cookieexpires); // assigns role to cookie value
    GoToURL(memberPage);

    return false;
  }

  eraseCookie(eraseCookie(cookiename));
  GoToURL(loginPage);
  return false;
}

function isLoggedIn()
{
  var cookievalue = readCookie(cookiename);

  if (cookievalues.indexOf(cookievalue, 0) > -1)
  {
    return true;
  }
  return false;
}

function GoToURL(gotoURL)
{
  var location = (gotoURL);
  this.location.href = location;
}

function createCookie(name, value, days)
{
  if (days)
  {
    var date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    var expires = "; expires=" + date.toGMTString();
  }
  else
    var expires = "";
  document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name)
{
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for ( var i = 0; i < ca.length; i += 1)
  {
    var c = ca[i];
    while (c.charAt(0) == ' ')
      c = c.substring(1, c.length);
    if (c.indexOf(nameEQ) == 0)
      return c.substring(nameEQ.length, c.length);
  }
  return null;
}

function eraseCookie(name)
{
  createCookie(name, "", -1);
}