function getCookie( name ) {
  var start = document.cookie.indexOf( name + "=" );
  var len = start + name.length + 1;
  if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
    return null;
  }
  if ( start == -1 ) return null;
  var end = document.cookie.indexOf( ";", len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  }
  else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function load_index_login() {
  var cookie =  getCookie('index_hoycinema');
  if (!cookie) { return; }
  var has_friends_pos = cookie.indexOf('has_friends:');
  var username = cookie.slice(9,has_friends_pos);
  var has_friends = parseInt(cookie.slice(cookie.indexOf(username)+username.length+12,cookie.indexOf(username)+username.length+13));
  var mydiv = document.getElementById('caja-login');
  if (!mydiv) { return; }
  mydiv.innerHTML = '';
  var mytext = document.createTextNode("Hola " + username + "! ");
  var link = document.createElement("a");
  link.href = "login/authenticated";
  link.appendChild(document.createTextNode('¿Quieres postear en tu blog?'));
  mydiv.appendChild(mytext);
  mydiv.appendChild(link);
  var mytext2 = document.createTextNode(" | ");
  mydiv.appendChild(mytext2);
  var link = document.createElement("a");
  link.href = "login/logout";
  link.appendChild(document.createTextNode('Salir'));
  mydiv.appendChild(link);
}