[melky]

спизжено из Vkontakte COMMON.JS

лень самому писать. извините

var _cookies;

function _initCookies() {
  _cookies = {};
  var ca = document.cookie.split(';');
  var re = /^[\s]*([^\s]+?)$/i;
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i].split('=');
    if (c.length == 2) {
     _cookies[c[0].match(re)[1]] = unescape(c[1].match(re) ? c[1].match(re)[1] : '');
    }
  }
}


function getCookie(name) {
  _initCookies();
  return _cookies[name];
}


function setCookie(name, value, days) {
  var expires = '';
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    expires = '; expires='+date.toGMTString();
  }
  var domain = location.host;
  document.cookie = name + '='+escape(value) + expires + '; path=/' + (domain ? '; domain=.' + domain : '');
}


_initCookies();

setCookie( 'a', 'test', 1);


alert( getCookie( 'a' ) )