// JavaScript Document

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

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = dc.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
	setCookie(name, "", -1, path, domain);
}


function addCookieList(name, value, days, path, domain, secure) {
	if (a = getCookie(name)) a = a.evalJSON();
	if (!Object.isArray(a)) a = new Array();
	if (a.indexOf(value) == -1) a.push(value);
	setCookie(name, a.toJSON(), days, path, domain, secure);
}

function removeCookieList(name, value, days, path, domain, secure) {
	if (a = getCookie(name)) a = a.evalJSON();
	if (!Object.isArray(a)) {
		deleteCookie(name, path, domain);
		return;
	} else if ((i = a.indexOf(value)) != -1) {
		a.splice(i, 1);
		if (!a.size()) deleteCookie(name, path, domain);
		else setCookie(name, a.toJSON(), days, path, domain, secure);
	} 
}

function inCookieList(name, value) {
	if (a = getCookie(name)) a = a.evalJSON();
	return Object.isArray(a) && a.indexOf(value) != -1;
}