function Cookie (document, name, hours, path, domain, secure)
{
  this.$document = document;
  this.$name = name;
  if (hours)
    this.$expiration = new Date((new Date()).getTime() + hours*3600000);
  else
    this.$expiration = null;

  if (path) this.$path = path;
  else this.$path = null;

  if (domain) this.$domain = domain;
  else (this.$domain) = null;

  if (secure) this.$secure = true;
  else this.$secure = false;

  this.load = _Cookie_load;
  this.store = _Cookie_store;
  this.remove = _Cookie_remove;
}


function _Cookie_store()
{
  var cookieval = "";
  for (var prop in this)
  {
    if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function'))
      continue;
    if (cookieval != "") cookieval += '&';
    cookieval += prop + ':' + escape(this[prop]);
  }
  var cookie = this.$name + '=' + cookieval;
  if (this.$expiration)
    cookie += '; expires=' + this.$expiration.toGMTString();
  if (this.$path) cookie += '; path='+this.$path;
  if (this.$domain) cookie += '; domain='+this.$domain;
  if (this.$secure) cookie += '; secure';
  this.$document.cookie = cookie;
}

function _Cookie_load()
{
  var allCookies = this.$document.cookie;
  if (allCookies == '') return false;
  var start = allCookies.indexOf(this.$name + '=');
  if (start < 0) return false;
  start += this.$name.length + 1;
  var end = allCookies.indexOf(';', start);
  if (end < 0) end = allCookies.length;
  var cookieval = allCookies.substring(start, end);
  var a = cookieval.split('&');
  for (var i = 0; i < a.length; i++)
    a[i] = a[i].split(':');
  for (var i =  0; i < a.length; i++)
    this[a[i][0]] = unescape(a[i][1]);
  return true;
}


function _Cookie_remove()
{
  var cookie;
  cookie = this.$name + '=';
  if (this.$path) cookie += '; path='+ this.$path;
  if (this.domain) cookie += '; domain='+ this.$domain;
  cookie += '; expires=Fri, 02-Jan-1970 00:00:00 GMT';
  this.$document.cookie = cookie;
}