var domain = window.location.host.substr(window.location.host.lastIndexOf(".", window.location.host.lastIndexOf(".")-1));

function Cookie(name, value)

{

  this.name = name;

  this.value = value;

  this.path = "/";

  this.domain = domain;

  this.CookieSet = CookieSet;

  return this;

}

function CookieSet()

{

  var c = "";

  c += this.name + "=" + escape(this.value);

  if (this.expires != null) {

    c += "; expires=" + this.expires.toGMTString();

  } else {

    c += "; expires=" + (new Date("2010", "0", "1")).toGMTString();	

  }	

  if (this.path != null)  

    c += "; path=" + this.path;

  if (this.domain != null)  

    c += "; domain=" + this.domain;

  document.cookie = c;

}

function CookieDelete(name)

{

    var c = "";

    c += name + "=";

    c += "; path=/";

    c += "; domain=" + domain;

    c += "; expires=" + new Date(1970, 1, 1, 0, 0, 0).toGMTString();

    document.cookie = c;

}