var MyCookie = 
{
  Write:function(name,value,days)
  {
    var D = new Date();
    D.setTime(D.getTime()+86400000*days)
    document.cookie = escape(name)+"="+escape(value)+((days == null)?"":(";expires="+D.toGMTString()))+";path=/";
    return (this.Read(name) == value);
  },
  Read:function(name)
  {
    var EN=escape(name)
    var F=' '+document.cookie+';', S=F.indexOf(' '+EN);
    return S==-1 ? null : unescape( F.substring(EN=S+EN.length+2,F.indexOf(';',EN)) );
  }
}