Cookies = {
  create : function (name,value,days){
    if (days){
      var date = new Date();
      date.setTime(date.getTime()+(days*24*60*60*1000));
      var expires = "; expires="+date.toGMTString();
    }else var expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
  },

  read : function read(name){
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++){
      var c = ca[i];
      while (c.charAt(0)==' ') c = c.substring(1,c.length);
	if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
      }
      return null;
  },

  erase : function (name){
    this.create(name,"",-1);
  }
}