/* util.js */

YAHOO.namespace("YAHOO.DaveRoseman.Util");
YAHOO.DaveRoseman.Util.app = function() 
{
  return {    
    setCookie: function(c_name,value,expiredays)
    {
      var exdate=new Date();
      exdate.setDate(exdate.getDate()+expiredays);
      document.cookie=c_name+ "=" +escape(value)+
        ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
     },
     
    readCookie:function(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;
    },

    eraseCookie:function(name)
    {
      YAHOO.DaveRoseman.Util.app.setCookie(name,"",-1);
    }
  };
}();