Javascript Objects and Hashes

Employee = {
  New: function(fname,lname,em) {
     return {
        first: fname,
        last: lname,
        email: em,
        displayName: function() {
          return this.last + ', ' + this.first
        },
        sig: function() {
          return this.displayName() + ' ' + this.email
        }
     }
   }
}
var tim = Employee.New('Tim', 'Hoolihan','tim@hoolihan.net')
tim.sig()