registerEnum

Costco.ASPAJAX.Samples = function(name)
{
this._name = name;
}
Costco.ASPAJAX.Samples.MusicGenre = function ()
{
throw Error.invalidOperation();
}
Costco.ASPAJAX.Samples.MusicGenre.prototype = {
Blues: 1,
Classical:2,
Elevtronic: 3
}
Costco.ASPAJAX.Samples.MusicGenre.registerEnum('Costco.ASPAJAX.Samples.MusicGenre');
var genre = Costco.ASPAJAX.Samples.MusicGenre.Blues;
alert(Costco.ASPAJAX.Samples.MusicGenre.toString(genre));
alert(genre == Costco.ASPAJAX.Samples.MusicGenre.Blues)
genre = 10;
alert(Costco.ASPAJAX.Samples.MusicGenre.toString(genre));