// Usage:
// 
// Event.onReady(function() {
//     new Fb20CurrentPage('/pages/my_page', 'my_page');
// });

var Fb20CurrentPage = Class.create({
    initialize: function(page, class_name, balise) {
        if (!balise)
            balise = 'globalnav';
        if (document.location.pathname == page)
            if ($(balise))
                $(balise).className = class_name;
    }
});