var JumpSelect = new Class({
    initialize: function(jumper_id) {
        var jumper = $(jumper_id);
        if (jumper) {
            jumper.addEvent('change', function (evt) {
                var value = jumper.options[jumper.selectedIndex].value;
                if (value != "") document.location.href = value;
            });
        }
    }
});