Ext.setup({
    tabletStartupScreen: 'tablet_startup.png',
    phoneStartupScreen: 'phone_startup.png',
    icon: 'icon.png',
    glossOnIcon: false,
    onReady: function(){
        var picker = new Ext.Picker({
            slots: [{
                name: 'limit_speed',
                title: 'Speed',
                data: [{
                    text: '100 KB/s',
                    value: 100
                }, {
                    text: '200 KB/s',
                    value: 200
                }]
            }]
        });
        picker.show();
    }
});