var TreeMenu = {
    showCities : function(id) {
        $$('#treeMenu a.city').each(function(e) {
            e.hide();
        });
        var country = $('country_'+id);
        var e = country.next('a');
        while (e.hasClassName('city')) {
            e.show();
            e = e.next('a');
        }
    },
    
    showStoreGroup : function(id) {
        $$('.storeGroup').each(function(e) {
            e.hide();
        })
        $('storeGroup_'+id).show();
        $('selectedStoreGroup').value = id;
        var scrollDiv = $('stores');
		if(scrollDiv.scrollUpdate) scrollDiv.scrollUpdate();
    }
}