function switchTab(tabBarId, tabIndex) {
    var tabs = $$("#" + tabBarId + " .basictab li");
    var tabContents = $$("#" + tabBarId + " ." + tabBarId + "Content");
    for (var i = 0; i < tabs.size(); i++) {
        if (i == tabIndex) {
            tabs[i].className = "selected";
            tabs[i].blur();
            tabContents[i].show();
        } else {
            tabs[i].className = "";
            tabContents[i].hide();
        }
    }
}