<!--
$.fn.tab = function ($labels, selectedIndex) {
    var $contents = this;
    var selectedClass = 'hover';
    var index = selectedIndex || 0;
    $labels.eq(index).addClass(selectedClass);
    $contents.removeClass(selectedClass).hide();
    $contents.eq(index).addClass(selectedClass).show();
    if ($labels.length < 2) return;
    $labels.click(function(event) {
        var $this = $(this);
        if ($this.hasClass(selectedClass)) return;
        $labels.removeClass(selectedClass);
        $this.addClass(selectedClass);
        $contents.removeClass(selectedClass).hide();
        var index = $labels.index(this);
        $contents.eq(index).addClass(selectedClass).show();
    });
    return this;
};
//-->