// tabs - jQuery plugin for accessible, unobtrusive tabs by Klaus Hartl
// http://stilbuero.de/tabs/
// Free beer and free speech. Enjoy!
$.tabs = function(containerId, start) {
    var ON_CLASS = 'on';
    var id = '#' + containerId;
    var i = (typeof start == "number") ? start - 1 : 0;
    $(id + '>div:lt(' + i + ')').add(id + '>div:gt(' + i + ')').hide();
    $(id + '>ul>li:nth-child(' + i + ')').addClass(ON_CLASS);
    $(id + '>ul>li>a').click(function() {
        if (!$(this.parentNode).is('.' + ON_CLASS)) {
            var re = /([_\-\w]+$)/i;
            var target = $('#' + re.exec(this.href)[1]);
            if (target.size() > 0) {
                $(id + '>div:visible').hide();
                target.show();
                $(id + '>ul>li').removeClass(ON_CLASS);
                $(this.parentNode).addClass(ON_CLASS);
            } else {
                alert('There is no such container.');
            }
        }
        return false;
    });
};

// Script for Seletion of tab

$.fn.tabs = function(options) {
    // basic stuff
    var ON_CLASS = 'on';
    var OFF_CLASS = 'tabs-hide';
    // options
    var on = options && options.on && (typeof options.on == 'number' && options.on > 0) ? options.on - 1 : 0;
    return this.each(function() {
        $(this).find('>div').not(':eq(' + on + ')').addClass(OFF_CLASS);
        $(this).find('>ul>li:eq(' + on + ')').addClass(ON_CLASS);
        var container = this;
        $(this).find('>ul>li>a').click(function() {
            if (!$(this.parentNode).is('.' + ON_CLASS)) {
                var re = /([_\\-\\w]+$)/i;
                var target = $('#' + re.exec(this.href)[1]);
                if (target.size() > 0) {
                    $(container).find('>div:visible').addClass(OFF_CLASS);
                    target.removeClass(OFF_CLASS);
                    $(container).find('>ul>li').removeClass(ON_CLASS);
                    $(this.parentNode).addClass(ON_CLASS);
                } else {
                    alert('There is no such container.');
                }
            }
            return false;
        });
    });
};