/*
 * jQuery NavDropDown v1.0.0 
 *
 * Copyright (c) 2008 Taranets Aleksey
 * www: markup-javascript.com
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

jQuery.fn.NavDropDown =
    function(j) 
    {
        var j = jQuery.extend({ duration: 300, hoverElement: 'li', dropHolder: 'div', hoverClass: 'hover', showEffect: 'slide' }, j);
        return this.each
        (
            function() 
            {
                var f = jQuery(this);
                var g = jQuery(j.hoverElement + ':has(' + j.dropHolder + ')', f);
                var h = j.duration;
                g.each
                (
                    function(i, a) 
                    {
                        a = jQuery(a);
                        var b = $(j.dropHolder + ' :first', a);
                        var c = $(j.dropHolder, a);
                        a.h = b.outerHeight();
                        var d = {};
                        var e = {};
                        
                        if (j.showEffect == 'slide') 
                        {
                            c.css({ 'height': 0, 'overflow': 'hidden' });
                            b.css({ 'marginTop': -a.h, 'overflow': 'hidden' });
                            d.SE = { height: a.h };
                            d.ME = { marginTop: 0 };
                            e.SE = { height: 0 };
                            e.ME = { marginTop: -a.h }
                        }
                        
                        if (j.showEffect == 'fade') 
                        {
                            c.css({ 'opacity': 0 });
                            d.SE = { opacity: 1 };
                            e.SE = { opacity: 0 };
                            d.ME = {};
                            e.ME = {}
                        }

                        if (j.showEffect == 'slide&fade') 
                        {
                            c.css({ 'height': 0, 'overflow': 'hidden', 'opacity': 0 });
                            b.css({ 'marginTop': -a.h, 'overflow': 'hidden' });
                            d.SE = { height: a.h, opacity: 1 };
                            d.ME = { marginTop: 0 };
                            e.SE = { height: 0, opacity: 0 };
                            e.ME = { marginTop: -a.h }
                        }
                        
                        a.hoverEl = false;
                        a.hover
                        (
                            function() 
                            {
                                if (this.timer)
                                    clearTimeout(this.timer);
                                a.hoverEl = true;
                                $(this).addClass(j.hoverClass);
                                c.animate(d.SE, { queue: false, duration: h });
                                b.animate(d.ME, { queue: false, duration: h })
                            },
                            function() 
                            {
                                this.timer = setTimeout
                                (
                                    function() 
                                    {
                                        a.hoverEl = false;
                                        b.animate(e.ME, { queue: false, duration: h });
                                        c.animate(e.SE,
                                                    {
                                                        queue: false, duration: h, complete:
                                                        function() 
                                                        {
                                                            if (!a.hoverEl) $(a).removeClass(j.hoverClass)
                                                        }
                                                    }
                                                 )
                                    }
                                    , 100
                                )
                            }
                        )
                    }
                )
            }
        )
    };