/*
 * Superfish v1.4.1 - jQuery menu widget
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 * 	http://www.opensource.org/licenses/mit-license.php
 * 	http://www.gnu.org/licenses/gpl.html
 *
 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
 */
(function($){
    $.superfish = {};
    $.superfish.o = [];
    $.superfish.op = {};
    $.superfish.defaults = {
        hoverClass: 'sfHover',
        pathClass: 'overideThisToUse',
        delay: 800,
        animation: {
            opacity: 'show'
        },
        speed: 'normal',
        oldJquery: false, /* set to true if using jQuery version below 1.2 */
        disableHI: false, /* set to true to disable hoverIntent usage */
        // callback functions:
        onInit: function(){
        },
        onBeforeShow: function(){
        },
        onShow: function(){
        }, /* note this name changed ('onshow' to 'onShow') from version 1.4 onward */
        onHide: function(){
        }
    };
    $.fn.superfish = function(op){
        var bcClass = 'sfbreadcrumb', over = function(){
            var $$ = $(this), menu = getMenu($$);
            getOpts(menu, true);
            clearTimeout(menu.sfTimer);
            $$.showSuperfishUl().siblings().hideSuperfishUl();
        }, out = function(){
            var $$ = $(this), menu = getMenu($$);
            var o = getOpts(menu, true);
            clearTimeout(menu.sfTimer);
            if (!$$.is('.' + bcClass)) {
                menu.sfTimer = setTimeout(function(){
                    $$.hideSuperfishUl();
                    if (o.$path.length) {
                        over.call(o.$path);
                    }
                }, o.delay);
            }
        }, getMenu = function($el){
            return $el.parents('ul.superfish:first')[0];
        }, getOpts = function(el, menuFound){
            el = menuFound ? el : getMenu(el);
            return $.superfish.op = $.superfish.o[el.serial];
        }, hasUl = function(){
            return $.superfish.op.oldJquery ? 'li[ul]' : 'li:has(ul)';
        };
        
        return this.each(function(){
            var s = this.serial = $.superfish.o.length;
            var o = $.extend({}, $.superfish.defaults, op);
            o.$path = $('li.' + o.pathClass, this).each(function(){
                $(this).addClass(o.hoverClass + ' ' + bcClass).filter(hasUl()).removeClass(o.pathClass);
            });
            $.superfish.o[s] = $.superfish.op = o;
            
            $(hasUl(), this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over, out).not('.' + bcClass).hideSuperfishUl();
            
            var $a = $('a', this);
            $a.each(function(i){
                var $li = $a.eq(i).parents('li');
                $a.eq(i).focus(function(){
                    over.call($li);
                }).blur(function(){
                    out.call($li);
                });
            });
            
            o.onInit.call(this);
            
        }).addClass('superfish');
    };
    
    $.fn.extend({
        hideSuperfishUl: function(){
            var o = $.superfish.op, $ul = $('li.' + o.hoverClass, this).add(this).removeClass(o.hoverClass).find('>ul').hide().css('visibility', 'hidden');
            o.onHide.call($ul);
            return this;
        },
        showSuperfishUl: function(){
            var o = $.superfish.op, $ul = this.addClass(o.hoverClass).find('>ul:hidden').css('visibility', 'visible');
            o.onBeforeShow.call($ul);
            $ul.animate(o.animation, o.speed, function(){
                o.onShow.call(this);
            });
            return this;
        }
    });
    
    $(window).unload(function(){
        $('ul.superfish').each(function(){
            $('li', this).unbind('mouseover', 'mouseout', 'mouseenter', 'mouseleave');
        });
    });
})(jQuery);