/*
 * Superfish v1.4.8 - 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($) {
    $.fn.superfish = function(op) {

        var sf = $.fn.superfish,
                c = sf.c,
                $arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join('')),
                over = function() {
                    var $$ = $(this), menu = getMenu($$);
                    clearTimeout(menu.sfTimer);
                    $$.showSuperfishUl().siblings().hideSuperfishUl();
                },
                out = function() {
                    var $$ = $(this), menu = getMenu($$), o = sf.op;
                    clearTimeout(menu.sfTimer);
                    menu.sfTimer = setTimeout(function() {
                        o.retainPath = ($.inArray($$[0], o.$path) > -1);
                        $$.hideSuperfishUl();
                        if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length < 1) {
                            over.call(o.$path);
                        }
                    }, o.delay);
                },
                getMenu = function($menu) {
                    var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
                    sf.op = sf.o[menu.serial];
                    return menu;
                },
                addArrow = function($a) {
                    $a.addClass(c.anchorClass).append($arrow.clone());
                };

        return this.each(function() {
            var s = this.serial = sf.o.length;
            var o = $.extend({}, sf.defaults, op);
            o.$path = $('li.' + o.pathClass, this).slice(0, o.pathLevels).each(function() {
                $(this).addClass([o.hoverClass,c.bcClass].join(' '))
                        .filter('li:has(ul)').removeClass(o.pathClass);
            });
            sf.o[s] = sf.op = o;

            $('li:has(ul)', this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over, out).each(function() {
                if (o.autoArrows) addArrow($('>a:first-child', this));
            })
                    .not('.' + c.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);

        }).each(function() {
            var menuClasses = [c.menuClass];
            if (sf.op.dropShadows && !($.browser.msie && $.browser.version < 7)) menuClasses.push(c.shadowClass);
            $(this).addClass(menuClasses.join(' '));
        });
    };

    var sf = $.fn.superfish;
    sf.o = [];
    sf.op = {};
    sf.IE7fix = function() {
        var o = sf.op;
        if ($.browser.msie && $.browser.version > 6 && o.dropShadows && o.animation.opacity != undefined)
            this.toggleClass(sf.c.shadowClass + '-off');
    };
    sf.c = {
        bcClass     : 'sf-breadcrumb',
        menuClass   : 'sf-js-enabled',
        anchorClass : 'sf-with-ul',
        arrowClass  : 'sf-sub-indicator',
        shadowClass : 'sf-shadow'
    };
    sf.defaults = {
        hoverClass    : 'sfHover',
        pathClass    : 'overideThisToUse',
        pathLevels    : 1,
        delay        : 800,
        animation    : {opacity:5},
        speed        : 0,
        autoArrows    : true,
        dropShadows : true,
        disableHI    : false,        // true disables hoverIntent detection
        onInit        : function() {
        }, // callback functions
        onBeforeShow: function() {
        },
        onShow        : function() {
        },
        onHide        : function() {
        }
    };
    $.fn.extend({
        hideSuperfishUl : function() {
            var o = sf.op,
                    not = (o.retainPath === true) ? o.$path : '';
            o.retainPath = false;
            var $ul = $(['li.',o.hoverClass].join(''), this).add(this).not(not).removeClass(o.hoverClass)
                    .find('>ul').hide().css('visibility', 'hidden');            
            o.onHide.call($ul);            
            return this;
        },
        showSuperfishUl : function() {
            var o = sf.op,
                    sh = sf.c.shadowClass + '-off',
                    $ul = this.addClass(o.hoverClass)
                            .find('>ul:hidden').css('visibility', 'visible');
            sf.IE7fix.call($ul);
            o.onBeforeShow.call($ul);
            $ul.show(o.speed, function() {
                sf.IE7fix.call($ul);
                o.onShow.call($ul);
            });
            return this;
        }
    });

})(jQuery);