/*
* 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: 'show' },
		speed: 'normal',
		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);
			$ul.animate(o.animation, o.speed, function() { sf.IE7fix.call($ul); o.onShow.call($ul); });
			return this;
		}
	});

})(jQuery);