/*
 * 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);