/*
 * 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,'"></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);