/*
 * 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){

      $(this).children('li.nav_dropdown').each(function(index){
         $(this).children('ul').css('width', ($(this).width() - 2) + 'px');
      });

      var sf = $.fn.superfish;
      var c = sf.c;
      var $arrow = $(['<span class="',c.arrowClass,'"> &#187;</span>'].join(''));
      var over = function(){
            var $$ = $(this), menu = getMenu($$);
            //clearTimeout(menu.sfTimer);
            $$.showSuperfishUl().siblings().hideSuperfishUl();
         };
      var out = function(){
            var $$ = $(this), menu = getMenu($$), o = sf.op;
            o.retainPath=($.inArray($$[0],o.$path)>-1);
            $$.hideSuperfishUl();
            if ((o.$path.length) && ($$.parents(['li.',o.hoverClass].join('')).length<1))
            {
               over.call(o.$path);
            }
/*
            clearTimeout(menu.sfTimer);
            menu.sfTimer=setTimeout(function(){
               o.retainPath=($.inArray($$[0],o.$path)>-1);
               $$.hideSuperfishUl();
               if (o.$path.length && $$.parents(['li.',o.hoverClass].join('')).length<1){over.call(o.$path);}
            },o.delay);
*/
         };
      var getMenu = function($menu){
            var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
            sf.op = sf.o[menu.serial];
            return menu;
         };
      var addArrow = function($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      : 0,
      animation   : {opacity:'show'},
      speed      : 400,
      autoArrows   : false,
      dropShadows : false,
      disableHI   : true,      // 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);

//         if ($.browser.msie)
//         {
//            $ul.slideDown(o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
/*
            var ul_width = $ul.width();
            $ul.css({'width':'1px', 'opacity':'0'});
            $ul.animate({"width": ul_width, 'opacity': '1'}, "fast");
*/
            $ul.show(0,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
//         }
//         else
//         {
//            $ul.fadeIn(o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
//            //$ul.animate(o.animation,o.speed,function(){ sf.IE7fix.call($ul); o.onShow.call($ul); });
//         }
         return this;
      }
   });

})(jQuery);