/*
* 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  : 'selected',
    pathLevels  : 0,
    delay    : 800,
    animation  : {opacity:'show',height:'show'},
    speed    : 'fast',
    autoArrows  : false,
    dropShadows : false,
    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);