/*
 * Superfish v1.4.1 - 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($){
  $.superfish = {};
  $.superfish.o = [];
  $.superfish.op = {};
  $.superfish.defaults = {
    hoverClass  : 'sfHover',
    pathClass : 'overideThisToUse',
    delay   : 800,
    animation : {opacity:'show'},
    speed   : 'normal',
    oldJquery : false, /* set to true if using jQuery version below 1.2 */
    disableHI : false, /* set to true to disable hoverIntent usage */
    // callback functions:
    onInit    : function(){},
    onBeforeShow: function(){},
    onShow    : function(){}, /* note this name changed ('onshow' to 'onShow') from version 1.4 onward */
    onHide    : function(){}
  };
  $.fn.superfish = function(op){
    var bcClass = 'sfbreadcrumb',
      over = function(){
        var $$ = $(this), menu = getMenu($$);
        getOpts(menu,true);
        clearTimeout(menu.sfTimer);
        $$.showSuperfishUl().siblings().hideSuperfishUl();
      },
      out = function(){
        var $$ = $(this), menu = getMenu($$);
        var o = getOpts(menu,true);
        clearTimeout(menu.sfTimer);
        if ( !$$.is('.'+bcClass) ) {
          menu.sfTimer=setTimeout(function(){
            $$.hideSuperfishUl();
            if (o.$path.length){over.call(o.$path);}
          },o.delay);
        }   
      },
      getMenu = function($el){ return $el.parents('ul.superfish:first')[0]; },
      getOpts = function(el,menuFound){ el = menuFound ? el : getMenu(el); return $.superfish.op = $.superfish.o[el.serial]; },
      hasUl = function(){ return $.superfish.op.oldJquery ? 'li[ul]' : 'li:has(ul)'; };

    return this.each(function() {
      var s = this.serial = $.superfish.o.length;
      var o = $.extend({},$.superfish.defaults,op);
      o.$path = $('li.'+o.pathClass,this).each(function(){
        $(this).addClass(o.hoverClass+' '+bcClass)
          .filter(hasUl()).removeClass(o.pathClass);
      });
      $.superfish.o[s] = $.superfish.op = o;
      
      $(hasUl(),this)[($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'](over,out)
      .not('.'+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);
      
    }).addClass('superfish');
  };
  
  $.fn.extend({
    hideSuperfishUl : function(){
      var o = $.superfish.op,
        $ul = $('li.'+o.hoverClass,this).add(this).removeClass(o.hoverClass)
          .find('>ul').hide().css('visibility','hidden');
      o.onHide.call($ul);
      return this;
    },
    showSuperfishUl : function(){
      var o = $.superfish.op,
        $ul = this.addClass(o.hoverClass)
          .find('>ul:hidden').css('visibility','visible');
      o.onBeforeShow.call($ul);
      $ul.animate(o.animation,o.speed,function(){ o.onShow.call(this); });
      return this;
    }
  });
  
  $(window).unload(function(){
    $('ul.superfish').each(function(){
      $('li',this).unbind('mouseover','mouseout','mouseenter','mouseleave');
    });
  });
})(jQuery);