/*
 * 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);