/**
 * jQuery Opacity Rollover plugin
 *
 * Copyright (c) 2009 Trent Foley (http://trentacular.com)
 * Licensed under the MIT License:
 *   http://www.opensource.org/licenses/mit-license.php
 */
;(function($) {
   var defaults = {
      mouseOutOpacity:   0.67,
      mouseOverOpacity:  1.0,
      fadeSpeed:         'fast',
      exemptionSelector: '.selected'
   };

   $.fn.opacityrollover = function(settings) {
      // Initialize the effect
      $.extend(this, defaults, settings);

      var config = this;

      function fadeTo(element, opacity) {
         var $target = $(element);
         
         if (config.exemptionSelector)
            $target = $target.not(config.exemptionSelector);   
         
         $target.fadeTo(config.fadeSpeed, opacity);
      }

      this.css('opacity', this.mouseOutOpacity)
         .hover(
            function () {
               fadeTo(this, config.mouseOverOpacity);
            },
            function () {
               fadeTo(this, config.mouseOutOpacity);
            });

      return this;
   };
})(jQuery);