(function($) {
  $.fn.table_highlighter = function(options){
    // default settings
    var settings = {
      activeClass : 'active'
    };
    //extending options
    options = options || {};
    $.extend(settings, options);
 
    this.each(function(table){
      $(table).find('tr').live('mouseover',
        function(){
          $(this).addClass(settings.activeClass);
        });
      $(table).find('tr').live('mouseout',  
        function(){
          $(this).removeClass(settings.activeClass);
        }
      );
    });
  }
})(jQuery);