(function(){  
 jQuery.fn.menuout = function() {  

	var menu_items=$(this);
  
    return this.each(function() {  
		menu_item = $(this);
		if(menu_item.hasClass('current_menu_item'))
			return;
		var on_filename = menu_item.attr('src');
		var on_filename_array = on_filename.split('.');
		var on_prefix = on_filename_array[0];
		var on_suffix = on_filename_array[1];
		var on_prefix_length = on_prefix.length;
		var trim_to = on_prefix_length-3;
		var off_filename = on_prefix.substring(0, trim_to) + "." + on_suffix;
		menu_item.attr('src', off_filename);
		return menu_items;
    });  
 };  
})(jQuery);