/*------------------------------------------------------------
* Description：Special effects of the website, based on JQuery
* Author：Gavin
* E-mail: shengzhizhang@gmail.com
* Created On：2008-10-27
* Last modification On：2010-01-27 
------------------------------------------------------------*/
$(document).ready(function(){
    
    $("#mainNav ul").not(":has(li)").remove();
    $("#mainNav > ul > li").hover(
        function(){
            $(this).children("ul").show().end()
            .children("a").addClass("active"); 
        },
        function(){
            $(this).children("ul").hide().end()
            .children("a").removeClass("active"); 
        }
    );
	
});