id(('#captchaImg_reg')) ;
//头部更多显示
('#gengduo').mouseover(fun (){
("#gengduo").attr('css', 'sp_more m2');
("#nav_s1").sho();
});
('#gengduo').mouseout(fun (){
("#gengduo").attr('css', 'sp_more');
("#nav_s1").hide();
});
//头部更多显示end
//头部我的书架
('#jilu').mouseover(fun (){
("#jilu").attr('css', 'sp_more m2');
("#nav_s4").sho();
});
('#jilu').mouseout(fun (){
("#jilu").attr('css', 'sp