?s2.add(2000,function(){

?g('zongzi').className = 'zongzi zongzi-out';

?g('zongzirou').className = 'zongzirou zongzirou-in';?

?g('zuoye').className = 'zuoye zuoye-in';

?g('youye').className = 'youye youye-in';

?})

?s2.add(2500,function(){

?g('zuoye').className = 'zuoye zuoye-in zuoye-out';

?g('youye').className = 'youye youye-in youye-out';

?g('diye').className = 'diye diye-in';

?})