Jquery navigation example with level-2 menu

Copy codeThe Code is as follows:
$ (Document). ready (function (){
$ ('# Top. Toolbar1. CentreBox. Menu. List1 li'). mouseenter (function (){
Var index = $ (this). parent (). children (). index (this );
$ (This). parent (). children (). each (function (){
If ($ (this). hasClass ('select ')){
$ (This). removeClass ('select ');
}
});
$ (This). addClass ('select ');

$ ('# Top. Toolbar2. CentreBox. Menu'). each (function (){
If (! $ (This). hasClass ('hide ')){
$ (This). addClass ('hide ');
}
});
$ ('# Top. Toolbar2. CentreBox. Menu'). eq (index). removeClass ('hide ');
});

$ ('# Top. Toolbar2. CentreBox. Menu ul li A'). mouseenter (function (){
Var index = $ ('# Top. Toolbar2. CentreBox. Menu ul li A'). index (this );
$ ('# Top. Toolbar2. CentreBox. Menu ul li'). each (function (){
If ($ (this). hasClass ('select ')){
$ (This). removeClass ('select ');
}
});
$ (This). parent (). addClass ('select ');
});
});