How to call a scene from a UIviewController in Cocos -2d

Question

I have problem when placing a UIViewcontroller over a menuScene. my UIviewcontroller(named "share") consists several button like submit,play again,main menu etc. But the problem is that as this UIviewcontroller class reside over menuScene sometimes clicking on UIViewController page execute menuScene menu like (startgame,help,credit etc) which reside under this UIViewController class.what Can i do??is there is any way to call a Scene from a UIView Controller class or any other way.Plz someone help me.