Apply code in a Movieclip Container Error

programming flash
1

I am trying to turn a MovieClip container into a movieclip that hides the menu, except it just doesn’t work. My code is:

Code for the button changing shape and show in screen

displayHM(1);

function displayHM (hOs) :void {
    if (hideThatMenu !=null) {
        removeChild(hideThatMenu);
        }
        if (hOs == 1) {
            hideThatMenu = new hidemenu();
        }else if (hOs ==2) {
            hideThatMenu = new showmenu();
        }
        hideThatMenu.x=126,40;
        hideThatMenu.y=59,95;
        addChild(hideThatMenu);
        
}

and the code for the actions of the button

function hidemnu (e:MouseEvent) :void{
    if (hOs ==1) {
    Tweener.addTween(mmu,{alpha:0, time:1});
    Tweener.addTween(botMenu,{alpha:0, time:1});
    //displayHM(2);
    }else if(hOs == 2) {
    Tweener.addTween(mmu,{alpha:1, time:1});
    Tweener.addTween(botMenu,{alpha:1, time:1});
    displayHM(1);
    }
    
}

Am i doing something wrong?