Paste code

stop();
var currentPage:MovieClip;
var nextPage:MovieClip;
var buttons:Array = new Array("btnArchitecture","btnInterDesign","btnSustDesign","btnSustConsult","btnFirm");
var home:pageHome = new pageHome();
content.addChild(home);
currentPage = home;

logoVvs.buttonMode = true;
logoVvs.mcTarget = home;

btnArchitecture.buttonMode = true;
btnInterDesign.buttonMode = true;
btnSustDesign.buttonMode = true;
btnSustConsult.buttonMode = true;
btnFirm.buttonMode = true;

logoVvs.addEventListener(MouseEvent.CLICK,openPage);

btnArchitecture.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
btnArchitecture.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
btnInterDesign.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
btnInterDesign.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
btnSustDesign.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
btnSustDesign.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
btnSustConsult.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
btnSustConsult.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
btnFirm.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
btnFirm.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
btnFirm.addEventListener(MouseEvent.CLICK,openPage);
var firm:pageFirm = new pageFirm();
btnFirm.mcTarget = firm;

var buttonClicked:String;
function enableButtons():void {
	for each( var b in buttons ) {
	
			b.addEventListener(MouseEvent.MOUSE_OUT, menuButtonOut);
			b.addEventListener(MouseEvent.MOUSE_OVER, menuButtonOver);
		
	}
}

function openPage(e:MouseEvent):void {
	enableButtons();
	buttonClicked = e.currentTarget.name;
	content.removeChild(currentPage);
	nextPage = e.currentTarget.mcTarget;
	content.addChild(nextPage);
	nextPage.play();
	currentPage = nextPage;
}

function menuButtonOver(e:MouseEvent):void {
	e.currentTarget.gotoAndPlay("over");
}
function menuButtonOut(e:MouseEvent):void {
	e.currentTarget.gotoAndPlay("up");
}