import flash.events.MouseEvent;

stop();

homeButton.addEventListener(MouseEvent.CLICK, homeButtonClicked);
libButton.addEventListener(MouseEvent.CLICK, libButtonClicked);
tutorialButton.addEventListener(MouseEvent.CLICK, tutorialButtonClicked);
advcButton.addEventListener(MouseEvent.CLICK, advcButtonClicked);

contactLabel.addEventListener(MouseEvent.CLICK, contactLabelClicked);

function homeButtonClicked(e:MouseEvent):void {
    gotoAndStop("home");
}

function libButtonClicked(e:MouseEvent):void {
    gotoAndStop("libraries");
}

function tutorialButtonClicked(e:MouseEvent):void {
    gotoAndStop("tutorial");
}

function advcButtonClicked(e:MouseEvent):void {
    gotoAndStop("advConcepts");
}

function contactLabelClicked(e:MouseEvent):void {
    var request:URLRequest = new URLRequest("mailto:[email protected]");
    navigateToURL(request,"_blank");
}