hello is there any better view for this code?

thanks

about_btn.addEventListener(MouseEvent.MOUSE_DOWN, aboutclick);
function aboutclick(event:MouseEvent) {
gotoAndPlay("page2");
}

gallery_btn.addEventListener(MouseEvent.MOUSE_DOWN, gallery_click);
function gallery_click(event:MouseEvent) {
gotoAndPlay("page3");
}

video_btn.addEventListener(MouseEvent.MOUSE_DOWN, video_click);
function video_click(event:MouseEvent) {
gotoAndPlay("page4");
}

or_mc.addEventListener(MouseEvent.MOUSE_DOWN,drag);
or_mc.addEventListener(MouseEvent.MOUSE_UP,drop);
function drag(event:MouseEvent):void{
    or_mc.startDrag();
}

function drop(event:MouseEvent):void{
    or_mc.stopDrag();
}
all.pah.addEventListener(MouseEvent.MOUSE_DOWN,drag1);
all.pah.addEventListener(MouseEvent.MOUSE_UP,drop1);
function drag1(event:MouseEvent):void{
    all.pah.startDrag();
}

function drop1(event:MouseEvent):void{
    all.pah.stopDrag();
}

}