stop();
function playMovie(event:MouseEvent):void {play();}
play_btn.addEventListener(MouseEvent.CLICK,playMovie); 
function stopMovie(event:MouseEvent):void {stop();}
stop_btn.addEventListener(MouseEvent.CLICK,stopMovie);
bouncing_mc.stop();
function playmcMovie(event:MouseEvent):void {bouncing_mc.play();}
playmc_btn.addEventListener(MouseEvent.CLICK,playmcMovie);
function stopmcMovie(event:MouseEvent):void {bouncing_mc.stop();}
stopmc_btn.addEventListener(MouseEvent.CLICK,stopmcMovie);
----------------------------
stop();
function forward(event:MouseEvent):void {
if (currentFrame==totalFrames) gotoAndStop(1);
else nextFrame();}
forward_btn.addEventListener(MouseEvent.CLICK,forward);
function back(event:MouseEvent):void {
if (currentFrame==1) gotoAndStop(totalFrames);
else prevFrame();}
back_btn.addEventListener(MouseEvent.CLICK,back);
--------------------------------------------
stop();
function gotohistory(event:MouseEvent):void {gotoAndStop("history");}
function gotohome(event:MouseEvent):void {gotoAndStop("home");}
function gotolinks(event:MouseEvent):void {gotoAndStop("links");}
history_btn.addEventListener(MouseEvent.CLICK,gotohistory);
home_btn.addEventListener(MouseEvent.CLICK,gotohome);
links_btn.addEventListener(MouseEvent.CLICK,gotolinks);