var down_reset = false;
var up_reset = false;

function init(){
	up = document.getElementById( 'up_arrow' );
	down = document.getElementById( 'down_arrow' );
	content_mc = document.getElementById( 'scrollBox' );
	
	up_tween = new Tween(content_mc.style,'top',Tween.regularEaseInOut,0,0,5,'px');
	
	down_tween = new Tween(content_mc.style,'top',Tween.regularEaseInOut,0,-400,5,'px');
	
}
function upStart(){
	if( up_reset )
	{
		up_tween = new Tween(content_mc.style,'top',Tween.regularEaseOut,parseInt(content_mc.style.top),0,4,'px');
		up_tween.start();
		up_reset = false;
	}
	else	
		up_tween.resume();
	down_reset = true;
}
function upStop(){
	up_tween.stop();
}
function downStart(){
	if( down_reset )
	{
		down_tween = new Tween(content_mc.style,'top',Tween.regularEaseOut,parseInt(content_mc.style.top),-370,4,'px');
		down_tween.start();
		down_reset = false;
	}
	else
		down_tween.resume();
	up_reset = true;
}
function downStop(){
	down_tween.stop();
}