var scrollbar;

function scrollbarPressed (o, c, e) {
	o.className += "-Pressed";
};

function scrollbarReleased (o, c, e) {
	o.className = o.className.replace("-Pressed", "");
};

function scroll() {
	var content = document.getElementById("scrollContainer");
	var scrollb = document.getElementById("scrollbar");

	if(content!=null && scrollb!=null){

	scrollbar = new Scrollbar (
		scrollb,
		new Scroller (content, 390, 320),
		new ScrollTween()
	);

	scrollbar.onMouseDown = scrollbarPressed;
	scrollbar.onMouseUp   = scrollbarReleased;
	}
};

$(window).addEvents({
'domready':function(){scroll();}
});