var scrollbar;

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

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

window.onload = function () {
	var content = document.getElementById("Example-3-Content");
	var scrollb = document.getElementById("Example-3-Scrollbar");

	scrollbar = new Scrolling.Scrollbar (
		scrollb,
		new Scrolling.Scroller (content, 460, 380),
		new Scrolling.ScrollTween()
	);
	
	scrollbar.onMouseDown = scrollbarPressed;
	scrollbar.onMouseUp   = scrollbarReleased;
};

function swapIt(o) {
	o.blur();
	if (o.className == "current") return false;
  
	var list = document.getElementById("Navigation").getElementsByTagName("a");
	for (var i = 0; i < list.length; i++) {
		if (list[i].className == "current") {
			list[i].className = "";
			document.getElementById(list[i].title).y = scrollbar.getDimensions().y;
		}
		if (list[i].title == o.title) o.className = "current";
	}
  
	list = document.getElementById("Container").childNodes;
	for (var i = 0; i < list.length; i++) {
		if (list[i].tagName == "DIV") list[i].style.display = "none";
	}
  
	var top = document.getElementById(o.title);
	top.style.display = "block";
	scrollbar.swapContent(top);
	if (top.y) scrollbar.scrollTo(top.y);
  
	return false;
}