var nDots = 4;
	if (document.all&&window.print)
	document.body.style.cssText="overflow-x:hidden;"
	var Xpos = 0;
	var Ypos = 0;
	// fixed time step, no relation to real time
	var DELTAT = .10;
	// size of one spring in pixels
	var SEGLEN = 0;
	// spring constant, stiffness of springs
	var SPRINGK = 20;
	// all the physics is bogus, just picked stuff to
	// make it look okay
	var MASS = 100;
	var GRAVITY = 20;
	var RESISTANCE = 50;
	// stopping criterea to prevent endless jittering
	// doesn't work when sitting on bottom since floor
	// doesn't push back so acceleration always as big
	// as gravity
	var STOPVEL = 0.1;
	var STOPACC = 0.1;
	var DOTSIZE = 11;
	// BOUNCE is percent of velocity retained when 
	// bouncing off a wall
	var BOUNCE = 0.75;
	var isNetscape = navigator.appName=="Netscape";
	// always on for now, could be played with to
	// let dots fall to botton, get thrown, etc.
	var followmouse = true;
	var dots = new Array();
	init();
	function init()
	{ var i = 0;
	for (i = 0; i < nDots; i++) {
	dots[i] = new dot(i);
	} if (!isNetscape) {
	// I only know how to read the locations of the 
	// <LI> items in IE
	//skip this for now
	// setInitPositions(dots)
	}
	// set their positions
	for (i = 0; i < nDots; i++) {
	dots[i].obj.left = dots[i].X;
	dots[i].obj.top = dots[i].Y;
	}
	if (isNetscape) {
	// start right away since they are positioned
	// at 0, 0
	startanimate();
	} else {
	// let dots sit there for a few seconds
	// since they're hiding on the real bullets
	setTimeout("startanimate()", 0);
	}
	}
	function dot(i) 
	{
	this.X = Xpos;
	this.Y = Ypos;
	this.dx = 0;
	this.dy = 0;
	if (isNetscape) { 
	this.obj = eval("document.dot" + i);
	} else {
	this.obj = eval("dot" + i + ".style");
	}
	}
	function startanimate() { 
	setInterval("animate()", 20);
	}
	// This is to line up the bullets with actual LI tags on the page
	// Had to add -DOTSIZE to X and 2*DOTSIZE to Y for IE 5, not sure why
	// Still doesn't work great
	function setInitPositions(dots)
	{
	// initialize dot positions to be on top 
	// of the bullets in the <ul>
	var startloc = document.all.tags("LI");
	var i = 0;
	for (i = 0; i < startloc.length && i < (nDots - 1); i++) {
	dots[i+1].X = startloc[i].offsetLeft
	startloc[i].offsetParent.offsetLeft - DOTSIZE;
	dots[i+1].Y = startloc[i].offsetTop +
	startloc[i].offsetParent.offsetTop + 2*DOTSIZE;
	}
	// put 0th dot above 1st (it is hidden)
	dots[0].X = dots[1].X;
	dots[0].Y = dots[1].Y - SEGLEN;
	}
	// just save mouse position for animate() to use
	function MoveHandler(e)
	{
	Xpos = e.pageX;
	Ypos = e.pageY; 
	return true;
	}
	// just save mouse position for animate() to use
	function MoveHandlerIE() {
	Xpos = window.event.x + document.body.scrollLeft;
	Ypos = window.event.y + document.body.scrollTop; 
	}
	if (isNetscape) {
	document.captureEvents(Event.MOUSEMOVE);
	document.onMouseMove = MoveHandler;
	} else {
	document.onmousemove = MoveHandlerIE;
	}
	function vec(X, Y)
	{
	this.X = X;
	this.Y = Y;
	}
	// adds force in X and Y to spring for dot[i] on dot[j]
	function springForce(i, j, spring)
	{
	var dx = (dots[i].X - dots[j].X);
	var dy = (dots[i].Y - dots[j].Y);
	var len = Math.sqrt(dx*dx + dy*dy);
	if (len > SEGLEN) {
	var springF = SPRINGK * (len - SEGLEN);
	spring.X += (dx / len) * springF;
	spring.Y += (dy / len) * springF;
	}
	}
	function animate() { 
	// dots[0] follows the mouse,
	// though no dot is drawn there
	var start = 0;
	if (followmouse) {
	dots[0].X = Xpos;
	dots[0].Y = Ypos; 
	start = 1;
	}
	for (i = start ; i < nDots; i++ ) {
	var spring = new vec(0, 0);
	if (i > 0) {
	springForce(i-1, i, spring);
	} if (i < (nDots - 1)) {
	springForce(i+1, i, spring);
	}
	// air resisitance/friction
	var resist = new vec(-dots[i].dx * RESISTANCE,
	-dots[i].dy * RESISTANCE);
	// compute new accel, including gravity
	var accel = new vec((spring.X + resist.X)/ MASS,
	(spring.Y + resist.Y)/ MASS + GRAVITY);
	// compute new velocity
	dots[i].dx += (DELTAT * accel.X);
	dots[i].dy += (DELTAT * accel.Y);
	// stop dead so it doesn't jitter when nearly still
	if (Math.abs(dots[i].dx) < STOPVEL &&
	Math.abs(dots[i].dy) < STOPVEL &&
	Math.abs(accel.X) < STOPACC &&
	Math.abs(accel.Y) < STOPACC) {
	dots[i].dx = 0;
	dots[i].dy = 0;
	}
	// move to new position
	dots[i].X += dots[i].dx;
	dots[i].Y += dots[i].dy;
	// get size of window
	var height, width;
	if (isNetscape) {
	height = window.innerHeight + document.scrollTop;
	width = window.innerWidth + document.scrollLeft;
	} else { 
	height = document.body.clientHeight + document.body.scrollTop;
	width = document.body.clientWidth + document.body.scrollLeft;
	}
	// bounce of 3 walls (leave ceiling open)
	if (dots[i].Y >= height - DOTSIZE - 1) {
	if (dots[i].dy > 0) {
	dots[i].dy = BOUNCE * -dots[i].dy;
	}
	dots[i].Y = height - DOTSIZE - 1;
	}
	if (dots[i].X >= width - DOTSIZE) {
	if (dots[i].dx > 0) {
	dots[i].dx = BOUNCE * -dots[i].dx;
	}
	dots[i].X = width - DOTSIZE - 1;
	}
	if (dots[i].X < 0) {
	if (dots[i].dx < 0) {
	dots[i].dx = BOUNCE * -dots[i].dx;
	}
	dots[i].X = 0;
	}
	// move img to new position
	dots[i].obj.left = dots[i].X; 
	dots[i].obj.top = dots[i].obj.top; 
	}
	}