Bild als Mausverfolger

<div id="dot0" style="position: absolute; visibility: hidden; height: 27; width: 27;">[img]files/img/mouse.gif[/img]</div>
<div id="dot1" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse1.gif[/img]</div>
<div id="dot2" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse2.gif[/img]</div>
<div id="dot3" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse3.gif[/img]</div>
<div id="dot4" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse4.gif[/img]</div>
<div id="dot5" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse5.gif[/img]</div>
<div id="dot6" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse6.gif[/img]</div>
<div id="dot7" style="position: absolute; height: 27; width: 27;">[img]files/img/mouse7.gif[/img]</div>




<SCRIPT LANGUAGE="JavaScript">
	<!-- Begin
	var nDots = 8;
	var Xpos = 0;
	var Ypos = 0;

	var DELTAT = .02;
	var SEGLEN = 15;
	var SPRINGK = 9;
	var MASS = 0.75;
	var GRAVITY = 50;
	var RESISTANCE = 9;
	var STOPVEL = 0.1;
	var STOPACC = 0.1;
	var DOTSIZE = 27;
	var BOUNCE = 1;
	var isNetscape = (navigator.appName!="Microsoft Internet Explorer");
	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)
		}
		for (i = 0; i < nDots; i++) {
			dots[i].obj.left = dots[i].X;
			dots[i].obj.top = dots[i].Y;
		}
		setTimeout("startanimate()", 500);
	}

	function dot(i) {
		this.X = Xpos;
		this.Y = Ypos;
		this.dx = 0;
		this.dy = 0;
		this.obj = document.getElementById("dot" + i).style;
	}

	function startanimate() {	
		setInterval("animate()", 20);
	}

	function setInitPositions(dots) {
		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;
		}
		dots[0].X = dots[1].X;
		dots[0].Y = dots[1].Y - SEGLEN;
	}

	function MoveHandler(e) {
		Xpos = e.pageX;
		Ypos = e.pageY;
		return true;
	}

	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() {	
		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);
			}
			var resist = new vec(-dots[i].dx * RESISTANCE, -dots[i].dy * RESISTANCE);
			var accel = new vec((spring.X + resist.X)/ MASS, (spring.Y + resist.Y)/ MASS + GRAVITY);
			dots[i].dx += (DELTAT * accel.X);
			dots[i].dy += (DELTAT * accel.Y);
			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;
			}
			dots[i].X += dots[i].dx;
			dots[i].Y += dots[i].dy;
			var height, width;
			height = document.body.clientHeight + document.body.scrollTop;
			width = document.body.clientWidth + document.body.scrollLeft;
			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;
			}
				dots[i].obj.left = dots[i].X;			
				dots[i].obj.top =  dots[i].Y;		
		}
	}
// End -->
</script>