knacknuss für js-freaks

<script type="text/javascript">
fadeObjects = new Array();
fadeTimers = new Array();

function fade(object, destOp, delta, mozIn, mozOut)
{
	if (object != "[object]")
	{
    		setTimeout("fade("+object+", "+destOp+", "+delta+","+mozIn+","+mozOut+")", 0);
    		return;
  	}

  	window.clearTimeout(fadeTimers[object.id]);

  	(object.style.MozOpacity) ?
	diff = mozIn - object.style.MozOpacity :
 	diff = destOp - object.filters.alpha.opacity;

	direction = 1;

	if (object.style.MozOpacity)
	{
		if (object.style.MozOpacity > mozIn) direction = -1;
	}
	else
	{
  		if (object.filters.alpha.opacity > destOp) direction = -1;
  	}
	if (object.style.MozOpacity)
	{
		object.style.MozOpacity += direction*mozOut;
		mozOut = Math.min(direction*diff, mozOut);

		if (object.style.MozOpacity != mozIn)
		{
    			fadeObjects[object.id] = object;
    			fadeTimers[object.id] = window.setTimeout("fade(fadeObjects["+object.id+"], "+mozIn+", "+mozOut+")", 50);
  		}
	}
	else
	{
		delta = Math.min(direction*diff, delta);
		object.filters.alpha.opacity += direction*delta;

		if (object.filters.alpha.opacity != destOp)
		{
    			fadeObjects[object.id] = object;
    			fadeTimers[object.id] = window.setTimeout("fade(fadeObjects["+object.id+"], "+destOp+", "+delta+")", 50);
  		}
	}
}
</script>