function zeige(obj){
   var target = document.getElementById(obj);
   if(target.style.display=="none"){target.style.display="inline"}
//   else{target.style.display="none"} 
   } 


function verzwergen(obj){
   var target = document.getElementById(obj);
   if(target.style.display=="inline"){target.style.display="none"}
//   else{target.style.display="inline"} 
   } 




/**************************************************

Simple DIV-Scroller for modern DOM-capable Browsers

Written by Sebastian Bechtold

sebastian_bechtold@web.de

You may use this script for whatever you want,
but please don't remove this note about its origin.

Thanks :)

**************************************************/

var scrollers = new Array();

function ScrollableLayer(id)
{
	this.contentLayer = document.getElementById(id);
	this.drawerline = document.getElementById('drawerline' + id);
	this.drawer = document.getElementById('drawer' + id);
	this.scrollframe = document.getElementById('scrollframe' + id);
	this.scrollHeight = this.contentLayer.offsetHeight - this.scrollframe.offsetHeight;
	
	this.contentLayer.style.position = 'relative';
	this.scrollframe.style.position = 'absolute';
}


function start_scroll(id, speed)
{
	scrollers[id] = new ScrollableLayer(id);

	new_id = id;
	new_speed = speed;

	scrollers[id].timer = window.setInterval("scroll(new_id, new_speed);",80);
}


function stop_scroll(id) 
{
	window.clearInterval(scrollers[id].timer);
}


function scroll(id, speed)
{
	y_new = scrollers[id].contentLayer.offsetTop + speed;

	if (y_new <= 0 && y_new >= -scrollers[id].scrollHeight)
	{
		scrollers[id].contentLayer.style.top = y_new;
	
		if(scrollers[id].drawer && scrollers[id].drawerline)
		{
			scrollers[id].drawer.style.top = scrollers[id].drawerline.offsetTop - (scrollers[id].drawerline.offsetHeight - scrollers[id].drawer.offsetHeight) * (y_new / scrollers[id].scrollHeight);
		}
	}
	else
	{
		height = 0;
		
		if (y_new < -scrollers[id].scrollHeight)
		{
			height = scrollers[id].scrollHeight;
		}

		stop_scroll(id);
		start_scroll(id, height + y_new);

	}
}


/* mousescroller */

function handle(delta) {
	if (delta < 0) {
scroll('Test',delta*20);		
}
	if (delta > 0) {
scroll('Test',delta*20);		
}
stop_scroll('Test');
}




function wheel(event){
	var delta = 0;
	if (!event) event = window.event;
	if (event.wheelDelta) {
		delta = event.wheelDelta/120; 
		if (window.opera) delta = -delta;
	} else if (event.detail) {
		delta = -event.detail/3;
	}
	if (delta)
		handle(delta);
        if (event.preventDefault)
                event.preventDefault();
        event.returnValue = false;
}


/* Initialization code. */
if (window.addEventListener)
	window.addEventListener('DOMMouseScroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;