function makeScrollbar(content,scrollbar,handle,horizontal,ignoreMouse){

	//wir brauchen nur einen Scrollbar, wenn gescrollt werden muss
	if ( (content.getScrollSize().y - content.getSize().y) > 0)
	{
		var steps = (horizontal?(content.getScrollSize().x - content.getSize().x):(content.getScrollSize().y - content.getSize().y))
		var slider = new Slider(scrollbar, handle, {
			steps: steps,
			mode: (horizontal?'horizontal':'vertical'),
			onChange: function(step){
				var x = (horizontal?step:0);
				var y = (horizontal?0:step);
				content.scrollTo(x,y);
			}
		}).set(0);
		if( !(ignoreMouse) )
		{
			$$(content, scrollbar).addEvent('mousewheel', function(e){
				e = new Event(e).stop();
				var step = slider.step - e.wheel * 30;
				slider.set(step);
			});
		}

		$(document.body).addEvent('mouseleave',function(){slider.drag.stop()});
	}
	else
		scrollbar.style.visibility = 'hidden';
}