var timerID = null;
	var position1 = 0;
	var position2 = 200;
	var boxSize = 200;
	
	function startPosuv() {
		timerID=self.setTimeout("posuv()", 70);
	}
	
	function stopPosuv() {
		if (timerID) clearTimeout(timerID);
	}

	function initPosuv() {
		var box = document.getElementById('newsbox_in');
		if (!box) return;
		var content = document.getElementById('test');
		boxSize = content.offsetHeight;
		//poc. pozice elementu
		position1 = 0;
		position2 = boxSize+25;
		//kopirovani boxu
		var content_copy = document.createElement('div');
		content_copy.setAttribute('id','test2');
		content_copy.innerHTML = content.innerHTML;
		box.appendChild(content_copy);
		//nastaveni akce mysi
		box.onmouseover = stopPosuv;
		box.onmouseout = startPosuv;
		//zahajeni posouvani
		startPosuv();
	}
	
	function getNewPosition(position) {
		if (position<=-boxSize)
			position = boxSize+25;
		else
			position -= 1;
		return position;
	}

	function posuv() {
		position1 = getNewPosition(position1);
		position2 = getNewPosition(position2);
		
		var elem1 = document.getElementById('test');
		elem1.style.top = position1+'px'; 
		
		var elem2 = document.getElementById('test2');
		elem2.style.top = position2+'px'; 
		
		startPosuv();
	}

	document.onload = initPosuv();