var lk
var lki

function $(obj)
{
	return document.getElementById(obj);
}

function cl(url)
{
	window.location = url;
}

function init()
{
	lk = document.getElementById('lk');
	lk.items = lk.getElementsByTagName("div");
	lk.index = 0;
	lk.height = lk.offsetHeight;
		
	lki = lk.items[lk.index];
	lki.height = lki.offsetHeight;
	lki.top = 61;		
	lki.stop = (lk.height-lki.height)/2;

	setLichtkrantInterval();
}
 
function setLichtkrantInterval()
{
	lki.interval = setInterval('startLichtkrant()', 25);
}

function setLichtkrantTimeout()
{
	setTimeout("setLichtkrantInterval()",2000);
}
 
function startLichtkrant()
{  
  	lki.top -= 1;
  	
  	if(lki.top < lki.stop)
  	{
  		clearInterval(lki.interval);
  			
  		if(lki.top < -lki.height)
  		{	
  			lki.style.top = lk.height + 'px';
  			
  			if(lk.index == lk.items.length-1)
  			{
  				lk.index=0;
  			} else {
  				lk.index += 1;
  			}
  			
  			lki = lk.items[lk.index];
  			lki.height = lki.offsetHeight;
  			lki.top = lk.height;
  			lki.stop = (lk.height-lki.height)/2;
  			
  			setLichtkrantInterval();
  		} else {
  			lki.stop = -lki.height;
  			setLichtkrantTimeout();
  		}
  	} else {
  		lki.style.top = (lki.top + 'px')
  	}
}