function moveTop()
{

	var top = parseInt($('box-wydarzenia-content').style.top) < 0 ? parseInt($('box-wydarzenia-content').style.top) : 0;
		
	if(top < 0){
		new Effect.MoveBy('box-wydarzenia-content', 78, 0 , {duration: 0.6,  transition: Effect.Transitions.sinoidal, queue: 'end'});
	}
	return false;
}    

function moveBottom()
{
	var bottomY = $('box-wydarzenia-content').getHeight() + $('box-wydarzenia-content').cumulativeOffset()[1];
	//alert('bottomY: ' + bottomY + ' ; position: ' + $('game-scroll').cumulativeOffset()[1]);
	if(bottomY > $('box-wydarzenia').cumulativeOffset()[1] + 220){
		new Effect.MoveBy('box-wydarzenia-content', -78, 0 , {duration: 0.6,  transition: Effect.Transitions.sinoidal, queue: 'end'});
	}
	return false;
}