function zuklappen(){
	new Effect.Fade('mitte',{duration: 0});
	document.getElementById('oben').style.height = 210;
	document.getElementById('unten').style.height = 310;
}

Effect.Resize = function(element, percent) {
  element = $(element);
  Element.makeClipping(element);
  return new Effect.Scale(element, percent, 
    Object.extend({ scaleContent: false, 
	    scaleX: false, 
	    restoreAfterFinish: false,
	    afterFinishInternal: function(effect) {
			new Effect.Appear('mitte');
			
		} 
    }, arguments[1] || {})
  );
}

function aufklappen(){
	new Effect.Resize('oben', 50);
	new Effect.Resize('unten', 34);
}