function changeZitat() {
	var i = parseInt($('lastItem').value);
	var j = parseInt($('itemsCount').value)-1;
	var xZ = new Chain();
	
	if (i<j) {
		$('lastItem').value = parseInt(i)+1;
		var k = parseInt(i)+1;
	}
	else {
		$('lastItem').value = 0;
		var k=0;
	}	
	
	var shrinks = function() {
		var ele = 'zitat_' + i;
		var shrinkDiv = new Fx.Morph(ele,'height', { duration: 2000 });
		shrinkDiv.start(0);
	}

	var shrink = function() {
		var kwicks = $$('.zitat_wrap');
		kwicks.each(function(kwick, l) {
					height = kwick.getStyle('height').toInt();
					if (height > 0) {
						ele = kwick.id;
						
						// next two lines disabled 05.07.2010 19:51 by tappert
						var shrinkDiv = new Fx.Tween(ele, { duration: 2000 });
						shrinkDiv.start('height', 0);
					}
//				var w = other.getStyle("width").toInt();
//				if(w != szSmall) o[j] = {width: [w, szSmall]};

		});

		}
	
	var grow = function() {
		var ele = 'zitat_' + k;
		var growDiv = new Fx.Tween(ele, {duration: 2000});
				growDiv.start('height', 100);
		}
	
	xZ.chain(shrink);
	xZ.chain(grow);
	xZ.callChain();
	xZ.callChain.delay(2000, xZ);

}