function OpenYear(anno)
	{
		obj = document.getElementById(anno)

		if (obj.style.display == 'none') {
			obj.style.height = "0px";
			obj.style.display = '';
			
			var myEffectHeight = new fx.Height(obj, {duration: 600});
			myEffectHeight.toggle();				
		}
		else {
			var myEffectHeight = new fx.Height(obj, {duration: 600}, {onComplete: function(){obj.style.display = 'none';}});
			myEffectHeight.toggle();			
		}
	}