$$('#rooms a').addEvent('click', function(){
	x = this.id.match('hall_(.*)');
	y = $$('#rooms .room-list .active a');
	y = y[0].id.match('hall_(.*)');
	
	$$('#rooms #'+y[1]).setStyle('display', 'none');
	$$('#rooms #'+x[1]).setStyle('display', 'block');
	
	
	$$('#rooms .active').removeClass('active');
	this.getParent().addClass('active')
	return false;
});

$$('#restaurants a').addEvent('click', function(){
	x = this.id.match('hall_(.*)');
	y = $$('#restaurants .room-list .active a');
	y = y[0].id.match('hall_(.*)');
	
	$$('#restaurants #'+y[1]).setStyle('display', 'none');
	$$('#restaurants #'+x[1]).setStyle('display', 'block');
	
	
	$$('#restaurants .active').removeClass('active');
	this.getParent().addClass('active')
	return false;
});