window.addEvent('domready', function() {
	$$('h2.expandable').each(function(el) {
		el.set('rel', el.getNext().getSize().y);
		 
		el.getNext().setStyle('height', 0);
		
		el.addEvent('click', function(e) {
			if (el.get('rel') == null)
			{
				el.set('rel', el.getNext().getSize().y);

				el.getNext().tween('height', 0);
			}
			else
			{
				el.getNext().tween('height', el.get('rel'));
				
				el.set('rel', null);
			}
		});
		
		el.addEvent('mouseover', function(e){
			this.setStyle('cursor', 'pointer');
		});
	});
});