window.addEvent('domready', function() {
	$$('.extendable').each(function(extendable) {
		extendable.triggerElement = extendable.getElementsBySelector('.extendable-header')[0];
		if (extendable.triggerElement != null) {
			extendable.triggerElement.style.cursor = "pointer";
			extendable.triggerElement.fxAnimator = new Fx.Slide(extendable.getElementsBySelector('.extendable-body')[0], {duration: 500});
		
			extendable.triggerElement.addEvent('click', function() {
				this.fxAnimator.toggle();
			});
		
			extendable.triggerElement.fxAnimator.hide();
		}
	});
});