var working = false; //Not currening switching content.
var newBenefit = function(e) {
	if (working) return false;
	working = true;
	e.stop();
	var cur = $$('#benefits .current')[0];
	if (cur) {
		var el = this;
		var next = $(el.get('href').split('#')[1]);
		var mleft = cur.getElement('.photo').getStyle('margin-left');
		cur.getElement('.photo').get('morph').start({'margin-left': -200, 'opacity': [1, 0]});
		cur.get('tween').start('opacity', 1,0).chain(function() {
			cur.removeClass('current').getElement('.photo').setStyles({'margin-left': mleft, opacity:1});
			next.setStyles({display:'block', opacity:0}).get('morph')
			.start({'margin-left': [-200,0], 'opacity': [0, 1]})
			.chain(function() { next.addClass('current').set('style', ''); });
			working = false;
		});
    }
};

window.addEvent('domready', function() {
	$$('#benefits-list a').each(function(el) {
	    el.addEvent('click', newBenefit.bind(el));
	});
});