window.addEvent('load', function() {

	// Back button
	var btnBack = $('fe-btn-back');
	if(btnBack && previousStep) {
		btnBack.addEvent('click', function() {
			self.location = Buan.UrlCommand.createUrl('booking', 'index', {step:previousStep, booking:$('fe-booking').value});
		});
	}
});