function changeCities(city) {
	var current_value = $$('#state_list').getLast().getProperty('value');
	req.send({url:'http://hostelsinkrakow.pl/get_cities/'+current_value+'/?city='+city, method: 'get'});
}
	var req = new Request.HTML({
		onSuccess: function(html) {
			$('cities_list').set('text', '');
			$('cities_list').adopt(html);
		}
	});

function rewriteEmailValue() {
	var first_mail_value = $$('#n_pemail').getProperty('value');
	$$('#n_mail').setProperty('value' , first_mail_value);
}