function show_cities(country) {

	var xmlhttp = getXmlHttp();

	xmlhttp.open("POST", "/people/", true);
	xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	xmlhttp.send('action=show_cities&country='+country);
	xmlhttp.onreadystatechange=function() {

		if (xmlhttp.readyState != 4) return

		if (xmlhttp.status == 200) {

		      document.getElementById('cities').innerHTML = xmlhttp.responseText;
		}
	}
}

function search(page) {

	document.getElementById('loading').innerHTML = "<img src='/images/progress3.gif'>";

	xmlhttp.open("POST", "/people/", true);
	xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

	var country=document.getElementById('country').value;
	var city=document.getElementById('city').value;
	var age_from=document.getElementById('age_from').value;
	var age_to=document.getElementById('age_to').value;
	var only_foto = document.getElementById('only_photo').checked;

	var data='action=search_start&country='+country+'&city='+city+'&age_from='+age_from+'&age_to='+age_to+'&only_foto='+only_foto+'&page='+page;

	xmlhttp.send(data);
	xmlhttp.onreadystatechange=function() {

		if (xmlhttp.readyState != 4) return

		if (xmlhttp.status == 200) {

		      document.getElementById('loading').innerHTML = "";
			  document.getElementById('search-result').innerHTML = xmlhttp.responseText;
		}
	}
}