var xmlhttpCities;

function getCitiesResults(){
	xmlhttpCities=GetXmlHttpObject();
	if (xmlhttpCities==null){
		return;
	}
		
	var url="callGetCities.php";
	url=url+"?cid="+document.form2.continent.options[document.form2.continent.selectedIndex].value;
	url=url+"&rid="+document.form2.region.options[document.form2.region.selectedIndex].value;
	xmlhttpCities.onreadystatechange=stateChangedCities;
	xmlhttpCities.open("GET",url,true);
	xmlhttpCities.send(null);
}

function stateChangedCities(){
	if (xmlhttpCities.readyState==4){
		document.getElementById("cities-select").innerHTML=xmlhttpCities.responseText;
		initSelects(true);
	}
}