function cityList(iduf) {

	dochange('textSelect', 'ajx.php?iduf=' + iduf);

}

function cityList_i(iduf, idci) {

	if (iduf > 0) dochange('textSelect', 'ajx.php?iduf=' + iduf + '&idci=' + idci);
	else document.getElementById('textSelect').innerHTML = '<select name="idci"><option value="">Selecione o estado.</option></select>';
	
}

function Inint_AJAX() {
try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
alert("XMLHttpRequest not supported");
return null;
};

function dochange(id, url) {
var req = Inint_AJAX();
req.onreadystatechange = function () {
 if (req.readyState==4) {
      if (req.status==200) {
	  
		document.getElementById(id).innerHTML = req.responseText;
		
      }
 }
};
req.open("GET", url);
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1");
req.send(null);
}