function xmlhttpPost2(strURL) {

    var xmlHttpReq2 = false;
    var self2 = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self2.xmlHttpReq2 = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self2.xmlHttpReq2 = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self2.xmlHttpReq2.open('POST', strURL, true);
    self2.xmlHttpReq2.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self2.xmlHttpReq2.onreadystatechange = function() {
        if (self2.xmlHttpReq2.readyState == 4) {
            updatepage2(self2.xmlHttpReq2.responseText);
        }
    }
    self2.xmlHttpReq2.send(getquerystring2());
}

function getquerystring2() {
    var form2     = document.forms['registo'];
    
	if(form2.distritos==undefined) {
	var word2 = '0'	
		
		}else{
	var word2 = form2.distritos.value;
	}
	
    //var scvalue = form.subcategoriahidden.value;
    qstr2 = 'wa=' + escape(word2)// NOTE: no '?' before querystring
    return qstr2;
}

function updatepage2(str){

document.getElementById("concelhoDIV").innerHTML = str;
if (str!=""){
document.getElementById("concelhoDIVtxt").innerHTML = 'Concelho*';
}else{
document.getElementById("concelhoDIVtxt").innerHTML = '';
}
}