//AJAX
function xmlhttpPost(strURL, waarde) {
    //alert('halloo');
	var xmlHttpReq = false;
    var self = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self.xmlHttpReq = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self.xmlHttpReq.open('POST', strURL, true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
            updatepage(self.xmlHttpReq.responseText);
        }
    }
   self.xmlHttpReq.send(getquerystring(waarde));
}

function getquerystring(qstring, oud) {
	var form   	 	  		= document.forms['formulier'];
    var postcode1 	  		= form.postcode1.value;
	var postcode2	  		= form.postcode2.value;
	var huisnummer	  		= form.huisnummer1.value;
	var luchthaven			= form.luchthaven.value;
	qstr = 'postcode1=' + postcode1 + '&postcode2=' + postcode2 + '&huisnummer=' + huisnummer + '&luchthaven=' + luchthaven;
    return qstr;
}

function updatepage(str){
	//alert(str);
	document.getElementById("adresje").innerHTML = str;
}

//AJAX
function xmlhttpPost1(strURL1, waarde) {
    var xmlHttpReq1 = false;
    var self1 = this;
    // Mozilla/Safari
    if (window.XMLHttpRequest) {
        self1.xmlHttpReq1 = new XMLHttpRequest();
    }
    // IE
    else if (window.ActiveXObject) {
        self1.xmlHttpReq1 = new ActiveXObject("Microsoft.XMLHTTP");
    }
    self1.xmlHttpReq1.open('POST', strURL1, true);
    self1.xmlHttpReq1.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self1.xmlHttpReq1.onreadystatechange = function() {
        if (self1.xmlHttpReq1.readyState == 4) {
            updatepage1(self1.xmlHttpReq1.responseText);
        }
    }
   self1.xmlHttpReq1.send(getquerystring1(waarde));
}

function getquerystring1(qstring1) {
	var form1   	 	  	= document.forms['formulier'];
    var postcodeextra1 		= form1.postcodeextra1.value;
	var postcodeextra2 		= form1.postcodeextra2.value;
	var huisnummer	  		= form1.huisnummersextra.value;
	qstr1 = 'postcodeextra1=' + postcodeextra1 + '&postcodeextra2=' + postcodeextra2 + '&huisnummerextra=' + huisnummer;
    return qstr1;
}

function updatepage1(str1){
	//alert(str1);
	document.getElementById("extra_1").innerHTML = str1;
}

//AJAX ADVERTENTIE E-mail
function xmlhttpPost2(strURL2, waarde) {
   //alert(waarde);
    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', strURL2, true);
    self2.xmlHttpReq2.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    self2.xmlHttpReq2.onreadystatechange = function() {
        if (self2.xmlHttpReq2.readyState == 4) {
            updatepage2(self2.xmlHttpReq2.responseText,waarde);
        }
    }
   self2.xmlHttpReq2.send(getquerystring2(waarde));
}

function getquerystring2(qstring2) {
	var form2   	= document.forms['formulier'];
    var naam1 		= form2.naam1.value;
	var email1 		= form2.email1.value;
	var naam2 		= form2.naam2.value;
	var email2 		= form2.email2.value;
	var naam3 		= form2.naam3.value;
	var email3 		= form2.email3.value;
	
	qstr2 = 'naam1=' + naam1 + '&email1=' + email1 + '&naam2=' + naam2 + '&email2=' + email2 + '&naam3=' + naam3 + '&email3=' + email3 + '&veld=' + qstring2;
    return qstr2;
}

function updatepage2(str2, waarde2){
  //alert(str2);
  if(waarde2 == 1) {
  	 document.getElementById("waarde1").innerHTML = str2;
  }
  if(waarde2 == 2) {
  	 document.getElementById("waarde2").innerHTML = str2;
  }
  if(waarde2 == 3) {
  	 document.getElementById("waarde3").innerHTML = str2;
  }
}