//XMLHTTPRequest: client server communicatie via javascript.
function XHConn()
{
  var xmlhttp, bComplete = false;
  try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
  catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
  catch (e) { try { xmlhttp = new XMLHttpRequest(); }
  catch (e) { xmlhttp = false; }}}
  if (!xmlhttp) return null;
  this.connect = function(sURL, sMethod, sVars, fnDone,field)
  {
    if (!xmlhttp) return false;
    bComplete = false;
    sMethod = sMethod.toUpperCase();
    try {
      if (sMethod == "GET")
      {
        xmlhttp.open(sMethod, sURL+"?"+sVars, true);
        sVars = "";
      }
      else
      {
        xmlhttp.open(sMethod, sURL, true);
        xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1");
        xmlhttp.setRequestHeader("Content-Type",
          "application/x-www-form-urlencoded");
      }
      xmlhttp.onreadystatechange = function(){
        if (xmlhttp.readyState == 4 && !bComplete)
        {
          bComplete = true;
          fnDone(xmlhttp,field);
        }};
      xmlhttp.send(sVars);
    }
    catch(z) { return false; }
    return true;
  };
  return this;
}

// wordt aangeroepen als XHConn klaar is en een
function fnWhenDone(XML,field) {
	downloadFile(XML.responseText);
}

// wordt aangeroepen als XHConn klaar is en een
function fnWhenDone2(XML,field) {
	document.getElementById(''+field+'').innerHTML = XML.responseText;
}


function AjaxInner(page,field,params) {
	var ajaxConn = new XHConn();
	ajaxConn.connect(page, "POST",params,fnWhenDone2,field);
}

//wordt aangeroepen in changeImage en doet de ajax call via XHConn
function AjaxDownload(page,field,params) {
	var ajaxConn = new XHConn();
	ajaxConn.connect(page, "POST",params,fnWhenDone,field);
}

function downloadFile(url) {
	var elemIF = document.createElement("iframe"); 
	elemIF.src = url; 
	elemIF.style.display = "none"; 
	document.body.appendChild(elemIF);

}


function fillForm(email) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(email) == false) {
	  document.getElementById('email').value = 'invalid email';
	  document.getElementById('email').style.background = 'red';
	   return false;
	} else {
		var splitted = email.split("@");
		var splitted2 = splitted[0].split(".");
		if (typeof(splitted2[1]) !== 'undefined') {
			firstname = splitted2[0];
			lastname = splitted2[1];
		} else {
			var lastname = splitted[0];
			var firstname = '';
		}
		var splitagain = splitted[1].split(".");
		var company = splitagain[0];
		
		document.getElementById('company').value= company;
		document.getElementById('last_name').value = lastname;
		document.getElementById('first_name').value = firstname;
		return true;
	}
}