// JavaScript Document

function createREQ() {
    try {
      req = new XMLHttpRequest(); // firefox, safari, …
    }
    catch (err1) { try {
      req = new ActiveXObject("Msxml2.XMLHTTP"); // sommige IE
    }
    catch (err2) { try {
      req = new ActiveXObject("Microsoft.XMLHTTP"); // meeste IE
    }
    catch (err3) {
      req = false;
    }}}
  return req;
}