function createXMLHttpRequest() {

var ua;

if(window.XMLHttpRequest) {
    try {
      ua = new XMLHttpRequest();
    } catch(e) {
      ua = false;
    }
  } else if(window.ActiveXObject) {
    try {
      ua = new ActiveXObject("Microsoft.XMLHTTP");
    } catch(e) {
      ua = false;
    }
  }
  return ua;
}

var req = createXMLHttpRequest();

function sendRequest() {
  id = document.getElementById('street').value;
  req.open('get', '../js/func.php?s='+ id);
  req.onreadystatechange = handleResponse;
  req.send(null);
}

function handleResponse() {
    if ((req.readyState == 4) && (req.status == 200)) {
            document.getElementById('fixtermin').innerHTML = req.responseText;
    }
}


//nicht mehr Ajax - Funktion zum checken aller Checkboxes
function auswahl(){
    checkboxes = document.getElementsByTagName('input');

    for (var i=0; i<checkboxes.length; i++)
    {
        checkbox = checkboxes[i];
        if (checkbox.type != 'checkbox') continue;
        
        if(checkbox.checked == true){
            checkbox.checked = false;
        }
        else{
            checkbox.checked = true;
        }
    }
}