function swap_type_pro()
{
  var status = document.getElementById('type_pro').value;

  if (status == 2)
    document.getElementById('tr_id_specialisation').style.display='';
  else
    document.getElementById('tr_id_specialisation').style.display='none';
}

function get_ville()
{
  var cpostal = document.getElementById('cpostal').value;
  if (cpostal.length == 0)
    return;
  var filter  = /^([0-9]{5,6})+$/;
  if (!filter.test(cpostal)) {
    return;
  }

  req = false;

  if (window.XMLHttpRequest)
  {
    req = new XMLHttpRequest();
    if (req.overrideMimeType)
    {
      req.overrideMimeType('text/xml');
    }
  } else if (window.ActiveXObject) {
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
      } catch(e) {
      try {
        req = new ActiveXObject("Microsoft.XMLHTTP");
      } catch(e) {}
    }
  }
  if (!req) {
    alert('Error: Cannot create an XMLHTTP instance');
    return false;
  }
  req.onreadystatechange = processXmlNdd;

  req.open('GET', '/get_cpostal.dll?cpostal='+cpostal, true);
  req.send(null);
}

function processXmlNdd()
{
  if (req.readyState == 4)
  {
    if (req.status == 200)
    {
      var xmldoc = req.responseXML;

      ville = xmldoc.getElementsByTagName('ville').item(0);
      if (ville.firstChild)
      {
        result = ville.firstChild.data;
        document.getElementById('ville').value = result;
      } else {
        // Rien a faire
      }
    } else {
      alert('Erreur: requette invalide.');
    }
  }
}