var http_request = false;
function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		// set type accordingly to anticipated content type
		//http_request.overrideMimeType('text/xml');
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Cannot create XMLHTTP instance');
	 return false;
  }
  
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		document.getElementById('loader').style.display = "none";
		eval(http_request.responseText);
	 } else {
		alert('There was a problem with the request.');
	 }
  }else{
	document.getElementById('loader').style.display = "";
	document.getElementById('loader').innerHTML = "<img src=\"images/loading.gif\" />";
  }
}

function get(obj) {
  var poststr = "contact_sexe_h=" + encodeURI( document.getElementById("contact_sexe_h").checked ) + "&contact_sexe_f=" + encodeURI( document.getElementById("contact_sexe_f").checked ) + "&contact_nom=" + encodeURI( document.getElementById("contact_nom").value ) + "&contact_prenom=" + encodeURI( document.getElementById("contact_prenom").value ) + "&contact_rue=" + encodeURI( document.getElementById("contact_rue").value ) + "&contact_cp=" + encodeURI( document.getElementById("contact_cp").value ) + "&contact_ville=" + encodeURI( document.getElementById("contact_ville").value ) + "&contact_tel=" + encodeURI( document.getElementById("contact_tel").value ) + "&contact_email=" + encodeURI( document.getElementById("contact_email").value ) + "&contact_sujet=" + encodeURI( document.getElementById("contact_sujet").value ) + "&contact_message=" + encodeURI( document.getElementById("contact_message").value )
  makePOSTRequest('send.asp', poststr);
}