function getVrienden(obj) {
	if(document.getElementById("naam").value!="Je naam" || document.getElementById("email").value!="Je mailadres") {
		var poststr = "naam=" + encodeURI( document.getElementById("naam").value ) +
				"&email=" + encodeURI( document.getElementById("email").value );
		makePOSTRequest('/scripts/vriendenvan.php', poststr);
	}
}

function alertContents() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		//alert(http_request.responseText);
		result = http_request.responseText;
		document.getElementById('myspan').innerHTML = result;            
	 } else {
		alert('Vrienden worden is mislukt! Probeer nog eens..');
	 }
  }
}