function response_it(){
	document.getElementById('response').value = hex_sha1(hex_sha1(hex_sha1(hex_sha1(document.getElementById('password').value)) + document.getElementById('challenge').value));
	document.getElementById('password').value = '';
}
function response_it2(){
	document.getElementById('oud').value = hex_sha1(hex_sha1(document.getElementById('oudget').value));
	document.getElementById('nieuw').value = hex_sha1(hex_sha1(document.getElementById('nieuwget').value));
	document.getElementById('nieuw2').value = hex_sha1(hex_sha1(document.getElementById('nieuw2get').value));
}