function process() {
  document.getElementById('display').innerHTML = 'Es wird gedichtet.';
  var ischema = document.getElementById('schema').selectedIndex;
  var istanza = document.getElementById('stanza').selectedIndex;
  var iwords = document.getElementById('words').selectedIndex;
  var ialg = document.getElementById('alg').selectedIndex;
  var iqual = document.getElementById('qual').selectedIndex;
  xajax_poem(document.getElementById('poemurl').value, document.getElementById('schema').options[ischema].value, document.getElementById('stanza').options[istanza].value, document.getElementById('words').options[iwords].value, document.getElementById('alg').options[ialg].value, document.getElementById('qual').options[iqual].value);
}