function init()
{
  var url = "questions.txt";
  var textFile = new Ajax.Request(
                  url,
                  {
                    method: 'get',
                    onSuccess: ask,
                    onFailure: reportError
                  });
}

function ask(textFile)
{
  var questions = textFile.responseText.split('\n');
  var choice = Math.round(Math.random()*(questions.length-1));
  $('question').innerHTML = questions[choice];
}

function reportError(textFile)
{
  alert("Error with request: " + textFile.responseText);
}