A copy of the JavaScript functions in the head element:
// sample-1-event-examples-functions.js
// These are all about the same except onsubmit has a return value

// onmouseover event handler
function loaded()
  {
  var result_area = document.getElementById("result");
  result_area.value = "load event occurred";
  }

// onmouseover event handler
function mouse()
  {
  var result_area = document.getElementById("result");
  result_area.value = "mouseover event occurred";
  }

// alternate mouseover event handler
// only works for the specified location of the result area
// the first  childNodes[1] gets the div element (in the body)
// the second childNodes[1] gets the input element (in the div)
function alternate_onmouseover()
  {
  document.body.childNodes[1].childNodes[1].value = "mouseover event occurred";
  }

// onmouseout event handler
function mouseout()
  {
  var result_area = document.getElementById("result");
  result_area.value = "mouseout event occurred";
  }

// onclick event handler
function clicked()
  {
  var result_area = document.getElementById("result");
  result_area.value = "click event occurred";
  }