A copy of the JavaScript functions in the head element:

// sample-3-open-options.js
// This sample shows opening and closing a window

// global variable for the new window object
var winObj;

// open a new window with cleo.html
function newWindow()
  {
  var features = "height=394,width=288,top=394,left=288,resizable=yes";
  winObj = open("cleo.html", "cleoPage", features);
  }

// close the new window
function closeWindow()
  {
  winObj.close();
  }