A copy of the JavaScript functions in the head element:

// sample-2-open.js
// This sample shows opening and closing a window

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

// open a new window with kit2.gif
function newWindow()
  {
  winObj = open("kit2.gif", "cleo");
  }

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