CHAPTER 20 ■ ALERTS
Pop-Up Alert
HTML Header
<head>
<!-- only script elements are shown --><script language="javascript" type="text/javascript" src="yahoo.js"></script>
<script language="javascript" type="text/javascript" src="event.js"></script>
<script language="javascript" type="text/javascript" src="chdp.js"></script>
<script language="javascript" type="text/javascript" src="cssQuery-p.js"></script>
<script language="javascript" type="text/javascript" src="page.js"></script>
</head>page.js
function initPage() {
assignEvent( 'click', '*.popup-trigger',
applyToDescendants, '*.popup', toggleVisibility );assignEvent( 'mouseover', '*.popup-trigger',
applyToDescendants, '*.popup', showElement );assignEvent( 'mouseout', '*.popup-trigger',
applyToDescendants, '*.popup', hideElement );
}addEvent(window, 'unload', purgeAllEvents);
addEvent(window, 'load', initPage);//The functions addEvent() and assignEvents() are in chdp.js.
//Full documentation for each function is found in the source code.