Plug-in JavaScript Chapter 11, Example 87 (Click on the icon to view the source for copy and pasting)
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">
<html><head><title>Plug-in JavaScript: Example 87</title>

<script src="PJ.js"></script>
<script>Initialize()</script>

</head><body>

<div id='a'></div>

<script>

window.onload = function()
{
   url  = 'ajaxpost.php'
   args = 'url=http://www.weather.gov/xml/current_obs/PANC.rss'
   PostAjaxRequest('a', todiv, url, args)

   function todiv()
   {
      var rss = this.replace(/\</g, '&lt;')
      rss     =  rss.replace(/\>/g, '&gt;')
      rss     =  rss.replace(/\n/g, '<br />')
      O('a').innerHTML = rss
   }
}

</script>