Added hardware listner utils from http://tombuntu.com/index.php/2008/01/31/dig-up-system-information-using-the-terminal/
-*- outline -*-
* Inline in HTML.
<html>
<h1>Hello!<h1/>
<script language="JavaScript">
<!--
alert("Hello!")
document.write("sin(10) = " + Math.sin(10))
//-->
</script>
</html>
* Hot calc by Firefox.
At URI type some thing like "javascript: 4+5"