How to have the status line update when the mouse goes over a link (The support of the status line is sporadic) ?

To have the status line update when the mouse goes over a link, see the below example.

Example:

<a href="javascript.shtml" 
onmouseover="window.status='Hi There!';return true" 
onmouseout="window.status='';return true">Look at the Status bar</a>

Look at the Status bar as your cursor goes over the link.