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Sure. Its a simple javascript feature
As i am lazy i took it from a javascript website
Put the following after the body tag.
<!--// please keep these lines on when you copy the source// made by: Nicolas 
- http://www.javascript-page.com --!>
<script language="JavaScript">

function text(txt) {window.status = txt;}// -->

</script>

<a href="" onmouseover='text(" "); return true'>Put your mouse over here</a>


Where the mouseover is the empty " " means it'll show a blank on the status 
bar. You can add words inside ot make it say something as well. Do the 
onmouse over='text(" "); return true' for each link you dont want to show the 
status bar on :-)