if you look at the sample I referenced.... you could easily create your own JavaScript to accomplish that task
giving you the final product is not productive, you won't learn anything that way man... just want you to learn and grow...
<html>
<head>
<!--
This file retrieved from the JS-Examples archives
http://www.js-examples.com
1000s of free ready to use scripts, tutorials, forums.
Author: JS-Examples -
http://www.js-examples.com/ -->
</head>
<body>
<a href="java script:doIt(1)">BEFORE</a><BR>
<iframe name=fm1 border=1 width=200 height=200 src="http://www.js-examples.com"></iframe>
<BR>AFTER
<BR>
NOTE: iframe is to be used in IE only.
<script>
function doIt(_v)
{
if (_v==1)
{
document.all.fm1.src="http://www.js-examples.com/consult/";
}
}
</script>
<center><a href='http://www.js-examples.com'>JS-Examples.com</a></center>
</body>
</html>