How do I write this if statement

[RadarReviews_Net]

If I want to write an " if " statement where I want a link to only appear on my homepage what code would I need to put, this link I want to appear only in my footer on the homepage. The homepage is the vbadvanced page if that matters at all... homepage is Radar Reviews.Net

Thanks!

[Murphy]

This will only show on index.php

<if condition="THIS_SCRIPT == 'index'">

PUT YOUR CODE HERE

</if>