Well You Can Do It In Php Here Is An Example
(This Has Been Tested On Php 4 And 5)
code:
<?php
$tip = rand(1,2); //Change The 2 To The Number Of Tip`s
if ($tip == 1) { //Tip 1
echo '<!--Insert Tip #1 Here-->';
}
if ($tip == 2) { //Tip 2
echo '<!--Insert Tip #2 Here-->';
}
?>
If You Have Any Problems Pm Me.