ads rotator

<div class= "ads">

<?php
//add all existing and new ad numbers to the list//
$ad_number_list = array( 0, 2, 4,45, 67, 23, 222 );

//enter the number of ads to show in the sidebar//
$show_ads = 3;

$max_no = count($ad_number_list)-1;

$numbers = array(); $old = array();

$end = min( $show_ads, $max_no+1 ); //just in case there are less ads than spaces

if(function_exists('mba_display_banner')) :

//generate some unique array indices//
for( $i=1; $i<=$end; $i++) :
$old = $numbers;
do { $numbers[$i] = (int)rand(0,$max_no); } while ( in_array($numbers[$i], $old) );
endfor;

//call the random unique ads
for( $i=1; $i<=$end; $i++) :
$ad_no = $ad_number_list[$numbers[$i]];
mba_display_banner($ad_no);
endfor;

endif; ?>

</div>