Deneyebilirmisin.

<?php
mysql_connect('localhost','root','');
mysql_select_db('abledating');

$sayfano=$_GET[sayfano];
$toplam = mysql_query("SELECT COUNT(*) FROM  adv_cats");
list($toplam_uye) = mysql_fetch_row($toplam);

$say=$toplam_uye;
$pagination=ceil ($say/4);

echo '<form id="form1" name="form1" method="post" action="">
<label for="select">Sayfalar</label><br>';

$i=1;
while ($i<=$pagination) {
		echo '<a href="referans.php?sayfano='.$i.'"'.(($i%2)?'style="background-color:#00CCFF"':'').'>'.$i.'</a> - ';
	$i++;
}

echo '
</form>';

?>