<?php
$i=0;
$sorgu = mysql_query("SELECT * FROM veri");
while ($satir = mysql_fetch_assoc($sorgu))
{

$id=$satir["id"];
$tvismi=$satir["tvismi"];
$resimadresi=$satir["resimadresi"];
if($i %2 == 0)
echo '<div class="style1" style="background-color:blue;">'.$tvismi.'</div>';

} else {
echo '<div class="style1" style="background-color:red;">'.$tvismi.'</div>';
}
$i++;
}
?>