<table>
<tr>
<th></th><th>Nr.</th><th>Name</th><th>Vorname</th><th>Strasse</th><th>PLZ</th><th>Ort</th>
</tr>
<? $i = 0;
while(each($dataset)) {
	if(is_int(($i+1)/2))
		$tl = "tableline1";
	else
		$tl = "tableline2";
?>
	<tr>
		<td><? echo ($i+1);  ?></td>
		<td id="<? echo $tl; ?>"><? echo $dataset[$i]['name']; ?></td>
		<td id="<? echo $tl; ?>"><? echo $dataset[$i]['sname']; ?></td>
		<td id="<? echo $tl; ?>"><? echo $dataset[$i]['street']; ?></td>
		<td id="<? echo $tl; ?>"><? echo $dataset[$i]['zipcode']; ?></td>
		<td id="<? echo $tl; ?>"><? echo $dataset[$i]['city']; ?></td>
	</tr>
<? $i++; }?>
</table>

#tableline1 {
	background-color:#DCDCDC;
}
#tableline2 {
	background-color:#4477FF;
}

<tr class="<?PHP echo ($i++%2==0) ? 'odd' : 'even'; ?>">

.odd {
  background:#DDD;
}
.even {
  background:#EEE;
}

<? if(is_int(($i+1)/2)) echo "even"; else "odd"; ?>