creation d'un menu deroulant cliquable !!!!

echo"<table width=575 border=1 bordercolor=orange>";
echo"<tr>
<th align=left>$k[0]</th>
<th colspan=2><select name=nbre>
									<option>0</option>
									<option>1</option>
									<option>2</option>
									<option>3</option>
									<option>4</option>
									<option>5</option>
									<option>6</option>
									<option>7</option>
									<option>8</option>
									<option>9</option>
									<option>10</option>
									<option>11</option>
									<option>12</option>
									<option>13</option>
									<option>14</option>
									<option>15</option>
									
</select>
A partir de int .$prix1/2. DT par personne en &nbsp;&nbsp;
<input type=submit name=aff value=OK>
</th>
</tr>
";
if(isset($_POST['aff']))
	{
	if($_POST['nbre']==0)
		{
		echo"<font color=red><b>veuiller choisir le nbre de chambre à reserver</b></font><br><br>";
		}
	else
		{
									    for($i=1;$i<=intval($_POST['nbre']);$i++)
		{
		echo"
			<tr>
				<td>Chambre $i:</td>
				<td>&nbsp;Adultes :
				<select name=adu>
					<option>0</option>
					<option>1</option>
				</select></td>
				<td>&nbsp;Enfants (2-12) :
				<select name=enf>
					<option>0</option>
					<option>1</option>
				</select></td>
			</tr>
		";
		}
		}
	}
echo"</table>";