<form id="formMatricula" >
<table>
<tr>
<td>Ciclo: </td>
<td>
<select size="1" name="ciclo" id="ciclo" onchange="cargaformTabla()">
	<option value="1">I</option>
	<option value="2">II</option>
	<option value="3">III</option>
	<option value="4">IV</option>
	<option value="5">V</option>
	<option value="6">VI</option>
	<option value="7">VII</option>
	<option value="8">VIII</option>
	<option value="9">IX</option>
	<option value="10">X</option>
</select>
</td>
<td><input type="button" onclick='return enviarform("1")' value="Listar" /></td>
</tr></form>
<?php 
include "includes/class/curso.php";
$curso = new curso();
$ciclo = $_GET["ciclo"];
if (isset($ciclo)) {
    $lista = $curso->Listarxcurso($ciclo);
}
?>
</table>