<?php
  include('../seguridad.php')
?>
<html>

    <head><meta http-equiv='expires' content='0'><meta http-equiv='Cache-Control' content='no-cache'><meta http-equiv='Pragma' CONTENT='no-cache'>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>ACTUALIZAR ESTUDIANTES</title>

        <script type="text/javascript" src="../jquery.js"></script>
        <script type="text/javascript" src="actualizar.js"></script>
        <link rel="stylesheet" type="text/css" href="estilo.css"/>
        
    </head>
    <body onload='cargar_sedes()'  style='background:#CEE3F6'>
        <h3 ALIGN="CENTER">ACTUALIZAR ESTUDIANTES</h3><br>
        <center>
            <form>
            <table border=1 width='70%'  style="background:#FAFAFA">
                <tr>   <TD width='24%'>SEDE&nbsp;&nbsp;<SELECT id="sedes"  onchange='mostrar_grados()'> <option value=""></option></SELECT></TD>
                       <td width='23%'>GRADO&nbsp;&nbsp;<SELECT id="grados" onchange='mostrar_grupos()'><option value=""></option></SELECT></td>
                       <TD width='23%'>GRUPO&nbsp;&nbsp;<SELECT id="grupos"> <option value=""></option></SELECT></TD>
                </tr>

            </table>
             <br>
            <input align="center" type="button" class="button small green" value="Mostrar" onclick='mostrar_listado_alumnos()'>
            <input align="center" type="button" class="button small green" value="Limpiar" onclick='limpiar()'>
            <input align="center" type="button" class="button small green" value="Retornar" onclick='retornar_menu()'>

         </form>

        <br>
        <div id="alumnos"></div>
        <br>
        </center>
 
    </body>
</html>
