<div id="titulo" class="t">   
<center>
    <table border="0" cellpadding="4" cellspacing="6">

      
    <tr>
        <td>
        <b>SEDE</b>
        </td>
        <td>
        <input style='border-radius:15px;font-weight:bold;text-align:center;'  type='text' onblur="al_salir('s_id1','s_id2','sedes');" onclick="mostrar('s_id1','s_id2','sedes',250,190);" id='s_id1' size='1'>
        <input style='border-radius:15px;font-weight:bold;text-align:center;background-color: #dfdcdc' type='text' id='s_id2' size='15' readonly="readonly">
        </td>
        <td></td>
        <td>
        <b>&nbsp; GRADO</b>
        </td>
        <td>
        <input style='border-radius:15px;font-weight:bold;text-align:center;' onblur="al_salir_grado('g_id1','g_id2','grados');" onclick="mostrar_grado('g_id1','g_id2','grados',250,190);" type='text' id='g_id1' size='1'>
        <input style='border-radius:15px;font-weight:bold;text-align:center;background-color: #dfdcdc' type='text' id='g_id2' size='10' readonly='readonly'>
        </td>
        <td></td>
        <td>
        <b>&nbsp; CURSO</b>
        </td>
        <td>
        <input style='border-radius:15px;font-weight:bold;text-align:center;' onblur="al_salir_curso('c_id1','c_id2','cursos');" onclick="mostrar_curso('c_id1','c_id2','cursos',250,160);" type='text' id='c_id1' size='1'>
        <input style='border-radius:15px;font-weight:bold;text-align:center;background-color: #dfdcdc' type='text' id='c_id2' size='10' readonly='readonly'>
        </td>
        <td>&nbsp;
                <input type="button" class="button white medium" onclick="pdf()" value="ALUMNOS" >
                <input type="button" class="button white medium" onclick="pdf1()" value="DATOS" >
                <input type="button" class="button white medium" onclick="excel()" value="EXCEL" >
                
                </td>
        
    </tr>   

</table>
</center>

</div>

   <div id='dialog' style='background-color:#003366; ' title='SELECCIONE &Iacute;TEM' style="display:none;"></div>
 
  
  <div  style="background-color:#FAFAFA ; width: 84%; height: 365px; margin: 5px 15px 10px 90px; padding: 1px 1px 5px 1px;">
        <div id="labor_academica" class="contenedor" style="background-color:#FAFAFA ; width: 100%; height: 362px;  padding: 5px 5px 5px 5px;">
            <iframe id="preview2" name="preview2" src="about:blank" style="width: 100%; height: 355px; "  frameborder="1"></iframe>

        </div>
   </div>
 
   <center>
       <table>
        <tr>
        <td align="CENTER">

         <input type="button" class="button white medium" onclick="limp()" value="LIMPIAR" >
        <input type='button' name='btnretornar' class="button white medium" onclick='retornar_menu_docente()' value='RETORNAR'>
        </td>
        </tr>
    </table>
   </center>