<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>MANTENIMIENTO</title> <link href="../estilos/css_sistema.css" rel="stylesheet" type="text/css" /> </head> <body> <?php if (isset($_REQUEST['igv_id'])) { $_SESSION['igv_codigo'] = $_REQUEST['igv_id']; } if ($_REQUEST['id'] === '1') { $igv->igv_editar($_SESSION['igv_codigo'], $_REQUEST['igv']); } $igv->devuelve_igv('1'); ?> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td><?php include "menu.php"; ?> </td> </tr> <tr> <td align="center"> </td>