Código PHP:
<?php
include "seguridad.php";
?>
<!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">
<meta name="author" content="Felix de Jesus Carrillo Celerino">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento sin título</title>
<script type="text/javascript" src="stmenu.js"></script>
</head>
<body background="images/wall.png">
<?php $usuario=$_POST['usuario'];
echo '<script>alert("BIENVENIDO\n** '.strtoupper($_SESSION['usuario']).'**");</script>';
echo "Bienvenido(@): <span class=Estilo3 style='text-transform: uppercase;'><b>".$_SESSION['usuario']."</span>";
if($_SESSION['tipo']=="1"){ ?>
<script type="text/javascript">
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<?php }elseif($_SESSION['tipo']=="2"){ ?>
<a href="http://www.dhtml-menu-builder.com" style="display:none;visibility:hidden;">Javascript DHTML Drop Down Menu Powered by dhtml-menu-builder.com</a>
<script type="text/javascript">
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stm_aix("p2i1","p2i0",[0,"INGRESAR MEDICION INDIVIDUAL","","",-1,-1,0,"regis_mediciones_ind.php"],120,0);
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stm_aix("p1i1","p1i0",[0,"INSTALACIONES"],140,0);
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stm_aix("p1i2","p2i0",[0,"GENERAR GRAFICA","","",-1,-1,0,"generar_grafica.php"],140,25);
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stm_aix("p0i2","p0i0",[0,"CONSULTAS","","",-1,-1,0,"","_self","","","","",0,0,0,"0604arroldw.gif","0604arroldw.gif",9,7,0,1],130,25);
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stm_ep();
stm_aix("p0i3","p0i0",[0,"SALIR","","",-1,-1,0,"cerrar_sesion.php","_top","","","","",0,0,0,"","",0,0,0,2],87,25);
stm_ep();
stm_em();
//-->
</script>
<?php }elseif($_SESSION['tipo']=="3"){
?>
<script type="text/javascript">
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stm_bm(["menu45ba",900,"","blank.gif",0,"","",0,0,250,0,1000,1,0,0,"","",0,0,1,2,"default","hand","",1,25],this);
stm_bp("p0",[0,4,0,0,2,0,0,9,100,"",-2,"",-2,50,2,3,"#999999","transparent","bluefireback1.gif",1,1,1,"#000000 #666666 #B4C8B4"]);
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stm_ep();
stm_aix("p1i2","p2i0",[0,"GENERAR GRAFICA","","",-1,-1,0,"generar_grafica.php"],140,25);
stm_ep();
stm_aix("p0i2","p0i0",[0,"CONSULTAS","","",-1,-1,0,"","_self","","","","",0,0,0,"0604arroldw.gif","0604arroldw.gif",9,7,0,1],130,25);
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stm_aix("p4i1","p2i0",[0,"POR AÑO","","",-1,-1,0,"consulta_gral.php"],120,0);
stm_ep();
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stm_ep();
stm_aix("p0i4","p0i0",[0,"SALIR","","",-1,-1,0,"cerrar_sesion.php","_top","","","","",0,0,0,"","",0,0,0,2],87,25);
stm_ep();
stm_em();
//-->
</script>
<?php }?>