<?php

if(session_id()=="") 
	session_start();
?>
<html>
<head>
<meta http-equiv="Window-target" content="_self"/>
<link rel="stylesheet" href="../logos/css/estilo1.css" type="text/css"/>
<link rel="SHORTCUT ICON" href="../logos/screen.ico">
<script type="text/javascript">
if (window.history) {
        function noBack(){window.history.forward()}
        noBack();
        window.onload=noBack;
        window.onpageshow=function(evt){if(evt.persisted)noBack()}
        window.onunload=function(){void(0)}
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"></head>
<script language="javascript">
window.onload=function(){
	document.getElementById('usuario').focus();
}
</script>
<style type="text/css">
<!--
body {
	background-image: url(../logos/logos/lines.gif);
}
#usuario{
font-family:Arial, Helvetica, sans-serif;
font-size:18px;
}
#contrasea{
font-family:Arial, Helvetica, sans-serif;
font-size:18px;
}
-->
</style><body>
<?php

/**********************************************
*  Inicializa a nada las variables se sesion  *
*		    principales del sistema           *
***********************************************/
$_SESSION['usuario']=""; 
$_SESSION['contras']="";
$_SESSION['base']="";
$_SESSION['num_usu']="";
$_SESSION['mov']="";
$_SESSION['nom_emp1']="";
$_SESSION['empresa']="";
$_SESSION['tipven']="";
//$_SESSION['entro_corr']="";
/*********************************************/
?>
<form id="form1" name="f3" method="post" action="../logos/empresa.php " target="_top">
  <table width="420" height="176" border="0" align="center" background="../logos/logos/fondoclave.png">
    <tr>
      <td width="166" height="59"><img src="../logos/logos/usuario.png" width="170" height="35"></td>
      <td width="244" valign="bottom"><input name="usuario" id="usuario" type="text"/></td>
    </tr>
    <tr>
      <td height="48"><img src="../logos/logos/contra.png" width="185" height="35"></td>
      <td><input name="contrasea" type="password"id="contrasea" /></td>
    </tr>
    <tr>
      <td colspan="2">
	  	<div align="center">
	  	  <input name="acceder" type="submit" id="acceder" value="Acceder" />
  	  </div></td>
    </tr>
  </table>
</form>
<div align="center">
<table width="425" border="0" cellpadding="0" cellspacing="0">
  <!--DWLayoutDefaultTable-->
  <tr>
    <td width="647" height="64">&nbsp;</td>
  </tr>
  <tr>
    <td height="312" align="center" valign="top"><img src="../logos/logos/LOGOCHS.png" width="600" height="227"></td>
  </tr>
</table>
</div>
</body>
</html>
