Untitled

<!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=utf-8" />
<title></title>
</head>

<script type="text/javascript">
	function validarSiNumero(numero) {
		if (!/^([0-9])*$/.test(numero))
		alert("El valor " + numero + " no es un número");
		return false;
	}

	function soloNumeros(e){
		var key = window.Event ? e.which : e.keyCode
		return (key >= 48 && key <= 57)
	}

	function validarform() {
	}

</script>


<body>

<div class="logo" ><a href="#"><img src="img/logo.jpg" alt="logo"></a></div>

</body>

</html>

<?php
session_start();
include_once "conexion.php";

function verificar_login($user,$password,&$result) {
    $sql = "SELECT * FROM usuarios WHERE usuario = '$user' and password = '$password'";
	//echo $sql;
	//exit;
    $rec = mysql_query($sql);
    $count = 0;

    while($row = mysql_fetch_object($rec))
    {
        $count++;
        $result = $row;
    }

    if($count == 1)
    {
        return 1;
    }

    else
    {
        return 0;
    }
}

    if(isset($_POST['login']))
    {
        if(verificar_login($_POST['user'],$_POST['password'],$result) == 1)
        {
			$_SESSION["autentica"] = "SIP";
            //$_SESSION['userid'] = $result->idusuario;
			$_SESSION['user'] = $result->usuario;
			$_SESSION['nivelacceso'] = $result->nivelacceso;
			$_SESSION['passwordoriginal'] = $_POST['password'];
			$_SESSION['nombreusuario'] = $result->nombreusuario;

			$primeracceso = $result->primeracceso;

			//selecciono el período activo
			$sql = "SELECT mes, ano FROM `periodos` WHERE activo=1";
			$result = mysql_query($sql);
			$row = mysql_fetch_array($result);

			$_SESSION['MES'] = $row["mes"];
			$_SESSION['ANO'] = $row['ano'];

			//grabo acceso
			$user = $_POST['user'];
			$pass = $_POST['password'];
			$fecha = date("Ymd");
			$hora = date("H:i:s");
			$navegador =  $_SERVER['HTTP_USER_AGENT'];

			switch ($primeracceso)
			{
				case 0:
					//sigue normalmente
					//header("Location: /boletasdrei.php");
					echo "<script>location.href='menu.php';</script>";
					die();

					echo "2";
					break;

				case 1:
					//redirijo al cambio de contraseña
					//header("Location: /passwordnueva.php");
					echo "<script>location.href='passwordnueva.php';</script>";
					die();
					break;
			}
        }
        else
        {
            echo '<div class="error">Su usuario es incorrecto, intente nuevamente.</div>';
        }
    }

?>

<style type="text/css">
*{
    font-size: 14px;
}
body{
background:#ffffff;
/*background:#3d689c; */

}
form.login {
    background: none repeat scroll 0 0 #e4eaf1;
    border: 1px solid #DDDDDD;
    font-family: tahoma;
    margin: 0 auto;
    padding: 20px;
    width: 278px;
    box-shadow:0px 0px 20px black;
    border-radius:10px;
}
form.login div {
    margin-bottom: 15px;
    overflow: hidden;
}
form.login div label {
    display: block;
    float: left;
    line-height: 25px;
}
form.login div input[type="text"], form.login div input[type="password"] {
    /* border: 1px solid #DCDCDC;  */
	border: 1px solid #3d689c;
    float: right;
    padding: 4px;
}
form.login div input[type="submit"] {
    background: none repeat scroll 0 0 #DEDEDE;
    border: 1px solid #C6C6C6;
    float: right;
    font-weight: bold;
    padding: 4px 20px;
}
.error{
    color: red;
    font-weight: bold;
    margin: 10px;
    text-align: center;
}
</style>

<form action="" method="post" class="login" onSubmit="return validarform();">
    <div><label>Usuario</label><input name="user" type="text" title="Ingrese su nombre de usuario" placeholder="Ingrese su usuario" pattern=".{2,}" maxlength="15" autofocus required title="Ingrese el Usuario" onKeyPress="return soloNumeros(event)"></div>
    <div><label>Contraseña</label><input name="password" type="password" title="Ingrese su password" placeholder="Ingrese su contraseña" maxlength="15" required title="Ingrese la Contraseña"></div>
    <div><input name="login" type="submit" value="Login" title="Clic para ingresar" ></div>
</form>

<br>
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<br>
<br>
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<br>
<br>


<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tbody>
<tr>
<td align="center"><img src="img/navegadoresrecomendados.png " /></td>
</tr>
</tbody>
</table>