<?php
session_start();
if($_SESSION['nombre']){
session_destroy();
echo '<script language = javascript>
alert("La sesion ha terminado correctamente")
self.location = "../index.php"
</script>';
}else
{
session_destroy();
echo '<script language = javascript>
alert("No se ha iniciado ninguna sesion, por favor registrese")
self.location = "../index.php"
</script>';
}
?>