function Query($query)
{
	$sClausula = strtoupper(substr($query,0,6));	
	$result = mysql_query($query, $this->conexion) or die(mysql_error());
	$sArrayClausulas = array('SELECT','INSERT');
	if (in_array($sClausula,$sArrayClausulas))
		return $sClausula == 'SELECT' ? $result : mysql_insert_id($this->conexion);
}

if (empty($_GET['a']))  
	include ("modulos/index.php");
elseif ($_GET['a'] == 'loc' && file_exists("modulos/loc.php"))
	include ("modulos/loc.php");
else
	include ("modulos/error404.html");