$bd =	 	$conexiones_db[$clave_con]['parametros']['bd'];
	$host = 	$conexiones_db[$clave_con]['parametros']['host'];
	$user = 	$conexiones_db[$clave_con]['parametros']['user'];
	$pass =		$conexiones_db[$clave_con]['parametros']['pass'];
	$bdname = 	$conexiones_db[$clave_con]['parametros']['bdname'];
	$port = 	isset($conexiones_db[$clave_con]['parametros']['port'])?$conexiones_db[$clave_con]['parametros']['port']:'';

	if($bd=='postgres' || $port==''){
		$GLOBALS["con"] = NewADOConnection($bd);
		$GLOBALS["con"]->Connect($host, $user, $pass, $bdname) or errorConexion($bd,$host,$user,$bdname);
	}
	else{
		$cstr = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=".$host.")(PORT=".$port."))(CONNECT_DATA=(SID=".$bdname.")))";
		$GLOBALS["con"] = NewADOConnection($bd);
		$GLOBALS["con"]->Connect($cstr, $user,$pass);
	}
	$GLOBALS["con"]->SetFetchMode(ADODB_FETCH_ASSOC);