if ($('prn_update'))
{
	new Ajax.Autocompleter ('id_depart', 'prn_update', profondeur('remonter') + 'moteur_vols/get_data.asp?req=aero&champ_comp=id_iata_depart', 
	{
		method: 'post', 
		paramName: 'aeroport',
		minChars:4,
		fctSaisie:'raz_zone(\'id_iata_depart\');',
		fctMinChars:'raz_zone(\'id_iata_depart\');'
	}
	);
}

if ($('prn_update2'))
{
	new Ajax.Autocompleter ('id_arrivee', 'prn_update2', profondeur('remonter') + 'moteur_vols/get_data.asp?req=aero&champ_comp=id_iata_arrivee', 
	{
		method: 'post', 
		paramName: 'aeroport',
		minChars:4,
		fctSaisie:'raz_zone(\'id_iata_arrivee\');',
		fctMinChars:'raz_zone(\'id_iata_arrivee\');'
	}
	);
}