function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {

accueil_roll = newImage("../images/navigation/n_accueil_f_2.gif");

entreprise_roll = newImage("../images/navigation/n_entreprise_f_2.gif");

services_roll = newImage("../images/navigation/n_services_f_2.gif");

destinations_roll = newImage("../images/navigation/n_destinations_f_2.gif");
	
devis_roll = newImage("../images/navigation/n_devis_f_2.gif");

infos_roll = newImage("../images/navigation/n_infos_f_2.gif");

contact_roll = newImage("../images/navigation/n_contact_f_2.gif");

n_retour_rouge_roll = newImage("../images/navigation/n_retour_rouge_2.gif");

top_page_rouge_roll = newImage("../images/navigation/top_page_rouge_2.gif");


n_introduction_roll = newImage("../images/navigation/services/n_introduction_f_2.gif");

n_typesvoyages_roll = newImage("../images/navigation/services/n_typesvoyages_f_2.gif");

n_preparation_roll = newImage("../images/navigation/services/n_preparation_f_2.gif");

n_logistique_roll = newImage("../images/navigation/services/n_logistique_f_2.gif");

n_hebergements_roll = newImage("../images/navigation/services/n_hebergements_f_2.gif");

n_restaurants_roll = newImage("../images/navigation/services/n_restaurants_f_2.gif");

n_transports_roll = newImage("../images/navigation/services/n_transports_f_2.gif");

n_guides_roll = newImage("../images/navigation/services/n_guides_f_2.gif");

n_cadeaux_roll = newImage("../images/navigation/services/n_cadeaux_f_2.gif");

n_clients_roll = newImage("../images/navigation/services/n_clients_f_2.gif");

		preloadFlag = true;
	}
}