userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		newsletter_down = newImage("images_env/newsletter-down.gif");
		newsletter_up = newImage("images_env/newsletter-up.gif");
		accueil_down = newImage("images_env/accueil-down.gif");
		accueil_up = newImage("images_env/accueil-up.gif");
		plan_du_site_down = newImage("images_env/plan_du_site-down.gif");
		plan_du_site_up = newImage("images_env/plan_du_site-up.gif");
		docs_asso_down = newImage("images_env/docs_asso-down.gif");
		docs_asso_up = newImage("images_env/docs_asso-up.gif");
		membres_ca_down = newImage("images_env/membres_ca-down.gif");
		membres_ca_up = newImage("images_env/membres_ca-up.gif");
		delegues_down = newImage("images_env/delegues-down.gif");
		delegues_up = newImage("images_env/delegues-up.gif");
		esp_membre_down = newImage("images_env/esp_membre-down.gif");
		esp_membre_up = newImage("images_env/esp_membre-up.gif");
		faire_un_don_down = newImage("images_env/faire_un_don-down.gif");
		faire_un_don_up = newImage("images_env/faire_un_don-up.gif");
		adherez_ici_down = newImage("images_env/adherez_ici-down.gif");
		adherez_ici_up = newImage("images_env/adherez_ici-up.gif");
		votre_avis_down = newImage("images_env/votre_avis-down.gif");
		votre_avis_up = newImage("images_env/votre_avis-up.gif");
		actions_down = newImage("images_env/actions-down.gif");
		actions_up = newImage("images_env/actions-up.gif");
		collecte_down = newImage("images_env/collecte-down.gif");
		collecte_up = newImage("images_env/collecte-up.gif");
		boutique_down = newImage("images_env/boutique-down.gif");
		boutique_up = newImage("images_env/boutique-up.gif");
		parrainage_down = newImage("images_env/parrainage-down.gif");
		parrainage_up = newImage("images_env/parrainage-up.gif");
		journaux_down = newImage("images_env/journaux-down.gif");
		journaux_up = newImage("images_env/journaux-up.gif");
		livre_d_or_down = newImage("images_env/livre_d_or-down.gif");
		livre_d_or_up = newImage("images_env/livre_d_or-up.gif");
		maternelle_down = newImage("images_env/maternelle-down.gif");
		maternelle_up = newImage("images_env/maternelle-up.gif");
		tele_fichiers_down = newImage("images_env/tele_fichiers-down.gif");
		tele_fichiers_up = newImage("images_env/tele_fichiers-up.gif");
		partenaires_down = newImage("images_env/partenaires-down.gif");
		partenaires_up = newImage("images_env/partenaires-up.gif");
		liens_down = newImage("images_env/liens-down.gif");
		liens_up = newImage("images_env/liens-up.gif");
		contact_down = newImage("images_env/contact-down.gif");
		contact_up = newImage("images_env/contact-up.gif");
		special_ca_down = newImage("images_env/special_ca-down.gif");
		special_ca_up = newImage("images_env/special_ca-up.gif");
		
		actions_terminees_down = newImage("../images_env/actions_terminees-down.gif");
		actions_terminees_up = newImage("../images_env/actions_terminees-up.gif");
		actions_futures_down = newImage("../images_env/actions_futures-down.gif");
		actions_futures_up = newImage("../images_env/actions_futures-up.gif");
		actions_en_cours_down = newImage("../images_env/actions_en_cours-down.gif");
		actions_en_cours_up = newImage("../images_env/actions_en_cours-up.gif");

		preloadFlag = true;
	}
}