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) {
		intranet2o = newImage("img/nv/intranet2o.gif");
		forumo = newImage("img/nv/forumo.gif");
		annuaireo = newImage("img/nv/annuaireo.gif");
		rechercheo = newImage("img/nv/rechercheo.gif");
		aideo = newImage("img/nv/aideo.gif");
		lsrho = newImage("img/nv/lsrho.gif");
		acteurso = newImage("img/hp/acteurso.gif");
		conduiteo = newImage("img/hp/conduiteo.gif");
		partagero = newImage("img/hp/partagero.gif");
		reactionso = newImage("img/hp/reactionso.gif");
		ideeso = newImage("img/hp/ideeso.gif");
		outilso = newImage("img/nv/outilso.gif");
		accueilo = newImage("img/nv/accueilo.gif");
		plano = newImage("img/nv/plano.gif");
		preloadFlag = true;
	}
}

function formHandler(regions){
var URL = document.regions.choix.options[document.regions.choix.selectedIndex].value;
window.location.href = URL;
}