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) {
		Over01= newImage("/images/btASavoir.gif");
		Over02 = newImage("/images/btADemander.gif");
		Over03 = newImage("/images/btAVivre.gif");
		Over04 = newImage("/images/btAPratiquer.gif");
		Over05 = newImage("/images/btADevelopper.gif");
		Over06 = newImage("/images/btASuivre.gif");
		Over07 = newImage("/images/btAffaires-over.jpg");
		Over08 = newImage("/images/btVoyageur-over.jpg");
		Over09 = newImage("/images/btResident-over.jpg");
		Over10 = newImage("/images/btRepondre-over.gif");
		Over11 = newImage("/images/btFleche-over.gif");
		preloadFlag = true;
	}
}

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