if (top.location != self.location) {
	top.location = self.location
}
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) {
		etudiants_omo = newImage("gifs/etudiantsomo.gif");
		professionnels_omo = newImage("gifs/professionnelsomo.gif");
		presentation_omo = newImage("gifs/presentationomo.gif");
		preloadFlag = true;
	}
}