// FONCTION ROLL OVER
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];
		}
	}
}


// FONCTION PRELOAD IMAGES

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		over_menu_BT_societe = newImage(/*URL*/'img/menu_BT_societe-over.gif');
		over_menu_BT_contact = newImage(/*URL*/'img/menu_BT_contact-over.gif');
		over_menu_BT_MAJ = newImage(/*URL*/'img/menu_BT_MAJ-over.gif');
		over_menu_BT_web = newImage(/*URL*/'img/menu_BT_web-over.gif');
		over_menu_BT_soft = newImage(/*URL*/'img/menu_BT_soft-over.gif');
		over_menu_BT_bacchus = newImage(/*URL*/'img/menu_BT_bacchus-over.gif');
		over_menu_BT_references = newImage(/*URL*/'img/menu_BT_references-over.gif');
		preloadFlag = true;
	}
}