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 bAgent	= window.navigator.userAgent;
var bAppName	= window.navigator.appName;
var isNS		= (bAppName.indexOf("Netscape") >= 0);
var bVers		= window.navigator.appVersion;
var isNewV		= (window.navigator.appVersion.indexOf("5.") >= 0);
var isIE		= (bAppName.indexOf("Explorer") >= 0);
var isWin		= (bAgent.indexOf("Win") >= 0); 
var isMac		= (bAgent.indexOf("Mac") >= 0); 

function platform(){
	if (isWin) {
		str_style='<link rel="stylesheet" href="styles/MFleur.css">';
	}
	if ((isMac)&&(isNS)&&(!isNewV)) {
		str_style='<link rel="stylesheet" href="styles/MFleur-mac.css">';
	}
	else if ((isMac)&&(isNewV)) {
		str_style='<link rel="stylesheet" href="styles/MFleur-mac.css">';
	}
 	document.write(str_style);
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		menu_princ_over = newImage("nav/menu_princ_over.gif");
		horaires_over = newImage("nav/horaires_over.gif");
		adresses_over = newImage("nav/adresses_over.gif");
		offres_over = newImage("nav/offres_over.gif");
		activites_over = newImage("images/activites-over.gif");
		preloadFlag = true;
	}
}
platform();