var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_rooms_over = newImage('/en/images_menu/rooms-over.gif');
		pre_concierge_over = newImage('/en/images_menu/concierge-over.gif');
		pre_reservation_over = newImage('/en/images_menu/reservation-over.gif');
		pre_contact_over = newImage('/en/images_menu/contact-over.gif');
		pre_the_hotel_over = newImage('/en/images_menu/the_hotel-over.gif');
		pre_mail_list_over = newImage('/en/images_communes/mail_list-over.gif');
		preloadFlag = true;
	}
}

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

function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}

function changeImages() {
	changeImagesArray(changeImages.arguments);
}

function launchwin(winurl,winname,largeur,hauteur)
{
   var winfeatures;   
   var LeftWindow = (screen.width - largeur) /2;
   var TopWindow = (screen.height - hauteur) /2;
   winfeatures ='width='+largeur+',height='+hauteur+',top='+TopWindow+',left='+LeftWindow+',scrollbars=0,resizable=0,statusbar=0,titlebar=0,toolbar=0';
   window.open(winurl,winname,winfeatures);
}