if (document.images)
{
promoson = new Image();           
promoson.src = "images/nav/promos_over.gif";             
promosoff = new Image();         
promosoff.src = "images/nav/promos.gif";

forfaitson = new Image();           
forfaitson.src = "images/nav/forfaits_over.gif";             
forfaitsoff = new Image();         
forfaitsoff.src = "images/nav/forfaits.gif";

hebergementon = new Image();           
hebergementon.src = "images/nav/hebergement_over.gif";             
hebergementoff = new Image();         
hebergementoff.src = "images/nav/hebergement.gif";

serviceson = new Image();
serviceson.src = "images/nav/services_over.gif";
servicesoff = new Image();
servicesoff.src = "images/nav/services.gif";
      
attraitson = new Image();           
attraitson.src = "images/nav/attraits_over.gif";
attraitsoff = new Image();
attraitsoff.src = "images/nav/attraits.gif";

tarifson = new Image();           
tarifson.src = "images/nav/tarifs_over.gif";             
tarifsoff = new Image();         
tarifsoff.src = "images/nav/tarifs.gif";

reservationon = new Image();
reservationon.src = "images/nav/reservation_over.gif";
reservationoff = new Image();
reservationoff.src = "images/nav/reservation.gif";

coordonneeson = new Image();           
coordonneeson.src = "images/nav/coordonnees_over.gif";             
coordonneesoff = new Image();         
coordonneesoff.src = "images/nav/coordonnees.gif";

etoileson = new Image();           
etoileson.src = "images/3etoiles_over.gif";             
etoilesoff = new Image();         
etoilesoff.src = "images/3etoiles_th.gif";

}


        function rollover(imgName) {
		if (((navigator.appName == "Microsoft Internet Explorer") && 		
		(navigator.appVersion >= "4")) || ((navigator.appName == "Netscape") && 
		(navigator.appVersion >= "3"))) {        
               imgOn = eval(imgName + "on.src");
               document [imgName].src = imgOn;
               }
               }

       function rollout(imgName) {
       if (((navigator.appName == "Microsoft Internet Explorer") && 		
		(navigator.appVersion >= "4")) || ((navigator.appName == "Netscape") && 				
		(navigator.appVersion >= "3"))) {
               imgOff = eval(imgName + "off.src");
               document [imgName].src = imgOff;
       			}
						}
/*
on = new Image();
on.src = "images/_over.gif";
off = new Image();
off.src = "images/.gif";
<a href="" onMouseOver="rollover('')" onMouseOut="rollout('')">
*/