var browserName = navigator.appName;
        var browserVer = parseFloat(navigator.appVersion);
        var browserMac = navigator.appVersion.indexOf("Macintosh");
        var browserWin = navigator.appVersion.indexOf("Win");
        
        var loaded = false;

        version = "ack";
        if (browserName == "Netscape"
                && browserVer >= 3) version = "n3";
        if (browserName == "Microsoft Internet Explorer"
                && browserVer >= 3.01
                && browserMac != -1) version = "ie3m";
        if (browserName == "Microsoft Internet Explorer"
                && browserVer >= 4) version = "ie4";
        
        var rollOk = (version == "n3"
                || version == "ie3m"
                || version == "ie4") ? true : false;
               
               
         if (rollOk) {
                preLoad = new Image();
                preLoad.src = "images/base_webdesign_in.gif";
                preLoad = new Image();
                preLoad.src = "images/base_webdesign_in_eng.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_francais_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_english_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_motdebienvenue_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_nosservices_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_visiteznotreresidence_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_contacteznous_in.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_motdebienvenue_in_eng.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_nosservices_in_eng.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_visiteznotreresidence_in_eng.gif";
                preLoad = new Image();
                preLoad.src = "images/menu_contacteznous_in_eng.gif";
                preLoad = new Image();
                preLoad.src = "images/francais_in.gif";
                preLoad = new Image();
                preLoad.src = "images/english_in.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/01.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/02.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/03.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/04.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/05.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/06.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/07.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/08.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/09.gif";
                preLoad = new Image();
                preLoad.src = "photos_residence/10.gif";



                loaded = true;}
    

function changePix(imgNum,imgSrc)
{
if (rollOk)
{
if (loaded)
{
document.images[imgNum].src = imgSrc;
}
}
}