Normal = new Image(); 
    Normal.src = "../img/blank.gif";
    
    Hilite1 = new Image();
    Hilite1.src = "../img/hilite_basecamp_s.jpg";
        
    Hilite2 = new Image();
    Hilite2.src = "../img/hilite_mandina_s.jpg";
        
    Hilite3 = new Image();
    Hilite3.src = "../img/hilite_baobab_s.jpg";
    
    Hilite4 = new Image();
    Hilite4.src = "../img/hilite_map_s.jpg";
    
    Hilite5 = new Image();
    Hilite5.src = "../img/hilite_panoramic_s.jpg";

    function hilite_s(picnum,picobject)
    {       
       window.document.images[picnum].src = picobject.src;
    }