ÿþ

        function lightup(imageobject, opacity){

         if (navigator.appName.indexOf("Netscape")!=-1

          &&parseInt(navigator.appVersion)>=5)

            imageobject.style.MozOpacity=opacity/100

         else if (navigator.appName.indexOf("Microsoft")!= -1 

          &&parseInt(navigator.appVersion)>=4)

            imageobject.filters.alpha.opacity=opacity

        }