I have finished a clients site (a photographer)it works in IE, Netscape 4.0 and above on PC...
IE 4+, Netscape 6 on Mac on Mac It does not work using Netscape 4.7 on the Mac and my client is demanding it work..does anyone know what could be wrong?

When you click on thumbnails on the right nothing happens when using Netscape 4.7 on a Mac.