netscape navigator 3.01 or later then the plug-ins you require should already be there, namely the quicktime and liveaudio plug-ins.if you have netscape navigator 2 then you will need a plug-in to read embedded quicktime movie files.
these plug-ins are available from
quicktime or moviestar.
if you are using a mac, you can make this page talk: if you want to find out more about
talker press here.
some text to speech scripts read by computer voices