Get a grip...codeweavers indeed! Get the java self extercting binary from sun http://www.java.com/en/download/linux_manual.jsp
right click it and change the permissions so it is executable, cd to wherever you want to put it and then run the script (drag and drop it into a gnome terminal works for me). Then
ln -s /path/to/java/j2re1.4.2_03/plugin/i386/ns-gcc32/libjavaplugin_oji.so libjavaplugin_oji.so
Quicktime is more complicated as you need to make the Mplayer and then the mplayerplug-in. I think there are other things that will do Quicktime to but I've never looked into them as the Mplayer does the business for me.