My suggestions would be ...
1. Downld the "Offline" Java installer from here
Java 1.5 (take the JRE) & install it 1st!
2. Get the "Offline" LW installer. Then try installing that.
3. If the offline doesn't work, then get the "Other" version. Just unzip & use. You'll see it on the downld page listed as "Other" under mac classic.
ie: ? Other (OS/2, Solaris, Linux)