Here is how you enable your JavaScript:
Netscape 3.x
1. Click on Options
2. Click on Network Preferences...
3. Click on Language
4. Select Enable Javascript
5. Click on ok
Netscape 4.x
1. Click on Edit
2. Click on Preferences...
3. Click on Advanced
4. Select Enable Javascript
5. Click on ok
Explorer
Don't know, Don't Use it