Macintosh Netscape 4.7 (checked only for 4.0)

1. From your browser's main menu, select Edit / Preferences . . .
2. A Preferences dialog box opens. Click Advanced in the list on the left of the box.
3. The right side of the box should now display some "advanced" options. In the top right of the dialog, select "Enable Javascript". (While you're at it, make sure that "Enable Java" and "Enable style sheets are also selected.)
4. Click OK to exit the Preferences dialog.