How to enable JavaScript in Netscape Navigator (7.1 & 7.2)
- Select 'Edit' from the top menu

- Choose 'Preferences'
- Double-click on 'Advanced' from the left navigation panel to open the sub-menu

- Choose 'Scripts & Plugins' as shown above.
- Select the checkbox next to 'Navigator' under the 'Enable JavaScript for' grouping
- Click OK to close the 'Preferences' dialog box and reload the page.
How to enable JavaScript in Netscape Navigator (8.1)
- From the Tools menu, click Options.

- Under Security and Privacy, click to select Site Controls.

- From Web Features, under the Site List tab, click to select Enable JavaScript and Enable Java.

- To save your settings, click OK.
- Reload the Page.