Enable JavaScript and detect disable setting of client browser

Have you disabled JavaScript?

Internet Explorer

1. On the Tools menu, click Internet Options.
2. Click the Security tab.
3. Click Custom Level.
4. Scroll to Scripting. Under Active scripting, click Enable.
5. Click OK twice.

FireFox

1. Click Tools
2. Click Options
.
3. Click Content
4. Keep the Checkbox checked of Enable JavaScirpt.
5. Click OK

Chrome

1. Chrome menu at right corner of toolbar
2. Click Settings.
3. Click Show advanced settings..
4. Click Content Setting under Privacy heading
5. Click Radio buttons Under heading JavaScript saying Allow all sites to run JavaScript (recommended)

Netscape

1. On the Edit menu, click Preferences.
2. Click Advanced.
3. Select the Enable JavaScript for Navigator check box.
4. Click OK