JavaScript Error "javascript.JSException: Unknown name"

This article applies to:

Platform(s): All Platforms
Browser(s): All Browsers
Java version(s): 1.4.2_xx

SYMPTOMS

The web page does not function as expected and displays a JavaScript programming language error:
JavaScript Error "javascript.JSException: Unknown name"

NOTE: JavaScript is a Netscape technology. For additional information about JavaScript, refer to the mozilla.org page titled, "What is JavaScript?"

CAUSE

Some possible causes are:

The JavaScript technology option in the browser is not enabled.
The browser does not support JavaScript technology.
The web page has a JavaScript programming error.

SOLUTION

Follow these instructions to enable JavaScript technology in the web browser:

Internet Explorer

From the browser menu bar:

Select Tools > Internet Options.
Dialog box: Internet Options
Click the Security tab.
Click Custom Level.
Scroll down to find Scripting of Java applets.
Click Enable.
Click OK.
Click OK.

Mozilla

From the browser menu bar:

Select Edit > Preferences.
Dialog box: Preferences
Click Advanced icon.
Select Scripts & Plugins.
Select the Navigator check box under Enable JavaScript for.
Click OK.

Netscape

From the browser menu bar:

Select Edit > Preferences.
Dialog box: Preferences
Click the Advanced icon.
Select Scripts & Plugins.
Select Navigator check box under Enable JavaScript for.
Click OK.

Mozilla Firefox

From the browser menu bar:

Select Tools > Options.
Click Web Features.
Select the Enable JavaScript checkbox.
Click OK.

Opera

From the browser menu bar:

Select File > Quick preferences.
Select the Enable JavaScript checkbox.
Click OK.

If JavaScript technology is already enabled in the web browser, then the error message indicates that there is a programming error in the JavaScript code.
Contact the webmaster of that site to report the error including the:

Error message
Type and version of the browser used
URL of the web page that displayed the error message
Steps to reproduce the error