Internet Explorer:
NOTE: Pre-IE 5.0 Browsers are NOT Supported for JavaScript IE 5.0

IE 5.0
NOTE: MAC Computers running Internet Explorer versions less than 6.0
or Netscape versions less than 5.0 are NOT supported for Javascript.

Tools
Internet Options
Security Tab
Custom Level (Button)
Scroll to SCRIPTING section
Use Radio button select of Enable or Disable to turn Java Script support on or off
IE 5.5
Tools
Internet Options
Security Tab
Custom Level (Button)
Scroll to SCRIPTING section
Use Radio button select of Enable or Disable to turn Java Script support on or off
IE 6.0
Tools
Internet Options
Security Tab
Custom Level (Button)
Scroll to SCRIPTING section
Use Radio button select of Enable or Disable to turn Java Script support on or off
NOTE: Pre-Netscape 4.5 Browsers are NOT Supported for JavaScript Netscape 4.5
Edit
Preferences
Advanced (link on left Nav of Preferences)
Check the following:
Enable Java
Enable Style Sheets

Netscape:
NOTE: Netscape 4.5 will not support the enhanced Cross Reference JavaScript features

Netscape 6.0
Edit
Preferences
Advanced
Place a check mark in the Enable Java box
Place a check mark in the Enable JavaScript for Navigator box
Netscape 7.0
Please allow popup windows, otherwise you might not be able to see the details of our products.
Edit
Preferences
Double click Advanced
Select Scripts & Plugins
The following two boxes must have checkmarks for JavaScript to be supported:
Open a link in a new window
Raise or lower windows
It is strongly recommended that the user simply place a checkmark in the Navigator box, located on the top section of the Scripts & Plugins page