Opera 5.X and above
Go to the File menu
Choose Quick Preferences
Check Enable Javascript
 
 

Mozilla 1.X
Go to the Edit menu
Choose Preferences
Click the arrow next to Advanced
Select Scripts & Plugins
Check Navigator beneath "Enable Javascript for"
Click OK

Internet Explorer 3.X
Go to the View menu
Choose Options
Click Security
Check Enable Java Programs
Click OK

Safari Public Beta 2 for MACOSX
Go to the Safari menu
Choose Preferences
Click Security
Check both Enable Java and Enable JavaScript
Close the window

Internet Explorer 5.X for MACOSX
Go to the Explorer menu
Choose Preferences
Press the arrow next to Web Browser
Click Web Content
Check Enable Scripting under Active Content
Click OK

Internet Explorer 5 for MACOS9
Go to the Edit menu
Choose Preferences
Press the arrow next to Web Browser
Click Web Content
Check Enable Scripting under Active Content
Click OK

Netscape 3.X
Go to the Edit menu
Choose Options
Select Network Preferences
Click Languages
Check both Enable Java and Enable JavaScript
Click OK
 

Internet Explorer 6.X
Go to the Tools menu
Choose Internet Options
Click on the Security tab  
Click Custom button
Check Enable Active Scripting, Allow paste options via script and Scripting of Java applets
Click OK

Netscape 4.X for MACOS9
Go to the Edit menu
Choose Preferences
Press Advanced
Check both Enable Java and Enable JavaScript
Click OK

Netscape 4.X
Go to the Edit menu
Choose Preferences
Press Advanced
Check both Enable Java and Enable JavaScript
Click OK

Netscape 7.X
Go to the Edit menu
Choose Preferences
Press the arrow next to Advanced
Select Scripts & Plugins
Check Navigator under "Enable Javascript for"
Click OK

Netscape 6.X for MACOSX
Go to the Edit menu
Choose Preferences
Press Advanced
Check both Enable Java and Enable JavaScript for Navigator
Click OK

AOL 4.0 and 5.0
Choose Preferences
Click on WWW
Select the Security tab
Click Custom button
Click Settings
Check Enable for Active Scripting under Scripting
Click OK

AOL 3.0
Choose Preferences
Select Security
Check Enable Java Programs, if the box is blank, single click on it
Click OK