Internet Explorer 6 and 7

• Select Tools » Internet Option... menu item from the main menu.
• Change to the Security tab at the top of the Internet Options window that pops up.
• From the list of zones at the top of the Security options select the internet icon.
• Select the button near the bottom that reads Custom Level.
• In the new window that pops up, scroll down to the item that reads Active Scripting.
• Select the option marked Enable.

Mozilla Firefox 1.5 and 2.0

• Select Tools » Options... from the main menu.
• Select Content button from the top row of options.
• Select "Enable JavaScript." (You do not need to enable Java, but it is OK if you do.)
• Note: You may wish to install the NoScript extension for Firefox to control which sites can run JavaScript.

Safari

• Select Preferences from the Safari menu.
• Select Security tab at the top.
• Make sure "Enable JavaScript" is checked.

Opera 8 and 9

• Select Tools » Quick Preferences ... from the main menu.
• Make sure "Enable JavaScript" is checked.

Opera 6 and 7

• Select File » Preferences... from the main menu.
• Click Multimedia.
• Under the "JavaScript" heading, select "Enable JavaScript."

Konqueror

• Select Configure Konqueror from the Settings menu.
• Make sure "Enable JavaScript globally" is checked under the Java & Javascript tab.

Netscape 6.x and 7.x (Mozilla 1.0)

• Select Edit » Preferences... menu item from the main menu.
• Click on the Advanced label displayed in the list of options on the left hand side of the Preferences window that pops up.
• On the right hand side select the checkbox marked Enable Javascript for Navigator.