Internet Explorer 7
Open Internet Explorer.
Click on the Tools button (the picture of the gear) or “Tools” from the program menu.
Click on Internet Options….
Click the Security tab.
In the "Security level for this zone" box, click on Custom level….
Scroll toward the bottom of the Settings box to Scripting.
Enable active scripting.
Click OK twice to close the dialogue.
Click the Refresh button after the Address Bar at the top of your browser, or hit F5.

Internet Explorer 6
Open Internet Explorer.
Select Internet Options from the Tools menu.
In Internet Options dialog box select the Security tab.
Click Custom level button at bottom. The Security settings dialog box will pop up.
Under Scripting category enable Active Scripting, Allow paste options via script and Scripting of Java applets
Click OK twice to close out.
Hit Refresh.

Mozilla Firefox 1.5 & 2
Open Firefox.
Click on the Tools menu.
Select Options….
Click the Content tab with the Earth graphic.
Check Enable JavaScript.
Click OK.
Click Reload or hit F5.

Opera 8 & 9
Open Opera.
Select the Tools menu.
Select Quick Preferences.
Check Enable JavaScript
Click Reload or hit F5 to refresh the page.