If you're using Internet Explorer:
1. Click the Tools menu.
2. Select Internet Options.
3. Click the Security tab.
4. Click the Custom Level button.
5. Scroll down until you see the Scripting section. Select the Enable button for Active Scripting.
6. Click the OK button.
7. Click the Yes button in the confirmation window.
8. Click the Privacy tab.
9. Click the Default button.
10. Move the slider to Medium.
11. Click the OK button. You're done!

If you're using Firefox on Windows:
1. Click the Tools menu.
2. Select Options.
3. Click the Contents tab.
4. Select the "Enable JavaScript" checkbox.
5. Click the Security tab.
6. Select the "Accept cookies from sites" checkbox.
7. Click the OK button. You're done!

If you're using Firefox on Mac OSX:
1. Click the Firefox menu.
2. Select Preferences.
3. Click the Contents tab.
4. Select the Enable JavaScript checkbox.
5. Click the Security tab.
6. Select the "Accept cookies from sites" checkbox.
7. Close the dialog window. You're done!

If you're using Safari:
1. Click the Safari menu.
2. Select Preferences.
3. Click the Security tab.
4. Select the "Enable JavaScript" checkbox.
5. Under Accept cookies, select the "Only from sites you navigate to" radio button.
6. Close the dialog window. You're done!