1. Click the wrench icon on the browser toolbar.
  2. Select Options (Preferences on Mac and Linux; Settings on a Chromebook).
  3. Click the Under the Hood tab.
  4. Click Content settings in the "Privacy" section.
  5. Click the "Allow all sites to run JavaScript (recommended)" radio button.
    If you don't want all sites to be able to run JavaScript, click "Manage Exceptions..." button and add http://www.oregongeology.org/mthood/
  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' radio button for 'Active Scripting.'
  6. Click the OK button.
  7. If you see a confirmation window, click the Yes button.
  1. Click the Tools menu.
  2. Select Options.
  3. Click the Content tab.
  4. Select the 'Enable JavaScript' checkbox.
  5. Click the OK button.
  1. Click the Safari menu.
  2. Select Preferences.
  3. Click the Security tab.
  4. Select the 'Enable JavaScript' checkbox.