JavaScript is built into Firefox. Type '''about:addons'''<enter> in the address bar to open the '''Add-ons Manager.''' Hot key; '''<Control>''(Mac=<Command>)'' <Shift> A)''' On the left side of the page, select '''Plugins.''' Make sure the ones you want to use are set to '''Ask''' or '''Allow.''' -------------- Go to the web page. Once the page is loading, mouse to the address bar and '''Left''' click the icon. Select '''Permissions.''' In the menu, Make sure the ones you want to use are set to '''Ask''' or '''Allow.'''