Internet Explorer for Windows
From the "Tools" menu of IE, select the "Internet Options". Click on the "Security" tab. Make sure the "Internet" globe icon is highlighted. Click on the "Custom Level..." button to bring up the security options for your browser. Search through the menu for the "Active scripting" option. Make sure "Enable" is selected. Click the "OK" button. Close this window and click the "Refresh (F5)" button of the page requiring Javascript.
Firefox for Windows
From the "Tools" menu of Firefox, select "Options...". Select the "Content" tab and check the "Enable JavaScript" option. Click "OK" to close this window, then click the "Reload current page" button of the page requiring Javascript.
Safari for Macintosh
Go to and select the "Preferences..." option in the "Safari" menu. Click on the "Security" icon in the top row of preference options. Under the "Web Content:" category, make sure the "Enable JavaScript" box is checked. Close this window and click the "Reload" button of the page requiring Javascript.
Safari for Windows
From the pull down menu that looks like a gear, select the "Preferences..." option. Click on the "Security" icon in the top row of preference options. Under the "Web Content:" category, make sure the "Enable JavaScript" box is checked. Close this window and click the "Reload" button of the page requiring Javascript.
Firefox for Macintosh
Choose "Preferences..." under Firefox's menu bar. Select the "Content" tab and check the "Enable JavaScript" option. Close this window and click the "Reload current page" button of the page requiring Javascript.