JavaScript must be enabled in your browser. If you're using IE in ESC configuration, try doing this:
Click the Tools button, and then click Internet Options.
Click the Security tab, and then click Trusted sites.
Click Sites.
The website should be shown in the Add this website to the zone field. Click Add.
If the site is not a secure site (HTTPS), clear the Require server verification (https:) for all sites in this zone check box.
Click Close, and then click OK.
Click the Refresh button to reload the page with JavaScript enabled.
For more information please visit Microsoft about Trusted Sites list (This may not work in this browser).