- Popups: Throughout the application, several tools and functions rely on popup windows. Note that popup blockers (either directly from the browser or as add-ons) must be configured to allow popups from the application. If a popup blocker prevents a popup from the system, a warning message will be display below the menu. You will need to enable popups to use the system.
- Javascript: Javascript must be enabled in the browser to use the system. If Javascript is not enabled, an error message will be displayed at the top of the window.
- Cookies: Cookies must be enabled to use the system. If cookies are not enabled, an error page is displayed. Note that respondents can take surveys even if cookies are disabled for their browser.