1. Install Latest Mozilla Firefox browser (Now 6.0.x)
2. Install Latest Selenium IDE(Now 1.2.0) from http://seleniumhq.org/download/
3. Restart Fire fox — Open Selenium IDE (Tools –> Selenium IDE)
4. Options — Click Options
5. Change the settings like below
6. Record few actions in IDE and save the recorded script.
7. Refer Screenshot to convert it into Selenium WebDriver ruby code.