Check "Use a name to identify this field" if you would like to use autocomplete in the form. If a textfield has the same name as another field that has been filled in earlier, the browser can make a suggestion out of that information. To make activation of the autocomplete feature possible, the form field needs a special name element. The following are available:
If you check this box you will get a warning as you cannot have two fields using the same name element on the same page.