Authentication Required popup in Firefox in Selenium when register

Question

I have a selenium2 test by junit4,FireFox3.5, when type some register information then click an button to submit,it will turns to HTTPS Authentication Required popup. How can I handle this security popup input username and password. then it will turn to an https page and register succeed. Image like that

public void testUntitled() throws Exception {
selenium.open("/");
selenium.waitForPageToLoad("30000");
selenium.select("year", "label=2014");
selenium.select("day", "label=03");
selenium.type("firstName", "asd");
selenium.type("lastName", "df");
selenium.click("//div[@id='page-body']/div[1]/input");
Thread.sleep(30000);

Answer 1

Well, you can make you use of the AutoIT script to handle this popup.

AutoIT script

WinWaitActive("Authentication Required")

Send("username")

Send("{TAB}")

Send("password")

Send("{ENTER}")

Through this script I hope you will able to handle.