User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11 Dear Madam/Sir, In this web page, when I click a link of song to download, a window of download manager will pop up, option "open with" or "save to disk" will be selected. But the "ok" button is gray. one click will turn the ok button to be enabled, the second click leading file downloaded to be saved or opened. Reproducible: Always Steps to Reproduce: 1.open fireox 2.goto URL http://mp3.baidu.com/m?f=ms&tn=baidump3&ct=134217728&lf=&rn=&word=country&submit=%B0%D9%B6%C8%CB%D1%CB%F7&lm=0 3.click song name, a new window is opened, click link of song 4. window of download manager is pop up Actual Results: you will see "ok" button is in gray. Expected Results: "ok" button should be enabled same as "cancel" button no way to attach screen shot which should help you to see problem clearly

The behavior you describe, "One click will turn the ok button to be enabled" is bug 260560.