User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 focus goes to unexpected places when tab or shift+tab is pressed. <select> HTML elements and submit buttons are passed over. Reproducible: Always Steps to Reproduce: 1. browse to http://www.amazon.com 2. click on the main amazon search input box 3. press the shift+tab keys Actual Results: the department category select dropdown does not receive focus Expected Results: the department category select dropdown receives focus also tried this in Firefox safe mode. same bug on OS X 10.4 PPC OR OS X 10.6 Intel.