User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30618) Build Identifier: 3.5.2 When putting an iframe in a marquee tag <marquee.... It lags and doesnt scroll correctly. Reproducible: Always Steps to Reproduce: 1.create an iframe 2.Put it in a marquee 3.watch Actual Results: The iframe lags and the marquee does not work correctly. Expected Results: No lag and everything runs smoothly (as other browsers do)

Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.3pre) Gecko/20090814 Shiretoko/3.5.3pre I see about 11 images. When I compare the behavior with Internet Explorer I see no difference (on this computer at least). Maybe something is influencing the performance? Can you retry: - in Firefox's safe-mode to exclude extension/theme problems - with a new profile - with a reinstallation in a new empty folder http://support.mozilla.com/en-US/kb/Safe+Mode http://support.mozilla.com/en-US/kb/Basic+Troubleshooting#Make_a_new_profile

Reporter, are you still seeing this issue with Firefox 3.6.13 or later in safe mode or a fresh profile? If not, please close. These links can help you in your testing. http://support.mozilla.com/kb/Safe+Mode http://support.mozilla.com/kb/Managing+profiles

This bug has had the CLOSEME tag for several weeks and the date in the tag is far gone. If the reporter can still see this issue, Please retest with Firefox 3.6.x or later and a new profile (http://support.mozilla.com/kb/Managing+profiles). Then please remove the closeme tag in the whiteboard, mark the bug against the proper version and comment on the bug.