to a couple of these sites so we could see if we can duplicate your problem?
Does Firefox still function normally on the sites?
Since switching to Google Chrome from Firefox I find I can't upload pictures. I write for a website, and have also tried to upload pictures to a review site, but it never presents me with the browse option to look for and attach the pictures. Other users of Chrome can't understand my problem, I've gone into advanced settings and checked that everything is as (I think) it should be but always have to use IE if I want to upload pictures. Any suggestions would be helpful as I would then at least have one less browser open.