I found this free download BUT I have NOT downloaded it yet because I am downloading something else. Maybe someone with high speed can check it out, I know this download is from a safe site .... C Net Downloads
Multi-Login Helper 1:
Multi-Login Helper is an IE7 add-on that helps you to open multiple accounts on a Web site in the same IE7 browser
http://www.download.com/Multi-Login-Helper/3000-12777_4-10636784.html?cdlPid=10636785