I want to log in the website use firefox. The url is  https://weblogin.utoronto.ca/ after log in I want to download the pdf use firefox https://login.library.utoronto.ca/auth/start.pl?url=http://www.jbc.org/content/290/7/4163.full.pdf Can u help me? Especially how to log in ? name: loginname password: 123456  above is not a correct password, just for example. and the pdf can not download directly. Only can download by log in firstly.