how to install firefox on linux redhat 5

http://www.tejasbarot.com/2013/06/03/install-upgrade-firefox-17-x-on-rhel-centos-5-x-32-bit-64-bit-x86_64-linux/#axzz3CJOTFunN

http://unix.stackexchange.com/questions/61577/how-to-easily-install-google-chrome-and-firefox-on-rhel-5-4-redhat