Better answer:
You don't need to clear your cookies, and lose all your saved passwords etc for every site you use on the internet. You only need to to delete the cookies for http://hip.jcu.edu.au/....
Chrome users can do this by clicking on a link to bring up the HTTP error page, clicking on the exclamation mark to the left of the URL and deleting the cookies from there.
We acknowledge the Australian Aboriginal and Torres Strait Islander peoples as the first inhabitants of the nation and acknowledge Traditional Owners of the lands where our staff and students, live, learn and work.