I was at a client and the question came up "Can I jump to another web based tool from my report?". The answer seemed obvious ... YES. What was not straightfoward was how to open the other web based tool in another window. Here is a solution a found (someone else's idea) that helped.
When designing the report:
Please note that you should replace the http://www.microsoft.com with the URL you would like to launch. Also note, that the second parameter of '_blank' is the standard window.open target meaning a new window.