Adding a button with javascript to sharepoint page

By putting a content editor web part with the following:

<BUTTON onclick="window.location.href='http://intranet/Legal/contracts/Search_URL.aspx?Project_Number='+document.location.href.substr(42,7)">Load\View Project Contracts</BUTTON>

some useful reference about Kerberos Authentication

- How to: Enable Kerberos Authentication on a SQL Server Failover Cluster

http://msdn.microsoft.com/en-us/library/ms189585%28SQL.90%29.aspx

- ISA Server 2006 does not support using cross-domain or cross-forest trusts to include more than one Active Directory domain in a Kerberos constrained delegation scenario.

http://technet.microsoft.com/en-us/library/bb794858.aspx