Example of code to add to the form sav button to redirect to another page when submitting a custom form

javascript: {ddwrt:GenFireServerEvent(concat(‘__commit;__redirect={DispForm3.aspx?ID’,$ID,’}'))}

 

http://autosponge.spaces.live.com/blog/cns!D7F85948C20F0293!233.entry

http://social.msdn.microsoft.com/forums/en-US/sharepointcustomization/thread/8f559dd6-fb7e-4d1f-be0c-15a6b798f7e1