There is a tutorial in the knowledgebase for adding another admin. It should be in site tip #1 so look for that tutorial. I have a link to the kb table of contents in my signature.
Hello Chand, your anwser is incorrecto, because "Phpfox::getUserId();" is de logged user, not de profile user. The question is How can i get the user id of a profile User (ie. index.php?do=/profile-7/) ?