Or Add Account to Group
 Code:
$ldap = GetObject("LDAP://CN=SomeGroup,OU=SomeSubOU,OU=SomeOU,DC=SomeDomain,DC=SomeDomainExtention")
$ldap.Add("LDAP://CN=TestUserOrComputer,OU=SomeSubOU,OU=SomeOU,DC=SomeDomain,DC=SomeDomainExtention")