I made it other way, but thanks for help!
sub br()
Response.Write("<br/>")
end sub
sub prln(text)
pr(text)
' br()
end sub
dim GLOBAL_redirect
dim usrTab
Dim CONTAINER
Dim domain, user
Dim objConnection, objComman, objRecordSet
Dim lewo, prawo, czesc
Const ADS_SCOPE_SUBTREE = 2
redirect=false
set userFull = Request.ServerVariables("LOGON_USER")
usrTab = Split(userFull,"\")
Set obj = CreateObject("WScript.Network")
domain = usrTab(0)
user = usrTab(1)
CONTAINER = "dc=" & domain & ",dc=pl"
Set objConnection = CreateObject("ADODB.Connection")
Set objCommand = CreateObject("ADODB.Command")
objConnection.Provider = "ADsDSOObject"
objConnection.Open "Active Directory Provider"
Set objCommand.ActiveConnection = objConnection
objCommand.CommandText = "Select distinguishedName from " & "'LDAP://" &
CONTAINER & "' where objectClass='user' AND samAccountName='" & user & "'"
objCommand.Properties("Page Size") = 1000
objCommand.Properties("Timeout") = 30
objCommand.Properties("Searchscope") = ADS_SCOPE_SUBTREE
objCommand.Properties("Cache Results") = False
Set objRecordSet = objCommand.Execute
objRecordSet.MoveFirst
if not objRecordSet.EOF then
else
end if
lewo = objrecordset.Fields("distinguishedName").Value
Dim tablica1, tablica2
tablica1 = Split(lewo, ",")
tablica2 = Split(CStr(tablica1(0)), "=")
prln(tablica2(1))