Greetings to all, Geodetic (newcomer) here, I have been putting together an application with a help file, and hit walls when it came to integrating help! A search of the forums turned up some hints, but also a lot of problems. So my last little while has been involved in putting together my HtmlHelp UDF - a fairly complete UDF for implementing help in your AutoIt applications. It provides functionality for Help file tab control (Contents, Index, Search) displaying topics by ID