Thanks. How cam I also add a Journal block too? Eg, to only activate when I certain Journal entry is met?
yes you can indeed.
here is a link to Morrowind Scripting for Dummies, an invaluable resource.
http://www.tesnexus.com/downloads/file.php?id=13969
here is a quick link to all the functions you can use in scripting
http://www.uesp.net/wiki/Tes3Mod:Categorical_Function_List
and here's a forum thread with a large and rather helpful listing of tutorials and help resources for just about every aspect of modding morrowind
http://www.gamesas.com/index.php?/topic/24-comprehensive-tutorial-and-useful-link-list/