how to get unnumbered sections in TOC and headers

[Marc Flerackers]

I would like to put my introduction section in the TOC, but without it 
having a number, as otherwise my section numbers start from 2. I tried 
using section*, but then the section doesn't show up in the TOC, and the 
headers show the wrong section name. The closest I managed to get to 
what I want is to use {\setcounter{section}{-1}} so that my sections 
start at 1, but now introduction obviously is "0 Introduction". Is there 
a better way to achieve this?

Thank you,
--
Marc Flerackers ([EMAIL PROTECTED])