MS Word letterhead (page-header) with different margins on pages -

i have got word document 2 pages. margin of page-header should different on 2 pages. tried lot have margin of 4 cm on first page , 9 cm on second page no success. used word 2003.

what did:

• went second page , opened "header , footer" bar.
• i added page-numbers , top-margins , clicked on "page setup" on "header , footer"-bar
• afterwards checked box "different first page" , modified header first page, too.

problem: margin of page-header same on both pages

additional info: found tutorial did not me:

http://wordfaqs.mvps.org/letterhead.htm

it's easy if know it:

enter header on second page. add many "returns" need widen header bottom. sometime "returns" in header have delay. click on "different first page". that's it! have different margin on first page compared following pages.

it confusing word has option header-margin. option changes header globally.