Fullscreen in IE AND Netscape

i'm working on a webbased-training site that will distributed to different non-profit-organizations. it will run on the intranet of those organizations.
the employees will get a mail with a link to that intranet-page.
i want it to open in a fullscreen (superkiosk-mode). on my index.htm i've put a little function, which opens a new window:
window.open ("start/welcome.htm", "","fullscreen=yes,scrollbars=auto")
with this solution i've got 2 problems:
1. this only works in IE and netscape 7.0. in netscape 4.0 - 7.0 it won't work.
2. in IE, i still have the scroll-area on the right hand side of the page. i can't make it disappear completely.
you can see this on:
http://www.alineo.ch/faktor_max/test/
i wish, the user could click in the mail on the link and the browser window opens in superkiosk, if possible without an index.htm page (which has the function). isn't it possible to make it open directly in superkioskmode? otherwise i can live with the index-page. but how do i open a page in superkioskmode from the index-page? is there any script, just a way to make it work in netscape 4.0-7.0 and IE? i've looked up the internet for so long already and just can't find a solution. i really hope that somebody can help me in some way.
thanks in advance for your help.

Full Screen was only an IE supported feature up to the new version of Netscape which you figured out.
get rid of scrollbars is rather easy with css
<body style="overflow:hidden">
there is some work arounds for this full screen problem with the other browser, you can open a cromeless window with no tool bars for the browsers tha do not support it.
I will write the code after I get off of work if you want it.
eric

thx so much for the css.
yeah, it would be great, if you could write the code. thank you so much for your help eric.