javascript returns 'undefined'

I have the following script which I want to capture the curret scroll position and write it to the screen. But instead of writing a figure it is writing the word 'undefined'

here is my script.

<script language=javascript>
var test = window.pageYOffset;

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Kamaraj SubramanianApplication Support AnalystCommented:

please find the attached code
var ScrollTop = document.body.scrollTop;
if (ScrollTop == 0)
    if (window.pageYOffset)
        ScrollTop = window.pageYOffset;
        ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;

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Kamaraj SubramanianApplication Support AnalystCommented:

var xposition;
var yposition;
function saveScrollC() {
xposition = document.body.scrollLeft:window.pageXOffset;
 yposition = document.body.scrollTop:window.pageYOffset;

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Shahzad Fateh AliWeb Solutions Architect & Technical Project Manager- VentureDive (Pvt) LtdCommented:
Your code will only work in netscape.
Refer to following document for complete list
Mr_ShawAuthor Commented:
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