Auto scroll webpage then update page

hi - I'm using the following code below.  After the page is done scrolling I need to change to a different page.  I'm not sure how to determine when the page has finished scrolling.  I can use something different if needed.

Thanks!!

 

<script type="text/javascript">

function pageScrollPause() {
  window.setTimeout(pageScroll,6000)
}

function pageScroll() {
    document..scrollBy(0,1);
    scrolldelay = setTimeout('pageScroll()',10);
}
</script>

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