redirect gif animation stops

When the length of background processing might cause a delay in display
of
a web page, we created an ASP that displays a text message and an
animated
GIF.

The <BODY> tag's OnLoad event points to a JavaScript function WinLoad()
which looks like the following.

function WinLoad()
    {
    parent.location.href =  '<%=sRedirectPage%>';
    document.images["Processing3"].src=document.images
["Processing3"].src;
    }

The variable sRedirectPage is set by another function which parses the
query string.

"Processing3" is the NAME of the animated GIF in an <IMG> tag.

This works in IE 5.5 but in IE 4 and NS 4.7 the animated GIF stops while
waiting for the redirected page to display.

Can anyone help me with this?
xzhang4Asked:
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ckosloskiConnect With a Mentor Commented:
You could try using frames.  

I had a similar problem.  We put the animation in the top frame and put the processing in the bottom frame that was 1 pixel with no scrollbars or border.  Then on any page that is redirected to after the "wait" page, you use the following code to break out of the frame.

<script>
//Break out of the frame.
<!--//cloak
if (top.location.href != location.href)
     top.location.href = location.href;
//uncloak -->
</script>
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dij8Commented:
You seem to be changing the Processing3 image to the same thing.  What is the point of it?

That aside, this is very similar to clicking an animated anchor tag.  Whether you would call it a bug or a feature is undecided but what is happening I believe is the current page stops processing.  Which includes the processing of animated gifs.  I don't think there is a way around this.

But maybe, just maybe, a solution would be to remove focus:
document.images["Processing3"].blur()
or if that doesn't work then focus on something else:
document.["otherobject"].focus()

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