Your question is confusing.

You code clarifies it a little, but you would do well to take Arguile's good advice.

My guess is that you have two misunderstandings:

• <SCRIPT></SCRIPT> tags instruct the browser to execute javascript (or M$ equivalent), not perl
• It is possible to print HTML directly to the browser instead of printing to a file and redirecting to that file.

Given the second point, you may want to consider redirecting to a perl program which prints the 'Analysis in Progress' message in a refreshing HTML document until the background task is complete.
eg.

if(&ready) {
    &redirect_to_results;
} else {
    print &wait_page_html;
}
[download]

where &ready might look for the existance of a file on the server indicating that the background task is complete.

Of course, I may have completely misunderstood the question
- Boldra

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