Are there alternative methods, besides PHP, to redirect users who cannot view Flash movies to a different page variant?

When users cannot view Flash movies, it is important to redirect them to a different page variant that does not rely on Flash content. One alternative method to achieve this is by using JavaScript to detect if the browser supports Flash, and if not, redirect the user to a different page. 

<?php
if (isset($_SERVER['HTTP_USER_AGENT']) && stripos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false) {
    echo '<script>window.location.replace("alternative_page.php");</script>';
}
?>

Keywords

Flash PHP redirection user agent alternative methods

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