try that link i posted. if it's something you want here is the code.
<cfif IsDefined('FORM.submit')>
<cfoutput>#form.radiobutton#</cfoutput>
<cfcontent type="video/x-msvideo" file="D:\locationOfMyFile\#form.radiobutton#">
<cfheader name="Content-Disposition" value="filename=kristie.xls">
<cfelse>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
</head>
<body>
<form name="form1" method="post" action="">
<p>please click on one of the followings ...</p>
<p> </p>
<p>
<input name="radiobutton" type="radio" value="Friday_vs_Monday.wmv">Friday vs. Monday</p>
<p>
<input name="radiobutton" type="radio" value="production1.wmv">
Yes (?) </p>
<p>
<input name="radiobutton" type="radio" value="karate and sumo.mpg">
Karate vs. Sumo </p>
<p>
<input name="radiobutton" type="radio" value="GhostlyCarAd.wmv">
Ghostly Car Ad </p>
<p>
<input name="radiobutton" type="radio" value="flat_eric.avi">
Flat Eric </p>
<p><input name="radiobutton" type="radio" value="never scare a brother.avi">
Never Scare a Brother</p>
<p>
<p><input name="radiobutton" type="radio" value="ping_pong.asf">
Ping Pong</p>
<p>
<input type="submit" name="Submit" value="Get It...">
</p>
</form>
</body>
</html>
</cfif>