How to determine whether a user has a flash player installed on their system using java script.
Created May 7, 2012
Nitesh Naveen
<script language="javascript"> var plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0); if (plugin && parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)) >= 4) { alert("Flash 4 or greater is available")} else { alert("Flash 4 is not available")} </script>should help you detect flash plug in