Detect Flash enabled in IE and firefox

<head>
<script>var hasFlash = false;
try {
  var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
  if(fo) hasFlash = true;
}catch(e){
  if(navigator.mimeTypes ["application/x-shockwave-flash"] != undefined) hasFlash = true;
}
if(!hasFlash)window.location="/static-content.html";
</script>