Check Adobe flash plugin support for browser

flash_support.js

// check flash support for visitor browser
function isFlashSupported() {
  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;
    }
  }
  return hasFlash;
}