Check if Flash supported

has-flash.js

/* Check if Flash is installed - http://bit.ly/QnBX8L */
var hasFlash = false;
try {
	var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
	if(fo) {
		hasFlash = true;
	}
}
catch(e) {
	if( typeof navigator.mimeTypes ["application/x-shockwave-flash"] !== 'undefined' ) {
		hasFlash = true;
	}
}