var MM_FlashControlInstalled;	// is the Flash ActiveX control installed?
var MM_FlashControlVersion;	// ActiveX control version if installed

function isFlashInstalled() {
	if (navigator.plugins && navigator.plugins.length > 0) {
		// Check whether the plug-in is installed:
		if (navigator.plugins["Shockwave Flash"]) {
			return true;
		}else {
			return false;
		}
    } else if (MM_FlashControlInstalled) {
		return true;
	} else {
		return false;
	}
}