function getFlashVersion() {
	var dontKnow = false;
	var agent = navigator.userAgent.toLowerCase();

	// NS3+ and Opera3+ (support plugin array):  check for Flash plugin in plugin array
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		var flashPlugin = navigator.plugins['Shockwave Flash'];
		if (typeof flashPlugin == 'object') {
			if (flashPlugin.description.indexOf('7.') != -1) flashVersion = 7;
			else if (flashPlugin.description.indexOf('6.') != -1) flashVersion = 6;
			else if (flashPlugin.description.indexOf('5.') != -1) flashVersion = 5;
			else if (flashPlugin.description.indexOf('4.') != -1) flashVersion = 4;
			else if (flashPlugin.description.indexOf('3.') != -1) flashVersion = 3;
			else if (flashPlugin.description.indexOf('8.') != -1) flashVersion = 8;
			else if (flashPlugin.description.indexOf('9.') != -1) flashVersion = 9;
		}
	}
	// IE4+ on Win32:  attempt to create an ActiveX object using VBScript
	else if (navigator.userAgent && navigator.userAgent.indexOf("MSIE")>=0 && (navigator.appVersion.indexOf("Win") != -1)) {
	  	document.write('<scr' + 'ipt language="VBScript"\> \n');
		document.write('on error resume next \n');
		document.write('dim obFlash \n');
		document.write('set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.6") \n');
		document.write('if IsObject(obFlash) then \n');
		document.write('flashVersion = 6 \n');
		document.write('else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.5") end if \n');
		document.write('if flashVersion > 6 and IsObject(obFlash) then \n');
		document.write('flashVersion = 5 \n');
		document.write('else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.4") end if \n');
		document.write('if flashVersion < 5 and IsObject(obFlash) then \n');
		document.write('flashVersion = 4 \n');
		document.write('else set obFlash = CreateObject("ShockwaveFlash.ShockwaveFlash.3") end if \n');
		document.write('if flashVersion < 4 and IsObject(obFlash) then \n');
		document.write('flashVersion = 3 \n');
		document.write('end if');
		document.write('</scr' + 'ipt\> \n');
  }
	// Can't detect in all other cases
	else {
		flashVersion = flashVersion_DONTKNOW;
		dontKnow = true;
	}
	return flashVersion;
}
