var flashVersion = 0;
function getFlashVersion() {
	var dontKnow = false;
	
	var agent = navigator.userAgent.toLowerCase(); 
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		var flashPlugin = navigator.plugins['Shockwave Flash'];
		if (typeof flashPlugin == 'object') { 
			if (flashPlugin.description.indexOf('9.') != -1) flashVersion = 9;
			else if (flashPlugin.description.indexOf('8.') != -1) flashVersion = 8;
			else 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 (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && agent.indexOf("win")!=-1 && agent.indexOf("16bit")==-1) {
		document.write('<scr' + 'ipt language="VBScript"\> \n');
		document.write('on error resume next \n');
		document.write('if IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.9")) then flashVersion = 9 \n');
		document.write('if flashVersion < 9 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.8")) then flashVersion = 8 \n');
		document.write('if flashVersion < 8 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.7")) then flashVersion = 7 \n');
		document.write('if flashVersion < 7 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6")) then flashVersion = 6 \n');
		document.write('if flashVersion < 6 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5")) then flashVersion = 5 \n');
		document.write('if flashVersion < 5 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4")) then flashVersion = 4 \n');
		document.write('if flashVersion < 4 and IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3")) then flashVersion = 3 \n');	
		document.write('</scr' + 'ipt\> \n'); 
	}
		
	else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;

	else if (agent.indexOf("webtv") != -1) flashVersion = 2;

	else {
		flashVersion = flashVersion_DONTKNOW;
		dontKnow = true;
	}

	return flashVersion;
}

flashVersion_DONTKNOW = -1;