// Flash Detection / Redirect  v1.0
// http://www.dithered.com/javascript/flash_redirect/index.html
// code by Chris Nott (chris@dithered.com)

var dontKnow = false;
var flashVersion = 0;

var agent = navigator.userAgent.toLowerCase(); 

// IE4+ on Win32:  attempt to create an ActiveX object using VBScript
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.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'); 
}

// NS3+ and Opera3+ (support plugin array):  check for Flash plugin in plugin array
else if (navigator.plugins && navigator.plugins.length > 0) {
	var flashPlugin = navigator.plugins['Shockwave Flash'];
	if (typeof flashPlugin == 'object') { 
		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;
	}
}

// WebTV 2.5 supports flash 3
else if (agent.indexOf("webtv/2.5") != -1) flashVersion = 3;

// Can't detect in all other cases
else dontKnow = true;

// Redirect to appropriate page
if (flashVersion >= requiredVersion) location.replace(hasFlashURL);
else if (flashVersion > 0) location.replace(upgradeURL);
else if (dontKnow) location.replace(dontKnowURL);
else location.replace(noFlashURL);

