//Initialize some initial string variables we'll look for later.
var engineWebKit = "webkit";
var deviceIphone = "iphone";
var deviceIpod = "ipod";
var deviceIpad = "ipad";
var deviceAndroid = "android";

var deviceBB = "blackberry";
var vndRIM = "vnd.rim"; //Detectable when BB devices emulate IE or Firefox

//Initialize variables for mobile-specific content.
var vndwap = "vnd.wap";
var wml = "wml";

//Initialize our user agent string.
var uagent = navigator.userAgent.toLowerCase();

//**************************
// Detects if the current device is an Android.
function DetectAndroid()
{
   if (uagent.search(deviceAndroid) > -1)
   {
		return true;
   }
   else
	{
      return false;
	}
}

//**************************
// Detects if the current device is an iPhone.
function DetectIphone()
{
   if (uagent.search(deviceIphone) > -1)
   {
      //The iPad and iPod Touch say they're an iPhone! So let's disambiguate.
      if (DetectIpad() ||
          DetectIpod())
         return false;
      else 
         return true;
   }
   else
      return false;
}

//**************************
// Detects if the current device is an iPod Touch.
function DetectIpod()
{
   if (uagent.search(deviceIpod) > -1)
      return true;
   else
      return false;
}

//**************************
// Detects if the current device is an iPad tablet.
function DetectIpad()
{
   if (uagent.search(deviceIpad) > -1  && DetectWebkit())
      return true;
   else
      return false;
}

//**************************
// Detects if the current browser is based on WebKit.
function DetectWebkit()
{
   if (uagent.search(engineWebKit) > -1)
      return true;
   else
      return false;
}

//**************************
// Detects if the current device is an iPhone or iPod Touch.
function DetectIphoneOrIpod()
{
   //We repeat the searches here because some iPods 
   //  may report themselves as an iPhone, which is ok.
   if (uagent.search(deviceIphone) > -1 ||
       uagent.search(deviceIpod) > -1)
       return true;
    else
       return false;
}

//**************************
// Detects if the current browser is a BlackBerry of some sort.
function DetectBlackBerry()
{
   if (uagent.search(deviceBB) > -1)
      return true;
   if (uagent.search(vndRIM) > -1)
      return true;
   else
      return false;
}

//**************************
// Detects if flash is installed
function detectFlash(){
	if( navigator.mimeTypes.length > 0 ){
		return navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin != null;
	}
	else if( window.ActiveXObject ){
		try{
			new ActiveXObject( "ShockwaveFlash.ShockwaveFlash" );
			return true;
		}catch( oError ){
			return false;
		}
	}else{
		return false;
	}
}

// Flash Player Version Detection - Rev 1.6
// Detect Client Browser type
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
var isIE  = (navigator.userAgent.indexOf("MSIE") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
var isFF  = (navigator.userAgent.indexOf("Firefox") != -1) ? true : false;
var isSafari  = (navigator.userAgent.indexOf("Safari") != -1) ? true : false;
var isChrome  = (navigator.userAgent.indexOf("Chrome") != -1) ? true : false;

var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isMac = (navigator.appVersion.toLowerCase().indexOf("mac") != -1) ? true : false;
var isLinux = (navigator.appVersion.toLowerCase().indexOf("linux") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			alert("flashVer="+flashVer);
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

//**************************
// Detects flash version
function detectFlashVersion(){
	return GetSwfVer();
}

//**************************
// Detects screen resolution
function detectResolution() {
	return {width:screen.width,height:screen.height}
}