/*************************************************************************
	Globals with results
**************************************************************************/
var OSVer;
var OSSupported = false;

var BrowserName, BrowserVersion;
var BrowserSupported= false;

var FlashVersion;
var FlashSupported = false;

var WMP_Ver;
var MediaPlayerSupported = false;

var ZixiPlayerPresent = false;
var ZixiUDPPortAvailable = false;
/**********************************************************************************
	Suporting functions,
**********************************************************************************/
function getOperatingSystemVersion()
{
	var UserAgent;
	OSSupported = false;
	try
	{
		(typeof(navigator.userAgent) != "undefined") ? UserAgent = navigator.userAgent : UserAgent = "Property not supported or blank!";
		if(UserAgent.indexOf("Windows NT 6.0") > -1)
		{
			if(UserAgent.indexOf("WOW64") > -1)
			{
				OSSupported = true;
				OSVer = "Windows Vista 64 bit";
			}
			else
			{
				OSSupported = true;
				OSVer = "Windows Vista ";
			}
		}
		else if(UserAgent.indexOf("NT 5.2") > -1)
		{
			OSSupported = true;
			OSVer = "Windows 2003";
		}
		else if(UserAgent.indexOf("Windows NT 5.1") > -1)
		{
			OSSupported = true;
			OSVer = "Windows XP";
		}
		else if(UserAgent.indexOf("Windows NT 5.0") > -1)
		{
			OSVer = "Windows 2000";
		}
		else if(UserAgent.indexOf("Windows 98") > -1)
		{
			OSVer = "Windows 98";
		}
		else if(UserAgent.indexOf("Windows 95") > -1)
		{
			OSVer = "Windows 95";
		}
		else if(UserAgent.indexOf("Mac OS X") > -1)
		{
			OSVer = "Mac OS X";
		}
		else if(UserAgent.indexOf("Macintosh") > -1)
		{
			OSVer = "Mac OS";
		}
		else if(navigator.appVersion.indexOf("X11")!=-1)
		{
			OSVer = "Unix";
		}
		else if (navigator.appVersion.indexOf("Linux") != -1)
		{
			OSVer = "Linux";
		}
		else 
		{
			OSVer = "Unknown";
		}
		
		return OSVer;
	}
	catch(e)
	{
		OSVer = "Unknown";
	}
}


function getBrowserMinorVersion()
{
	var OSMinorVer;
	(typeof(navigator.appMinorVersion) != "undefined") ? OSMinorVer = navigator.appMinorVersion : OSMinorVer = "Property not supported or blank!";
	return OSMinorVer;
}


var BrowserDetect = 
{
	init: function () 
	{
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
					|| this.searchVersion(navigator.appVersion)
					|| "an unknown version";
	},
	
	searchString: function (data) 
	{
		for (var i=0;i<data.length;i++) 
		{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) 
			{
				if (dataString.indexOf(data[i].subString) != -1)
				{
					return data[i].identity;
				}
			}
			else if (dataProp)
			{
				return data[i].identity;
			}
		}
	},

	searchVersion: function (dataString) 
	{
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	
	dataBrowser: 
	[
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 
			string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{ // for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Navigator",
			identity: "Navigator"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ // for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	
	dataOS : 
	[
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};

function getFlashVersion()
{ 	//	Copied from : http://www.prodevtips.com/2008/11/20/detecting-flash-player-version-with-javascript/
	//	and slightly modified
	try 
	{ 	// ie 
		try 
		{ 
			// avoid fp6 minor version lookup issues 
			// see: http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/ 
			var axo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash.6'); 
			try 
			{ 
				axo.AllowScriptAccess = 'always'; 
			} 
			catch(e) 
			{ 
				return '6.0.0'; 
			} 
		} 
		catch(e) 
		{} 
		
		return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\D+/g, '.').match(/^.?(.+).?$/)[1]; 
	} 
	catch(e) 
	{ 	// other browsers 
		try 
		{ 
			if(navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin)
			{ 
				return (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]).description.replace(/\D+/g, ".").match(/^.?(.+).?$/)[1]; 
			} 
		} catch(e) 
		{} 
	} 
	
	return '0.0.0'; 
} 


function OSCheck()
{
	getOperatingSystemVersion();
	return OSSupported;
}

function BrowserCheck()
{
	BrowserDetect.init();

	BrowserName = 	BrowserDetect.browser;
	BrowserVersion = 	BrowserDetect.version;
	BrowserSupported = ((BrowserName == 'Firefox') && (BrowserVersion >= 3.0)) || ((BrowserName == 'Explorer') && (BrowserVersion >= 6.0));
	
	return BrowserSupported;
}


function FlashCheck()
{
	FlashVersion = getFlashVersion();
	FlashSupported = (parseFloat(FlashVersion) >= 9.0); 
	return FlashSupported;
}

function WMPCheck()
{	//	Insure there is a div with id "TESTER_DIV"
	var wmp;
	WMP_Ver = "Not found";

	try
	{
		if(window.ActiveXObject)
		{
			wmp = new ActiveXObject('WMPlayer.OCX.7');
			WMP_Ver = wmp.versionInfo;
		}	
		else
		{	//	Assuming firefox
			document.getElementById("TESTER_DIV").innerHTML = '<OBJECT id=\"WMP_VERSION_TESTER_DIV_OBJECT\" type=\"application/x-ms-wmp\" width=\"1\" height=\"1\"></object>';
			wmp = document.getElementById("WMP_VERSION_TESTER_DIV_OBJECT");
			WMP_Ver = wmp.versionInfo;
		}	
	}
	catch(e)
	{
		alert(e);
	}

	MediaPlayerSupported = (parseFloat(WMP_Ver) >= 11.0);
	
	return MediaPlayerSupported;
}

var AdditionalHandler = -1;
function PortScanResult(bUseTCP)
{
	ZixiUDPPortAvailable = !bUseTCP;
	if(typeof AdditionalHandler == "function")
	{
		AdditionalHandler();
	}
}

function ZixiPlayerCheck(test_server, event_hndlr)
{
	var plyr = document.getElementById("Vid1");
	ZixiPlayerPresent =  (plyr != null) && (typeof plyr.TestPorts != "undefined");
	
	AdditionalHandler = event_hndlr;
	if(ZixiPlayerPresent)
	{
		plyr.SetUser("portsTester");
		plyr.PortScanEvent = PortScanResult;
		var ports=[20,21,22,49,53,67,69,88,99,110,111,113,119,123,137,138,139,161,162,1720,3260,4000,5001,5060,6073,6801,6901,6970,16384,22555,2077];
	
		for (i = 0; i < ports.length; i++)
		{
			plyr.AddPort(parseInt(ports[i]));
		}
		
		plyr.TestPorts(test_server);
		
	}
	
	return ZixiPlayerPresent;
}