// ----------
// browser and platform detection
function BrowserDetect()
	{
	var ua = navigator.userAgent.toLowerCase(); 

	// browser engine name
	this.isGecko       = (ua.indexOf("gecko") != -1 && ua.indexOf("safari") == -1);
	this.isAppleWebKit = (ua.indexOf("applewebkit") != -1);
	
	// browser name
	this.isKonqueror   = (ua.indexOf("konqueror") != -1); 
	this.isSafari      = (ua.indexOf("safari") != - 1);
	this.isOmniweb     = (ua.indexOf("omniweb") != - 1);
	this.isOpera       = (ua.indexOf("opera") != -1); 
	this.isIcab        = (ua.indexOf("icab") != -1); 
	this.isAol         = (ua.indexOf("aol") != -1); 
	this.isIE          = (ua.indexOf("msie") != -1 && !this.isOpera && (ua.indexOf("webtv") == -1) ); 
	this.isMozilla     = (this.isGecko && ua.indexOf("gecko/") + 14 == ua.length);
	this.isFirebird    = (ua.indexOf("firebird/") != -1);
	this.isNS          = ( (this.isGecko) ? (ua.indexOf("netscape") != -1) : ( (ua.indexOf("mozilla") != -1) && !this.isOpera && !this.isSafari && (ua.indexOf("spoofer") == -1) && (ua.indexOf("compatible") == -1) && (ua.indexOf("webtv") == -1) && (ua.indexOf("hotjava") == -1) ) );
	   
	// spoofing and compatible browsers
	this.isIECompatible = ( (ua.indexOf("msie") != -1) && !this.isIE);
	this.isNSCompatible = ( (ua.indexOf("mozilla") != -1) && !this.isNS && !this.isMozilla);
	   
	// rendering engine versions
	this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf("gecko/") + 6), (ua.lastIndexOf("gecko/") + 14) ) : -1 );
	this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf("rv:") + 3 ) ) : -1 );
	this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf("applewebkit/") + 12) ) : -1 );
	   
	// browser version
	this.versionMinor = parseFloat(navigator.appVersion); 
	   
	// correct version number
	if (this.isGecko && !this.isMozilla)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("/", ua.indexOf("gecko/") + 6) + 1 ) );}
	else if (this.isMozilla)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("rv:") + 3 ) );}
	else if (this.isIE && this.versionMinor >= 4)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("msie ") + 5 ) );}
	else if (this.isKonqueror)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("konqueror/") + 10 ) );}
	else if (this.isSafari)
		{this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf("safari/") + 7 ) );}
	else if (this.isOmniweb)
		{this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf("omniweb/") + 8 ) );}
	else if (this.isOpera)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("opera") + 6 ) );}
	else if (this.isIcab)
		{this.versionMinor = parseFloat( ua.substring( ua.indexOf("icab") + 5 ) );}
		   this.versionMajor = parseInt(this.versionMinor); 
   
	// dom support
	this.isDOM1 = (document.getElementById);
	this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
	// css compatibility mode
	this.mode = document.compatMode ? document.compatMode : "BackCompat";

	// platform
	this.isWin    = (ua.indexOf("win") != -1);
	this.isWin32  = (this.isWin && ( ua.indexOf("95") != -1 || ua.indexOf("98") != -1 || ua.indexOf("nt") != -1 || ua.indexOf("win32") != -1 || ua.indexOf("32bit") != -1 || ua.indexOf("xp") != -1) );
	this.isMac    = (ua.indexOf("mac") != -1);
	this.isUnix   = (ua.indexOf("unix") != -1 || ua.indexOf("sunos") != -1 || ua.indexOf("bsd") != -1 || ua.indexOf("x11") != -1)
	this.isLinux  = (ua.indexOf("linux") != -1);
	
	// specific browser shortcuts
	this.isNS4x = (this.isNS && this.versionMajor == 4);
	this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
	this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
	this.isNS4up = (this.isNS && this.versionMinor >= 4);
	this.isNS6x = (this.isNS && this.versionMajor == 6);
	this.isNS6up = (this.isNS && this.versionMajor >= 6);
	this.isNS7x = (this.isNS && this.versionMajor == 7);
	this.isNS7up = (this.isNS && this.versionMajor >= 7);
	
	this.isIE4x = (this.isIE && this.versionMajor == 4);
	this.isIE4up = (this.isIE && this.versionMajor >= 4);
	this.isIE5x = (this.isIE && this.versionMajor == 5);
	this.isIE55 = (this.isIE && this.versionMinor == 5.5);
	this.isIE5up = (this.isIE && this.versionMajor >= 5);
	this.isIE6x = (this.isIE && this.versionMajor == 6);
	this.isIE6up = (this.isIE && this.versionMajor >= 6);
	
	this.isIE4xMac = (this.isIE4x && this.isMac);
	}
	
var browser = new BrowserDetect();

//------------------------------
// set the cookies!

value = (browser.isIE5up && !this.isMozilla) ? "1" : "0";

document.cookie = "53_ie5=" +escape( value ) + ";path=/;domain=53-racing.com";
var ie5 = (browser.isIE5up && !this.isMozilla) ? true : false;

// cookie for png type
value = "";

var pngAlpha = false;
var pngNormal = false;

// if IE5.5+ on Win32, then display PNGs with AlphaImageLoader
if ((browser.isIE55 || browser.isIE6up) && browser.isWin32)
	{
	var pngAlpha = true;
	value = "pngAlpha";
	}
// else, if the browser can display PNGs normally, then do that
if ((browser.isGecko) || (browser.isIE5up && browser.isMac) || (browser.isOpera && browser.isWin && browser.versionMajor >= 6) || (browser.isOpera && browser.isUnix && browser.versionMajor >= 6) || (browser.isOpera && browser.isMac && browser.versionMajor >= 5) || (browser.isOmniweb && browser.versionMinor >= 3.1) || (browser.isIcab && browser.versionMinor >= 1.9) || (browser.isWebtv) || (browser.isDreamcast))
	{
	var pngNormal = true;
	value = "pngNormal";
	}

// set the cookie
document.cookie = "53_png=" +escape( value ) + ";path=/;domain=53-racing.com";