// JavaScript Document
function BrowserDetectLite() {
	var ua = navigator.userAgent.toLowerCase();
	this.ua = ua; 	
	
	// browser name	
	this.isGecko = (ua.indexOf('gecko') != -1);	
	this.isMozilla = (this.isGecko && ua.indexOf("gecko/") + 14 == ua.length);
	this.isNS = ((this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );	
	this.isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1) );
	this.isOpera = (ua.indexOf("opera") != -1);
	this.isKonqueror = (ua.indexOf("konqueror") != -1);
	this.isIcab = (ua.indexOf("icab") != -1);
	this.isAol = (ua.indexOf("aol") != -1);
	this.isWebtv = (ua.indexOf("webtv") != -1);
	this.isOmniweb = (ua.indexOf("omniweb") != -1);
	this.isDreamcast = (ua.indexOf("dreamcast") != -1);
	
	// spoofing and compatible browsers	
	this.isIECompatible = ((ua.indexOf("msie") != -1) && !this.isIE);
	this.isNSCompatible = ((ua.indexOf("mozilla") != -1) && !this.isNS && !this.isMozilla);		
	
	// browser version	
	this.versionMinor = parseFloat(navigator.appVersion); 
	
	// correct version number for NS6+ 	
	if (this.isNS && this.isGecko) 
	{		
		this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );	
	}		
	// correct version number for IE4+ 	
	else if (this.isIE && this.versionMinor >= 4) 
	{
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	}		
	// correct version number for Opera
	else if (this.isOpera) 
	{
		if (ua.indexOf('opera/') != -1) 
		{
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
		}
		else 
		{
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );		
		}	
	}
	// correct version number for Konqueror	
	else if (this.isKonqueror) 
	{
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
	}		
	// correct version number for iCab 	
	else if (this.isIcab) 
	{		
		if (ua.indexOf('icab/') != -1) 
		{
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );		
		}		
		else 
		{			
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );		
		}	
	}
	// correct version number for WebTV	
	else if (this.isWebtv) 
	{		
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('webtv/') + 6 ) );	
	}
	
	
	this.versionMajor = parseInt(this.versionMinor);
	this.geckoVersion = ((this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );		
	
	
	// 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) );	
	this.isMac = (ua.indexOf('mac') != -1);	
	this.isUnix = (ua.indexOf('unix') != -1 || ua.indexOf('linux') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -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.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 BrowserDetectLite();
