function BrowserDetectLite() {
	var ua = navigator.userAgent.toLowerCase();

	// 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) );

	// 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
	if (this.isNS && this.isGecko) {
			this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
	} else if (this.isIE && this.versionMinor >= 4) {
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	}

	this.versionMajor = parseInt(this.versionMinor);
	this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );

	// dom support
	this.isDOM1 = (document.getElementById);
	this.isDOM2Event = (document.addEventListener && document.removeEventListener);

	// css compatibility mode
	this.mode = document.compatMode ? document.compatMode : 'BackCompat';

	// specific browser shortcuts
	this.isNS7x = (this.isNS && this.versionMajor == 7);
	this.isMozilla11x = (this.isMozilla && this.versionMinor >= 1.1);
	this.isIE6x = (this.isIE && this.versionMajor == 6);
	this.isIE6up = (this.isIE && this.versionMajor >= 6);
}