/* 
-----------------------------------------------------------------
	Functions - Browser Detect
	Last Updated 100407 (TML browser reqs)
-----------------------------------------------------------------
*/

//	VARIABLES

	var whichbrowser;
	
//	FUNCTIONS	

	function detectbrowser() 
	{	
		// Browser Detect  v2.1.6
		// documentation: http://www.dithered.com/javascript/browser_detect/index.html
		// license: http://creativecommons.org/licenses/by/1.0/
		// code by Chris Nott (chris[at]dithered[dot]com)	
		
		var ua = navigator.userAgent.toLowerCase(); 
		
		// browser engine name
		this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);   
		
		// browser name
		this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
		this.isSafari      = (ua.indexOf('safari') != - 1); // Intro #owners DIV
		this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
		this.isOpera       = (ua.indexOf('opera') != -1); // Crew Profiles Info DIV
		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.isFirefox    = (ua.indexOf('firefox/') != -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); 		
		
		/*
		
		TML TARGET BROWSERS
		
			IE6+
			Firefox 1.5+
			Safari 2
			Opera 9
			Camino 1.0 -- no idea how to test for Camino..
	
		*/
		
		this.isIE6up = (this.isIE && this.versionMajor >= 6);		
		this.isFirefox15up = ((this.isFirefox) && (this.versionMinor >= 1.5)); // to check
		this.isSafari2up = ((this.isSafari) && (this.versionMajor >= 412));	// DS 412 = Safari 2 - http://developer.apple.com/internet/safari/uamatrix.html
		this.isOpera9up = ((this.isOpera) && (this.versionMajor <= 9));	
		
		// ADD CAMINO
		
		if ((this.isIE6up) || (this.isFirefox15up) || (this.isSafari2up) || (this.isOpera9up))
		{
			this.isHiFi = true;
		}
	}

	// init
	whichbrowser = new detectbrowser();