function JSSniff(){
		var s_out = "brw=" + BrowserDetect.browser + "&vsn=" + BrowserDetect.version + "&os=" + BrowserDetect.OS;
		return s_out
	}

	
	function JSRefer(){

		var s_out = "";

		if(document.referrer && document.referrer!=""){
			s_out = document.referrer;
		}else{
			s_out = "";
		}
		return s_out
	}

//			if (document.referrer.search(/google\.*/i) != -1) {
//  				var start = document.referrer.search(/q=/);
//  				var searchTerms = document.referrer.substring(start + 2);
//  				var end = searchTerms.search(/&/);
//  				end = (end == -1) ? searchTerms.length:end;
//  				searchTerms = searchTerms.substring(0, end);
//  				if (searchTerms.length != 0) {
//      					searchTerms = searchTerms.replace(/\+/g, " ");
//      					searchTerms = unescape(searchTerms);
//  
//  				}
//			}
//		}
//		return searchTerms
//	}


	function trk_log(_usr,_page,_component,_action,_other){
		
		trk_req = trk_getXHR();
		trk_fullPath = "http://www.joannepanayi.co.uk/core/tracker/db_track.asp?usr=" + _usr + "&pg=" + _page + "&component=" + _component + "&action=" + _action + "&other=" + _other + "&ref=" + JSRefer() + "&" + JSSniff();
		trk_req.open("POST",trk_fullPath,true);
		trk_req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		trk_req.send(false);
		isNew = false
	}

	function trk_getXHR(){
		var out
		try {out = new ActiveXObject("Msxml2.XMLHTTP");} 
		catch (e) {
			try {out = new ActiveXObject("Microsoft.XMLHTTP");} 
			catch (e) {out = false;}
	 	}
		if (!out && typeof out !='undefined') {
			try {out = new XMLHttpRequest();} 
			catch (e) {out=false;}
		}
		if (!out && window.createRequest) {
			try {out = window.createRequest();} 
			catch (e) {out=false;}
		}
		
		return out
	}	
// ------------  JS SNiffer 
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";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	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: "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: "Netscape",
			identity: "Netscape"
		},
		{
			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"
		}
	]

};

BrowserDetect.init();