// Unified Reuters tag
// This tag combines the standard DCS tag with
// the Ad Director beacon and conversion functions
// for a single deployment point.  - eag/wt

// 12-2008 Quantcast Beacon added

// START OF Advanced SmartSource Data Collector TAG
// Copyright (c) 1996-2006 WebTrends Inc. All rights reserved.
// $DateTime: 2006/03/09 14:15:22 $
var gService = false;
var gTimeZone = -5;
// Code section for Enable First-Party Cookie Tracking
function dcsCookie(){
	if (typeof(dcsOther)=="function"){
		dcsOther();
	}
	else if (typeof(dcsPlugin)=="function"){
		dcsPlugin();
	}
	else if (typeof(dcsFPC)=="function"){
		dcsFPC(gTimeZone);
	}
}
function dcsGetCookie(name){
	var pos=document.cookie.indexOf(name+"=");
	if (pos!=-1){
		var start=pos+name.length+1;
		var end=document.cookie.indexOf(";",start);
		if (end==-1){
			end=document.cookie.length;
		}
		return unescape(document.cookie.substring(start,end));
	}
	return null;
}
function dcsGetCrumb(name,crumb){
	var aCookie=dcsGetCookie(name).split(":");
	for (var i=0;i<aCookie.length;i++){
		var aCrumb=aCookie[i].split("=");
		if (crumb==aCrumb[0]){
			return aCrumb[1];
		}
	}
	return null;
}
function dcsGetIdCrumb(name,crumb){
	var cookie=dcsGetCookie(name);
	var id=cookie.substring(0,cookie.indexOf(":lv="));
	var aCrumb=id.split("=");
	for (var i=0;i<aCrumb.length;i++){
		if (crumb==aCrumb[0]){
			return aCrumb[1];
		}
	}
	return null;
}
function dcsFPC(offset){
	if (typeof(offset)=="undefined"){
		return;
	}
	if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
		return;
	}
	var name=gFpc;
	var dCur=new Date();
	var adj=(dCur.getTimezoneOffset()*60000)+(offset*3600000);
	dCur.setTime(dCur.getTime()+adj);
	var dExp=new Date(dCur.getTime()+315360000000);
	var dSes=new Date(dCur.getTime());
	WT.co_f=WT.vt_sid=WT.vt_f=WT.vt_f_a=WT.vt_f_s=WT.vt_f_d=WT.vt_f_tlh=WT.vt_f_tlv="";
	if (document.cookie.indexOf(name+"=")==-1){
		if ((typeof(gWtId)!="undefined")&&(gWtId!="")){
			WT.co_f=gWtId;
		}
		else if ((typeof(gTempWtId)!="undefined")&&(gTempWtId!="")){
			WT.co_f=gTempWtId;
			WT.vt_f="1";
		}
		else{
			WT.co_f="2";
			var cur=dCur.getTime().toString();
			for (var i=2;i<=(32-cur.length);i++){
				WT.co_f+=Math.floor(Math.random()*16.0).toString(16);
			}
			WT.co_f+=cur;
			WT.vt_f="1";
		}
		if (typeof(gWtAccountRollup)=="undefined"){
			WT.vt_f_a="1";
		}
		WT.vt_f_s=WT.vt_f_d="1";
		WT.vt_f_tlh=WT.vt_f_tlv="0";
	}
	else{
		var id=dcsGetIdCrumb(name,"id");
		var lv=parseInt(dcsGetCrumb(name,"lv"));
		var ss=parseInt(dcsGetCrumb(name,"ss"));
		if ((id==null)||(id=="null")||isNaN(lv)||isNaN(ss)){
			return;
		}
		WT.co_f=id;
		var dLst=new Date(lv);
		WT.vt_f_tlh=Math.floor((dLst.getTime()-adj)/1000);
		dSes.setTime(ss);
		if ((dCur.getTime()>(dLst.getTime()+1800000))||(dCur.getTime()>(dSes.getTime()+28800000))){
			WT.vt_f_tlv=Math.floor((dSes.getTime()-adj)/1000);
			dSes.setTime(dCur.getTime());
			WT.vt_f_s="1";
		}
		if ((dCur.getDay()!=dLst.getDay())||(dCur.getMonth()!=dLst.getMonth())||(dCur.getYear()!=dLst.getYear())){
			WT.vt_f_d="1";
		}
	}
	WT.co_f=escape(WT.co_f);
	WT.vt_sid=WT.co_f+"."+(dSes.getTime()-adj);
	var expiry="; expires="+dExp.toGMTString();
	document.cookie=name+"="+"id="+WT.co_f+":lv="+dCur.getTime().toString()+":ss="+dSes.getTime().toString()+expiry+"; path=/"+(((typeof(gFpcDom)!="undefined")&&(gFpcDom!=""))?("; domain="+gFpcDom):(""));
	if (document.cookie.indexOf(name+"=")==-1){
		WT.co_f=WT.vt_sid=WT.vt_f_s=WT.vt_f_d=WT.vt_f_tlh=WT.vt_f_tlv="";
		WT.vt_f=WT.vt_f_a="2";
	}
}

// Add dcsOther() here if using existing first-party cookie, or dcsPlugin() here if using WT Cookie Plugin

// Code section for Set the First-Party Cookie domain
//	var gFpcDom=".reuters.com";
//var gFpcDom=""; No longer setting this for cross domain support

// Code section for Enable Event Tracking
function dcsParseSvl(sv){
	sv=sv.split(" ").join("");
	sv=sv.split("\t").join("");
	sv=sv.split("\n").join("");
	var pos=sv.toUpperCase().indexOf("WT.SVL=");
	if (pos!=-1){
		var start=pos+8;
		var end=sv.indexOf('"',start);
		if (end==-1){
			end=sv.indexOf("'",start);
			if (end==-1){
				end=sv.length;
			}
		}
		return sv.substring(start,end);
	}
	return "";
}
function dcsIsOnsite(host){
	var doms="reuters";
    var aDoms=doms.split(',');
    for (var i=0;i<aDoms.length;i++){
		if (host.indexOf(aDoms[i])!=-1){
		       return 1;
		}
    }
    return 0;
}
function dcsIsHttp(e){
	return (e.href&&e.protocol&&(e.protocol.indexOf("http")!=-1))?true:false;
}

var gHref="";
function dcsSaveHref(evt){
	if (evt.preventDefault&&evt.target.href){
		evt.preventDefault();
		gHref=evt.target.href;
	}
}
function dcsLoadHref(evt){
	if (gHref.length>0){
		window.location=gHref;
		gHref="";
	}
}
function dcsEvt(evt,tag){
	var e=evt.target||evt.srcElement;
	while (e.tagName&&(e.tagName!=tag)){
		e=e.parentElement||e.parentNode;
	}
	return e;
}
function dcsBind(event,func){
	if ((typeof(window[func])=="function")&&document.body){
		if (document.body.addEventListener){
			document.body.addEventListener(event, window[func], true);
		}
		else if(document.body.attachEvent){
			document.body.attachEvent("on"+event, window[func]);
		}
	}
}
function dcsET(){
	dcsBind("click","dcsDownload");
	dcsBind("click","dcsDynamic");
	dcsBind("click","dcsFormButton");
	dcsBind("click","dcsOffsite");
	dcsBind("click","dcsAnchor");
	dcsBind("mousedown","dcsRightClick");
}
	
function dcsMultiTrack(){
	if (arguments.length%2==0){
		for (var i=0;i<arguments.length;i+=2){
			if (arguments[i].indexOf('WT.')==0){
				WT[arguments[i].substring(3)]=arguments[i+1];
			}
			else if (arguments[i].indexOf('DCS.')==0){
				DCS[arguments[i].substring(4)]=arguments[i+1];
			}
			else if (arguments[i].indexOf('DCSext.')==0){
				DCSext[arguments[i].substring(7)]=arguments[i+1];
			}
		}
		var dCurrent=new Date();
		DCS.dcsdat=dCurrent.getTime();
		dcsFunc("dcsCookie");
		dcsTag();
	}
}

// Add event handlers here

function dcsAdv(){
	dcsFunc("dcsET");
	dcsFunc("dcsCookie");
	dcsFunc("dcsAdSearch");
	dcsFunc("dcsTP");
}
// END OF Advanced SmartSource Data Collector TAG

// START OF Basic SmartSource Data Collector TAG
// Copyright (c) 1996-2006 WebTrends Inc. All rights reserved.
// $DateTime: 2006/03/09 14:15:22 $
var gImages=new Array;
var gIndex=0;
var DCS=new Object();
var WT=new Object();
var DCSext=new Object();
var gQP=new Array();
var gI18n=false;
if (window.RegExp){
	var RE={"%09":/\t/g,"%20":/ /g,"%23":/\#/g,"%26":/\&/g,"%2B":/\+/g,"%3F":/\?/g,"%5C":/\\/g,"%22":/\"/g,"%7F":/\x7F/g,"%A0":/\xA0/g};
	var I18NRE={"%25":/\%/g};
}

// Add customizations here

function dcsVar(){
    if (document.cookie.indexOf("UserID")!=-1){WT.dcsvid=dcsGetCookie("UserID");}
    WT.z_domain=window.location.hostname;
	var dCurrent=new Date();
	WT.tz=dCurrent.getTimezoneOffset()/60*-1;
	if (WT.tz==0){
		WT.tz="0";
	}
	WT.bh=dCurrent.getHours();
	WT.ul=navigator.appName=="Netscape"?navigator.language:navigator.userLanguage;
	if (typeof(screen)=="object"){
		WT.cd=navigator.appName=="Netscape"?screen.pixelDepth:screen.colorDepth;
		WT.sr=screen.width+"x"+screen.height;
	}
	if (typeof(navigator.javaEnabled())=="boolean"){
		WT.jo=navigator.javaEnabled()?"Yes":"No";
	}
	if (document.title){
		WT.ti=gI18n?dcsEscape(dcsEncode(document.title),I18NRE):document.title;
	}
	WT.js="Yes";
	WT.jv=dcsJV();
	if (document.body&&document.body.addBehavior){
		document.body.addBehavior("#default#clientCaps");
		if (document.body.connectionType){
			WT.ct=document.body.connectionType;
		}
		document.body.addBehavior("#default#homePage");
		WT.hp=document.body.isHomePage(location.href)?"1":"0";
	}
	if (parseInt(navigator.appVersion)>3){
		if ((navigator.appName=="Microsoft Internet Explorer")&&document.body){
			WT.bs=document.body.offsetWidth+"x"+document.body.offsetHeight;
		}
		else if (navigator.appName=="Netscape"){
			WT.bs=window.innerWidth+"x"+window.innerHeight;
		}
	}
	WT.fi="No";
	if (window.ActiveXObject){
		for(var i=10;i>0;i--){
			try{
				var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i);
				WT.fi="Yes";
				WT.fv=i+".0";
				break;
			}
			catch(e){
			}
		}
	}
	else if (navigator.plugins&&navigator.plugins.length){
		for (var i=0;i<navigator.plugins.length;i++){
			if (navigator.plugins[i].name.indexOf('Shockwave Flash')!=-1){
				WT.fi="Yes";
				WT.fv=navigator.plugins[i].description.split(" ")[2];
				break;
			}
		}
	}
	if (gI18n){
		WT.em=(typeof(encodeURIComponent)=="function")?"uri":"esc";
		if (typeof(document.defaultCharset)=="string"){
			WT.le=document.defaultCharset;
		} 
		else if (typeof(document.characterSet)=="string"){
			WT.le=document.characterSet;
		}
	}
//	WT.sp="@@SPLITVALUE@@";
	DCS.dcsdat=dCurrent.getTime();
	DCS.dcssip=window.location.hostname;
	DCS.dcsuri=window.location.pathname;
	if (window.location.search){
		DCS.dcsqry=window.location.search;
		if (gQP.length>0){
			for (var i=0;i<gQP.length;i++){
				var pos=DCS.dcsqry.indexOf(gQP[i]);
				if (pos!=-1){
					var front=DCS.dcsqry.substring(0,pos);
					var end=DCS.dcsqry.substring(pos+gQP[i].length,DCS.dcsqry.length);
					DCS.dcsqry=front+end;
				}
			}
		}
	}
	if ((window.document.referrer!="")&&(window.document.referrer!="-")){
		if (!(navigator.appName=="Microsoft Internet Explorer"&&parseInt(navigator.appVersion)<4)){
			DCS.dcsref=gI18n?dcsEscape(window.document.referrer, I18NRE):window.document.referrer;
		}
	}
}

function dcsA(N,V){
	return "&"+N+"="+dcsEscape(V, RE);
}

function dcsEscape(S, REL){
	if (typeof(REL)!="undefined"){
		var retStr = new String(S);
		for (var R in REL){
			retStr = retStr.replace(REL[R],R);
		}
		return retStr;
	}
	else{
		return escape(S);
	}
}

function dcsEncode(S){
	return (typeof(encodeURIComponent)=="function")?encodeURIComponent(S):escape(S);
}

function dcsCreateImage(dcsSrc){
	if (document.images){
		gImages[gIndex]=new Image;
		if ((typeof(gHref)!="undefined")&&(gHref.length>0)){
			gImages[gIndex].onload=gImages[gIndex].onerror=dcsLoadHref;
		}
		gImages[gIndex].src=dcsSrc;
		gIndex++;
	}
	else{
		document.write('<IMG ALT="" BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="'+dcsSrc+'">');
	}
}

function dcsMeta(){
	var elems;
	if (document.all){
		elems=document.all.tags("meta");
	}
	else if (document.documentElement){
		elems=document.getElementsByTagName("meta");
	}
	if (typeof(elems)!="undefined"){
		for (var i=1;i<=elems.length;i++){
			var meta=elems.item(i-1);
			if (meta.name){
				if (meta.name.indexOf('WT.')==0){
					WT[meta.name.substring(3)]=(gI18n&&(meta.name.indexOf('WT.ti')==0))?dcsEscape(dcsEncode(meta.content),I18NRE):meta.content;
				}
				else if (meta.name.indexOf('DCSext.')==0){
					DCSext[meta.name.substring(7)]=meta.content;
				}
				else if (meta.name.indexOf('DCS.')==0){
					DCS[meta.name.substring(4)]=(gI18n&&(meta.name.indexOf('DCS.dcsref')==0))?dcsEscape(meta.content,I18NRE):meta.content;
				}
			}
		}
	}
}

function dcsTag(){
	if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
		return;
	}
	var P="http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+gDomain+(gDcsId==""?'':'/'+gDcsId)+"/dcs.gif?";
	for (var N in DCS){
		if (DCS[N]) {
			P+=dcsA(N,DCS[N]);
		}
	}
	for (var N in WT){
		if (WT[N]) {
			P+=dcsA("WT."+N,WT[N]);
		}
	}
	for (var N in DCSext){
		if (DCSext[N]) {
			P+=dcsA(N,DCSext[N]);
		}
	}
	if (P.length>2048&&navigator.userAgent.indexOf('MSIE')>=0){
		P=P.substring(0,2040)+"&WT.tu=1";
	}
	dcsCreateImage(P);
}

function dcsJV(){
	var agt=navigator.userAgent.toLowerCase();
	var major=parseInt(navigator.appVersion);
	var mac=(agt.indexOf("mac")!=-1);
	var nn=((agt.indexOf("mozilla")!=-1)&&(agt.indexOf("compatible")==-1));
	var nn4=(nn&&(major==4));
	var nn6up=(nn&&(major>=5));
	var ie=((agt.indexOf("msie")!=-1)&&(agt.indexOf("opera")==-1));
	var ie4=(ie&&(major==4)&&(agt.indexOf("msie 4")!=-1));
	var ie5up=(ie&&!ie4);
	var op=(agt.indexOf("opera")!=-1);
	var op5=(agt.indexOf("opera 5")!=-1||agt.indexOf("opera/5")!=-1);
	var op6=(agt.indexOf("opera 6")!=-1||agt.indexOf("opera/6")!=-1);
	var op7up=(op&&!op5&&!op6);
	var jv="1.1";
	if (nn6up||op7up){
		jv="1.5";
	}
	else if ((mac&&ie5up)||op6){
		jv="1.4";
	}
	else if (ie5up||nn4||op5){
		jv="1.3";
	}
	else if (ie4){
		jv="1.2";
	}
	return jv;
}

function dcsFunc(func){
	if (typeof(window[func])=="function"){
		window[func]();
	}
}

dcsVar();
dcsMeta();
dcsFunc("dcsAdv");
dcsTag();
// END OF Basic SmartSource Data Collector TAG

// START of Dynamic Search code - convert.js 
function _f2void() { return; }

function _f2sleep(ms)
{
	var start = new Date();
	var now = new Date();
	while(now.getTime() - start.getTime() < ms)
	{
		now = new Date();
	}
}

function f2convert(cid, pids)
{
    try
    {   
        var img = new Image(1,1);
	var src = "//rd.clickshift.com/convert.gif?cid=" + escape(cid);
	try {
	  if (location.protocol == 'file:') {
		src = "http:" + src;
	  }
	} catch (ex) { }
	
	src += "&pids=" + escape(pids);

        // conversion_id is optional third parameter
        if (f2convert.arguments.length > 2) {
            var conversion_id = f2convert.arguments[2];
            src += "&conversion_id=" + (conversion_id ? escape(conversion_id) : '');
        }
        if (f2convert.arguments.length > 3) {
            if (f2convert.arguments[3]) {
                src += "&pof=1";
            }
        }
        if (f2convert.arguments.length > 4) {
	    var cs_data = f2convert.arguments[4];
            src += "&cshift_ck=" + (cs_data ? escape(cs_data) : '');
        }
        if (f2convert.arguments.length > 5) {
	    var attribution = f2convert.arguments[5];
            src += "&attribution=" + (attribution ? escape(attribution) : '');
        }

	img.onload = function () { _f2void(); }
	img.src = src;
    } catch (ex) {}

    try 
    {
        // activate custom code. Right now for ShopNBC only
        // possibly not supporting this anymore
        if (cid == 1000 || cid == 5031){
            java_script = '<script language="javascript">var f2Params = new Array(); f2Params["pids"]="' + pids + '";';
            if (f2convert.arguments.length > 2)
                java_script = java_script + 'f2Params["conversion_id"]="' + f2convert.arguments[2] + '";';
            if (f2convert.arguments.length > 3)
                java_script = java_script + 'f2Params["pof"]="' + f2convert.arguments[3] + '";';
            if (f2convert.arguments.length > 4)
                java_script = java_script + 'f2Params["cshift_ck"]="' + f2convert.arguments[4] + '";';
            if (f2convert.arguments.length > 5)
                java_script = java_script + 'f2Params["attribution"]="' + f2convert.arguments[5] + '";';
	    var base_url = '//rd.clickshift.com/js/';
	    try {
	      if (location.protocol == 'file:') {
	          base_url = "http:" + base_url;
	      }
	    } catch (ex) { }
	    java_script = java_script + '</script><script language="javascript" src="' + base_url + cid + '_custom_convert.js"></script>';
	    document.write(java_script);
        }
    } catch(ex){}

    return true;
}

function f2_onclick_convert(cid, pids)
{
        var img = new Image(1,1);
	var src = "//rd.clickshift.com/convert.gif?cid=" + escape(cid);
	try {
	  if (location.protocol == 'file:') {
		src = "http:" + src;
	  }
	} catch (ex) { }
	src += "&pids=" + escape(pids);

        // conversion_id is optional third parameter
        if (f2_onclick_convert.arguments.length > 2) {
            var conversion_id = f2_onclick_convert.arguments[2];
            src += "&conversion_id=" + (conversion_id ? escape(conversion_id) : '');
        }
        if (f2_onclick_convert.arguments.length > 3) {
            if (f2_onclick_convert.arguments[3]) {
                src += "&pof=1";
            }
        }
        if (f2_onclick_convert.arguments.length > 4) {
	    var cs_data = f2_onclick_convert.arguments[4];
            src += "&cshift_ck=" + (cs_data ? escape(cs_data) : '');
        }
        if (f2_onclick_convert.arguments.length > 5) {
	    var attribution = f2_onclick_convert.arguments[5];
            src += "&attribution=" + (attribution ? escape(attribution) : '');
        }
	src += "&rnd=" + escape(Math.round(1E10*Math.random()));

	img.onload = function () { _f2void(); }
	img.src = src;

    try
    {   
	if(navigator.appName != "Microsoft Internet Explorer")
	{
		// Firefox will abort image loads if a navigation
		// event occurs, so we'll need to slow things down
		// a bit.
		_f2sleep(500);
	}

    } catch (ex) {}
    return true;
}

//END of Dynamic Search code - convert.js

//START of Dynamic Search code - DSFPC_NC.js (modified)
// This code is modified from the default non-commerce implementation -
// it is designed to automatically populate the DS conversion string with
// the value of WT.cg_n (along with arbitrary value of 2 and quantity of 1).
// The actual conversion call is included as well - it fires off whenever the 
// DSFPC is present.

// First party cookie implementation for use on a site using WebTrends Analytics JS Tag, but 
// without commerce parameters.
// Apply this javascript to all page on the site (will work on just landing pages).
// Change @@CUSTID@@ in the last line to reflect the correct account number.

// updated 090308 to change WT_DSAI cookie to session expiration - eag/wt

function DcsDynamicSearch(cid){
	// private members
	var cname="WT_DSAI";
	var wt=(typeof(WT)=="object")?WT:{};

	// private methods
	function setAdInfo(){
		var value=getQueryParam("cshift_ck");
		if (value.length>0){
			var cur=new Date();
			var exp=new Date(cur.getTime()+86400000);
			document.cookie=cname+"="+value+"; path=/";
		}
	}
	function getQueryParam(key){
		var qry=window.location.search.substring(1);
		if (qry.length>0){
			var params=qry.split("&");
			var count=params.length;
			for (var i=0;i<count;i++){
				var p=params[i].split("=");
				if (p[0]==key){
					return p[1];
				}
			}
		}
		return "";
	}

	// privileged methods
	this.getClientId=function(){
		return cid;
	};
		this.getProductInfo=function(){
		var info="";
		try{
			cg=wt.cg_n.replace(/\s/g,"_");  //replace spaces with underscores
			var id=cg.split(";");
			for (var i=0;i<id.length;i++){
				info+=(i?",":"")+id[i]+"#2*1"; // change the '2' to adjust the value per conversion in cents (currently $.02)
			}
		}
		catch(e){
		}
		return info;
	};
	this.getAdInfo=function(){
		return dcsGetCookie(cname)||"";
	};
	this.getIsNew=function(){
		return 1;
	};
	// read query parameter, set cookie
	setAdInfo();
}

var dcsDS=new DcsDynamicSearch(5117);
if (dcsDS.getAdInfo()) {
 f2convert(dcsDS.getClientId(),dcsDS.getProductInfo(),'',dcsDS.getIsNew(),dcsDS.getAdInfo());
}


// Start Quantcast Beacon
function dscQuantcast()
{
	if (typeof(DCSext)=="undefined" || typeof(WT)=="undefined"){
	return "";
	}

	var nv = "";
	nv+=(typeof(DCSext.VBC)=="string" && DCSext.VBC.length > 0) ? escape(DCSext.VBC) + ",":"";
	nv+=(typeof(DCSext.rCountry)=="string" && DCSext.rCountry.length > 0) ? escape(DCSext.rCountry):"";
	nv+=(typeof(DCSext.rChannel)=="string" && DCSext.rChannel.length > 0) ? "." + escape(DCSext.rChannel):"";
	nv+=(typeof(WT.cg_n)=="string" && WT.cg_n.length > 0) ? "." + escape(WT.cg_n):"";
	nv+=(typeof(WT.cg_s)=="string" && WT.cg_s.length > 0) ? "." + escape(WT.cg_s):"";
	return nv;
}

//Do not fire on secure pages
if (window.location.protocol.indexOf('https:')!=0){
	_qoptions={
	qacct:"p-de1vtwp0SwFFs",
	labels:dscQuantcast()
	};

	var script = document.createElement('script');
	script.type = 'text/javascript';
	script.src = 'http://edge.quantserve.com/quant.js';
	document.getElementsByTagName('head')[0].appendChild(script);
}
// End Quantcast Beacon