// WebTrends SmartSource Data Collector Tag
// Version: 8.6.2     
// Tag Builder Version: 3.0
// Created: 8/20/2009 2:37:29 PM
function WebTrends(){
var that=this;
// begin: user modifiable
this.dcsid="dcs5m3sxu100000c9rwiblcbt_3e6t";
this.domain="statse.webtrendslive.com";
this.timezone=-6;
this.fpcdom=".knovel.com";
this.onsitedoms="";
this.downloadtypes="xls,doc,pdf,txt,csv,zip";
this.navigationtag="div,table";
this.trackevents=true;
this.enabled=true;
this.i18n=false;
this.fpc="WT_FPC";
this.paidsearchparams="gclid";
// end: user modifiable
this.DCS={};
this.WT={};
this.DCSext={};
this.images=[];
this.index=0;
this.exre=(function(){return(window.RegExp?new RegExp("dcs(uri)|(ref)|(aut)|(met)|(sta)|(sip)|(pro)|(byt)|(dat)|(p3p)|(cfg)|(redirect)|(cip)","i"):"");})();
this.re=(function(){return(window.RegExp?(that.i18n?{"%25":/\%/g}:{"%09":/\t/g,"%20":/ /g,"%23":/\#/g,"%26":/\&/g,"%2B":/\+/g,"%3F":/\?/g,"%5C":/\\/g,"%22":/\"/g,"%7F":/\x7F/g,"%A0":/\xA0/g}):"");})();
}
WebTrends.prototype.dcsGetId=function(){
if (this.enabled&&(document.cookie.indexOf(this.fpc+"=")==-1)&&(document.cookie.indexOf("WTLOPTOUT=")==-1)){
document.write("<scr"+"ipt type='text/javascript' src='"+"http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+this.domain+"/"+this.dcsid+"/wtid.js"+"'><\/scr"+"ipt>");
}
}
WebTrends.prototype.dcsGetCookie=function(name){
var cookies=document.cookie.split("; ");
var cmatch=[];
var idx=0;
var i=0;
var namelen=name.length;
var clen=cookies.length;
for (i=0;i<clen;i++){
var c=cookies[i];
if ((c.substring(0,namelen+1))==(name+"=")){
cmatch[idx++]=c;
}
}
var cmatchCount=cmatch.length;
if (cmatchCount>0){
idx=0;
if ((cmatchCount>1)&&(name==this.fpc)){
var dLatest=new Date(0);
for (i=0;i<cmatchCount;i++){
var lv=parseInt(this.dcsGetCrumb(cmatch[i],"lv"));
var dLst=new Date(lv);
if (dLst>dLatest){
dLatest.setTime(dLst.getTime());
idx=i;
}
}
}
return unescape(cmatch[idx].substring(namelen+1));
}
else{
return null;
}
}
WebTrends.prototype.dcsGetCrumb=function(cval,crumb,sep){
var aCookie=cval.split(sep||":");
for (var i=0;i<aCookie.length;i++){
var aCrumb=aCookie[i].split("=");
if (crumb==aCrumb[0]){
return aCrumb[1];
}
}
return null;
}
WebTrends.prototype.dcsGetIdCrumb=function(cval,crumb){
var id=cval.substring(0,cval.indexOf(":lv="));
var aCrumb=id.split("=");
for (var i=0;i<aCrumb.length;i++){
if (crumb==aCrumb[0]){
return aCrumb[1];
}
}
return null;
}
WebTrends.prototype.dcsIsFpcSet=function(name,id,lv,ss){
var c=this.dcsGetCookie(name);
if (c){
return ((id==this.dcsGetIdCrumb(c,"id"))&&(lv==this.dcsGetCrumb(c,"lv"))&&(ss==this.dcsGetCrumb(c,"ss")))?0:3;
}
return 2;
}
WebTrends.prototype.dcsFPC=function(){
if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
return;
}
var WT=this.WT;
var name=this.fpc;
var dCur=new Date();
var adj=(dCur.getTimezoneOffset()*60000)+(this.timezone*3600000);
dCur.setTime(dCur.getTime()+adj);
var dExp=new Date(dCur.getTime()+315360000000);
var dSes=new Date(dCur.getTime());
WT.co_f=WT.vtid=WT.vtvs=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 curt=dCur.getTime().toString();
for (var i=2;i<=(32-curt.length);i++){
WT.co_f+=Math.floor(Math.random()*16.0).toString(16);
}
WT.co_f+=curt;
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 c=this.dcsGetCookie(name);
var id=this.dcsGetIdCrumb(c,"id");
var lv=parseInt(this.dcsGetCrumb(c,"lv"));
var ss=parseInt(this.dcsGetCrumb(c,"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.vtid=(typeof(this.vtid)=="undefined")?WT.co_f:(this.vtid||"");
WT.vtvs=(dSes.getTime()-adj).toString();
var expiry="; expires="+dExp.toGMTString();
var cur=dCur.getTime().toString();
var ses=dSes.getTime().toString();
document.cookie=name+"="+"id="+WT.co_f+":lv="+cur+":ss="+ses+expiry+"; path=/"+(((this.fpcdom!=""))?("; domain="+this.fpcdom):(""));
var rc=this.dcsIsFpcSet(name,WT.co_f,cur,ses);
if (rc!=0){
WT.co_f=WT.vtvs=WT.vt_f_s=WT.vt_f_d=WT.vt_f_tlh=WT.vt_f_tlv="";
if (typeof(this.vtid)=="undefined"){
WT.vtid="";
}
WT.vt_f=WT.vt_f_a=rc;
    }
}
WebTrends.prototype.dcsIsOnsite=function(host){
if (host.length>0){
    host=host.toLowerCase();
    if (host==window.location.hostname.toLowerCase()){
    return true;
    }
    if (typeof(this.onsitedoms.test)=="function"){
    return this.onsitedoms.test(host);
    }
    else if (this.onsitedoms.length>0){
    var doms=this.dcsSplit(this.onsitedoms);
    var len=doms.length;
    for (var i=0;i<len;i++){
    if (host==doms[i]){
        return true;
    }
    }
    }
}
return false;
}
WebTrends.prototype.dcsTypeMatch=function(pth, typelist){
var type=pth.toLowerCase().substring(pth.lastIndexOf(".")+1,pth.length);
var types=this.dcsSplit(typelist);
var tlen=types.length;	
for (var i=0;i<tlen;i++){
if (type==types[i]){
return true;
}
}
return false;
}
WebTrends.prototype.dcsEvt=function(evt,tag){
var e=evt.target||evt.srcElement;
while (e.tagName&&(e.tagName.toLowerCase()!=tag.toLowerCase())){
e=e.parentElement||e.parentNode;
}
return e;
}
WebTrends.prototype.dcsNavigation=function(evt){
var id="";
var cname="";
var elems=this.dcsSplit(this.navigationtag);
var elen=elems.length;	
var i,e,elem;
for (i=0;i<elen;i++){
elem=elems[i];
if (elem.length){
e=this.dcsEvt(evt,elem);
id=(e.getAttribute&&e.getAttribute("id"))?e.getAttribute("id"):"";
cname=e.className||"";
if (id.length||cname.length){
break;
}
}
}
return id.length?id:cname;
}
WebTrends.prototype.dcsBind=function(event,func){
if ((typeof(func)=="function")&&document.body){
if (document.body.addEventListener){
document.body.addEventListener(event, func.wtbind(this), true);
}
else if(document.body.attachEvent){
document.body.attachEvent("on"+event, func.wtbind(this));
}
}
}
WebTrends.prototype.dcsET=function(){
var e=(navigator.appVersion.indexOf("MSIE")!=-1)?"click":"mousedown";
this.dcsBind(e,this.dcsDownload);
this.dcsBind("contextmenu",this.dcsRightClick);
}
WebTrends.prototype.dcsMultiTrack=function(){
var args=dcsMultiTrack.arguments?dcsMultiTrack.arguments:arguments;
if (args.length%2==0){
this.dcsSetProps(args);
var dCurrent=new Date();
this.DCS.dcsdat=dCurrent.getTime();
this.dcsFPC();
this.dcsTag();
}
}
WebTrends.prototype.dcsCleanUp=function(){
this.DCS={};
this.WT={};
this.DCSext={};
if (arguments.length%2==0){
this.dcsSetProps(arguments);
}
}
WebTrends.prototype.dcsSetProps=function(args){
for (var i=0;i<args.length;i+=2){
if (args[i].indexOf('WT.')==0){
this.WT[args[i].substring(3)]=args[i+1];
}
else if (args[i].indexOf('DCS.')==0){
this.DCS[args[i].substring(4)]=args[i+1];
}
else if (args[i].indexOf('DCSext.')==0){
this.DCSext[args[i].substring(7)]=args[i+1];
}
}
}
WebTrends.prototype.dcsSplit=function(list){
var items=list.toLowerCase().split(",");
var len=items.length;
for (var i=0;i<len;i++){
items[i]=items[i].replace(/^\s*/,"").replace(/\s*$/,"");
}
return items;
}
// Code section for Track clicks to download links.
WebTrends.prototype.dcsDownload=function(evt){
evt=evt||(window.event||"");
if (evt&&((typeof(evt.which)!="number")||(evt.which==1))){
var e=this.dcsEvt(evt,"A");
if (e.href){
    var hn=e.hostname?(e.hostname.split(":")[0]):"";
    if (this.dcsIsOnsite(hn)&&this.dcsTypeMatch(e.pathname,this.downloadtypes)){
        var qry=e.search?e.search.substring(e.search.indexOf("?")+1,e.search.length):"";
        var pth=e.pathname?((e.pathname.indexOf("/")!=0)?"/"+e.pathname:e.pathname):"/";
        var ttl="";
        var text=document.all?e.innerText:e.text;
        var img=this.dcsEvt(evt,"IMG");
        if (img.alt){
        ttl=img.alt;
        }
        else if (text){
        ttl=text;
        }
        else if (e.innerHTML){
        ttl=e.innerHTML;
        }
        this.dcsMultiTrack("DCS.dcssip",hn,"DCS.dcsuri",pth,"DCS.dcsqry",e.search||"","WT.ti","Download:"+ttl,"WT.dl","20","WT.nv",this.dcsNavigation(evt));
        this.DCS.dcssip=this.DCS.dcsuri=this.DCS.dcsqry=this.WT.ti=this.WT.dl=this.WT.nv="";
    }
}
}
}
// Code section for Track right clicks to download links.
WebTrends.prototype.dcsRightClick=function(evt){
evt=evt||(window.event||"");
if (evt){
var btn=evt.which||evt.button;
if ((btn!=1)||(navigator.userAgent.indexOf("Safari")!=-1)){
var e=this.dcsEvt(evt,"A");
if ((typeof(e.href)!="undefined")&&e.href){
if ((typeof(e.protocol)!="undefined")&&e.protocol&&(e.protocol.indexOf("http")!=-1)){
if ((typeof(e.pathname)!="undefined")&&this.dcsTypeMatch(e.pathname,this.downloadtypes)){
var pth=e.pathname?((e.pathname.indexOf("/")!=0)?"/"+e.pathname:e.pathname):"/";
var hn=e.hostname?(e.hostname.split(":")[0]):"";
this.dcsMultiTrack("DCS.dcssip",hn,"DCS.dcsuri",pth,"DCS.dcsqry","","WT.ti","RightClick:"+pth,"WT.dl","25");
this.DCS.dcssip=this.DCS.dcsuri=this.WT.ti=this.WT.dl=this.WT.nv="";
}
}
}
}
}
}
WebTrends.prototype.dcsAdv=function(){
if (this.trackevents&&(typeof(this.dcsET)=="function")){
if (window.addEventListener){
window.addEventListener("load",this.dcsET.wtbind(this),false);
}
else if (window.attachEvent){
window.attachEvent("onload",this.dcsET.wtbind(this));
}
}
this.dcsFPC();
}
WebTrends.prototype.dcsVar=function(){
var dCurrent=new Date();
var WT=this.WT;
var DCS=this.DCS;
WT.tz=parseInt(dCurrent.getTimezoneOffset()/60*-1)||"0";
WT.bh=dCurrent.getHours()||"0";
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){
if (window.RegExp){
var tire=new RegExp("^"+window.location.protocol+"//"+window.location.hostname+"\\s-\\s");
WT.ti=document.title.replace(tire,"");
}
else{
WT.ti=document.title;
}
}
WT.js="Yes";
WT.jv=(function(){
var agt=navigator.userAgent.toLowerCase();
var major=parseInt(navigator.appVersion);
var mac=(agt.indexOf("mac")!=-1);
var ff=(agt.indexOf("firefox")!=-1);
var ff0=(agt.indexOf("firefox/0.")!=-1);
var ff10=(agt.indexOf("firefox/1.0")!=-1);
var ff15=(agt.indexOf("firefox/1.5")!=-1);
var ff20=(agt.indexOf("firefox/2.0")!=-1);
var ff3up=(ff&&!ff0&&!ff10&!ff15&!ff20);
var nn=(!ff&&(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 (ff3up){
jv="1.8";
}
else if (ff20){
jv="1.7";
}
else if (ff15){
jv="1.6";
}
else if (ff0||ff10||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;
})();
WT.ct="unknown";
if (document.body&&document.body.addBehavior){
try{
document.body.addBehavior("#default#clientCaps");
WT.ct=document.body.connectionType||"unknown";
document.body.addBehavior("#default#homePage");
WT.hp=document.body.isHomePage(location.href)?"1":"0";
}
catch(e){
}
}
if (document.all){
WT.bs=document.body?document.body.offsetWidth+"x"+document.body.offsetHeight:"unknown";
}
else{
WT.bs=window.innerWidth+"x"+window.innerHeight;
}
WT.fv=(function(){
var i,flash;
if (window.ActiveXObject){
for(i=10;i>0;i--){
try{
flash=new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i);
return i+".0";
}
catch(e){
}
}
}
else if (navigator.plugins&&navigator.plugins.length){
for (i=0;i<navigator.plugins.length;i++){
if (navigator.plugins[i].name.indexOf('Shockwave Flash')!=-1){
return navigator.plugins[i].description.split(" ")[2];
}
}
}
return "Not enabled";
})();
WT.slv=(function(){
var slv="Not enabled";
try{     
if (navigator.userAgent.indexOf('MSIE')!=-1){
var sli = new ActiveXObject('AgControl.AgControl');
if (sli){
slv="Unknown";
}
}
else if (navigator.plugins["Silverlight Plug-In"]){
slv="Unknown";
}
}
catch(e){
}
if (slv!="Not enabled"){
var i,j,v;
if ((typeof(Silverlight)=="object")&&(typeof(Silverlight.isInstalled)=="function")){
for(i=3;i>0;i--){
for (j=9;j>=0;j--){
v=i+"."+j;
if (Silverlight.isInstalled(v)){
slv=v;
break;
}
}
if (slv==v){
break;
}
}
}
}
return slv;
})();
if (this.i18n){
if (typeof(document.defaultCharset)=="string"){
WT.le=document.defaultCharset;
} 
else if (typeof(document.characterSet)=="string"){
WT.le=document.characterSet;
}
else{
WT.le="unknown";
}
}
WT.tv="8.6.2";
//	WT.sp="@@SPLITVALUE@@";
WT.dl="0";
WT.ssl=(window.location.protocol.indexOf('https:')==0)?"1":"0";
DCS.dcsdat=dCurrent.getTime();
DCS.dcssip=window.location.hostname;
DCS.dcsuri=window.location.pathname;
WT.es=DCS.dcssip+DCS.dcsuri;
if (window.location.search){
DCS.dcsqry=window.location.search;
}
if (DCS.dcsqry){
var dcsqry=DCS.dcsqry.toLowerCase();
var params=this.paidsearchparams.length?this.paidsearchparams.toLowerCase().split(","):[];
for (var i=0;i<params.length;i++){
if (dcsqry.indexOf(params[i]+"=")!=-1){
WT.srch="1";
break;
}
}
}
if ((window.document.referrer!="")&&(window.document.referrer!="-")){
if (!(navigator.appName=="Microsoft Internet Explorer"&&parseInt(navigator.appVersion)<4)){
DCS.dcsref=window.document.referrer;
}
}
}
WebTrends.prototype.dcsEscape=function(S, REL){
if (REL!=""){
S=S.toString();
for (var R in REL){
 			if (REL[R] instanceof RegExp){
S=S.replace(REL[R],R);
 			}
}
return S;
}
else{
return escape(S);
}
}
WebTrends.prototype.dcsA=function(N,V){
if (this.i18n&&(this.exre!="")&&!this.exre.test(N)){
if (N=="dcsqry"){
var newV="";
var params=V.substring(1).split("&");
for (var i=0;i<params.length;i++){
var pair=params[i];
var pos=pair.indexOf("=");
if (pos!=-1){
var key=pair.substring(0,pos);
var val=pair.substring(pos+1);
if (i!=0){
newV+="&";
}
newV+=key+"="+this.dcsEncode(val);
}
}
V=V.substring(0,1)+newV;
}
else{
V=this.dcsEncode(V);
}
}
return "&"+N+"="+this.dcsEscape(V, this.re);
}
WebTrends.prototype.dcsEncode=function(S){
return (typeof(encodeURIComponent)=="function")?encodeURIComponent(S):escape(S);
}
WebTrends.prototype.dcsCreateImage=function(dcsSrc){
if (document.images){
this.images[this.index]=new Image();
this.images[this.index].src=dcsSrc;
this.index++;
}
else{
document.write('<IMG ALT="" BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="'+dcsSrc+'">');
}
}
WebTrends.prototype.dcsMeta=function(){
var elems;
if (document.all){
elems=document.all.tags("meta");
}
else if (document.documentElement){
elems=document.getElementsByTagName("meta");
}
if (typeof(elems)!="undefined"){
var length=elems.length;
for (var i=0;i<length;i++){
var name=elems.item(i).name;
var content=elems.item(i).content;
var equiv=elems.item(i).httpEquiv;
if (name.length>0){
if (name.toUpperCase().indexOf("WT.")==0){
this.WT[name.substring(3)]=content;
}
else if (name.toUpperCase().indexOf("DCSEXT.")==0){
this.DCSext[name.substring(7)]=content;
}
else if (name.toUpperCase().indexOf("DCS.")==0){
this.DCS[name.substring(4)]=content;
}
}
}
}
}
WebTrends.prototype.dcsTag=function(){
if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
return;
}
var WT=this.WT;
var DCS=this.DCS;
var DCSext=this.DCSext;
var i18n=this.i18n;
var P="http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+this.domain+(this.dcsid==""?'':'/'+this.dcsid)+"/dcs.gif?";
if (i18n){
WT.dep="";
}
for (var N in DCS){
 		if (DCS[N]&&(typeof DCS[N]!="function")){
P+=this.dcsA(N,DCS[N]);
}
}
var keys=["co_f","vtid","vtvs","vt_f_tlv"];
for (var i=0;i<keys.length;i++){
var key=keys[i];
if (WT[key]){
P+=this.dcsA("WT."+key,WT[key]);
delete WT[key];
}
}
for (N in WT){
if (WT[N]&&(typeof WT[N]!="function")){
P+=this.dcsA("WT."+N,WT[N]);
}
}
for (N in DCSext){
if (DCSext[N]&&(typeof DCSext[N]!="function")){
if (i18n){
WT.dep=(WT.dep.length==0)?N:(WT.dep+";"+N);
}
P+=this.dcsA(N,DCSext[N]);
}
}
if (i18n&&(WT.dep.length>0)){
P+=this.dcsA("WT.dep",WT.dep);
}
if (P.length>2048&&navigator.userAgent.indexOf('MSIE')>=0){
P=P.substring(0,2040)+"&WT.tu=1";
}
this.dcsCreateImage(P);
this.WT.ad="";
}
WebTrends.prototype.dcsDebug=function(){
var t=this;
var i=t.images[0].src;
var q=i.indexOf("?");
var r=i.substring(0,q).split("/");
var m="<b>Protocol</b><br><code>"+r[0]+"<br></code>";
m+="<b>Domain</b><br><code>"+r[2]+"<br></code>";
m+="<b>Path</b><br><code>/"+r[3]+"/"+r[4]+"<br></code>";
m+="<b>Query Params</b><code>"+i.substring(q+1).replace(/\&/g,"<br>")+"</code>";
m+="<br><b>Cookies</b><br><code>"+document.cookie.replace(/\;/g,"<br>")+"</code>";
if (t.w&&!t.w.closed){
t.w.close();
}
t.w=window.open("","dcsDebug","width=500,height=650,scrollbars=yes,resizable=yes");
t.w.document.write(m);
t.w.focus();
}
WebTrends.prototype.dcsCollect=function(){
    if (this.enabled){
        this.dcsVar();
        this.dcsMeta();
        this.dcsAdv();
        this.dcsTag();
    }
}
function dcsMultiTrack(){
if (typeof(_tag)!="undefined"){
return(_tag.dcsMultiTrack());
}
}
function dcsDebug(){
if (typeof(_tag)!="undefined"){
return(_tag.dcsDebug());
}
}
Function.prototype.wtbind = function(obj){
var method=this;
var temp=function(){
return method.apply(obj,arguments);
};
return temp;
}
if(window.addEventListener) {
  window.addEventListener("load",
  	function() {
  		_tag.dcsCollect();
  	}
  	, false)
} else if (window.attachEvent) {
  window.attachEvent("onload",
  	function() {
  		_tag.dcsCollect();
  	})
}