Hi,
Could anyone possibly take the time to explain exactly what this script code does i would be most greatful.Thanks.Rob


</SCRIPT>
<SCRIPT LANGUAGE="JavaScript"><!--
var gImages=new Array;
var gIndex=0;
var DCS=new Object();
var WT=new Object();
var DCSext=new Object();

var gDomain="wt-sdc.arsnet.usda.gov";
var gDcsId="dcsed6dqdywsdjp4btgwcgo3u_4j5b";

function dcsVar(){
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=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=document.title;
}
WT.js="Yes";
if (typeof(gVersion)!="undefined"){
WT.jv=gVersion;
}

WT.sp="@@SPLITVALUE@@";
DCS.dcsdat=dCurrent.getTime();
DCS.dcssip=window.location.hostname;
DCS.dcsuri=window.location.pathname;

DCS.dcscfg=00000004; //SESSION COOKIE ONLY

if (window.location.search){
DCS.dcsqry=window.location.search;
}
if ((window.document.referrer!="")&&(window.document.referrer!="-")){
if (!(navigator.appName=="Microsoft Internet Explorer"&&parseInt(navigator.appVersion)<4)){
DCS.dcsref=window.document.referrer;
}
}
}

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

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

function dcsCreateImage(dcsSrc){
if (document.images){
gImages[gIndex]=new Image;
gImages[gIndex].src=dcsSrc;
gIndex++;
}
else{
document.write('<IMG BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="'+dcsSrc+'">');
}
}

function dcsMeta(){
var myDocumentElements;
if (document.all){
myDocumentElements=document.all.tags("meta");
}
else if (document.documentElement){
myDocumentElements=document.getElementsByTagName("meta");
}
if (typeof(myDocumentElements)!="undefined"){
for (var i=1;i<=myDocumentElements.length;i++){
myMeta=myDocumentElements.item(i-1);
if (myMeta.name){
if (myMeta.name.indexOf('WT.')==0){
WT[myMeta.name.substring(3)]=myMeta.content;
}
else if (myMeta.name.indexOf('DCSext.')==0){
DCSext[myMeta.name.substring(7)]=myMeta.content;
}
else if (myMeta.name.indexOf('DCS.')==0){
DCS[myMeta.name.substring(4)]=myMeta.content;
}
}
}
}
}

function dcsTag(){
var P="http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+gDomain+(gDcsId==""?'':'/'+gDcsId)+"/dcs.gif?";
for (N in DCS){
if (DCS[N]) {
P+=A(N,DCS[N]);
}
}
for (N in WT){
if (WT[N]) {
P+=A("WT."+N,WT[N]);
}
}
for (N in DCSext){
if (DCSext[N]) {
P+=A(N,DCSext[N]);
}
}
if (P.length>2048&&navigator.userAgent.indexOf('MSIE')>=0){
P=P.substring(0,2040)+"&WT.tu=1";
}
P=P+"&spsite_id=00000000"; P=P+"&WT.sp=00000000";

dcsCreateImage(P);
}

dcsVar();
dcsMeta();
dcsTag();
//-->
</SCRIPT>