function vsDoTracking(serverUrl)
{











var vsUrl,
vs,
vsImageString,
vsObj,
vsTrackingParameters,
vsTradeUrl,
vsTradeBool,
vsStrProtocol,
vsCookieVal,
vsCookieEndStr,
vsCugSource,
vsExtraElement;
if (serverUrl === undefined) serverUrl = "";
vsTrackingParameters = new Array();
vs = new Array();
vsUrl= window.location.href;



if (!(window.trackingInfo === undefined))
{
if (trackingInfo !== null)
{
vs = trackingInfo;
}
}


try
{
vsExtraElement = (vs.pageidextra === undefined) ? "" : vs.pageidextra;
vs.hostname = document.nav_form.hostname.value;
vs.protocol = document.nav_form.protocol.value;
vs.audience = document.nav_form.audience.value;
vs.pageid = document.nav_form.pageid.value + vsExtraElement;
vs.logintype = document.nav_form.logintype.value;
vs.scheme = document.nav_form.scheme.value;
vs.tier = document.nav_form.tier.value;
vs.language = document.nav_form.language.value;
vs.country = document.nav_form.country.value;
}
catch (e)
{
}


if (!(window.vsHardCodedName === undefined))
{
if (window.vsHardCodedName !== null)
{
vsIndex = vsHardCodedName.lastIndexOf("/");
vs.hardcodedname = vsHardCodedName.substring(vsIndex + 1, vsHardCodedName.length);
}
}

try
{
vs.dt = document.title;
vs.dr = document.referrer;
vs.cb = new Date().getTime();
vs.sw = screen.width;
vs.sh = screen.height;
vs.cd = screen.colorDepth;
}
catch (e)
{
}

if ((vsUrl.indexOf("?") > -1) && (vsUrl.indexOf("?") != (vsUrl.length - 1)))
{
vs = vsSplitParameters(vsUrl, vs);
}


if (!(window.functionalInfo === undefined))
{
if (functionalInfo !== null)
{
vs = vsSplitParameters(functionalInfo, vs);
}
}


vsStrProtocol = window.location.protocol;
vsCookieVal = getCookie("texcookie");

if (vsCookieVal)
{
vsTradeUrl = window.location.href;
vsTradeBool = vsTradeUrl.indexOf("trade");

if (vsTradeBool > 0)
{
vsCookieEndStr = vsCookieVal.indexOf(".");
if (!vsCookieEndStr)
{
vsCookieEndStr = vsCookieVal.length ;
}

vsCookieVal = vsCookieVal.substring(0, vsCookieEndStr);
vsImageString += "&" + "trade_user=" + vsCookieVal;
}
}


if(!(window.cugsource === undefined))
{
if(window.cugsource !== null)
{
vs.cugsource = window.cugsource;
}
}





vsImageString = "<img src=\"" + serverUrl + "/cms/s.gif?Log=1";


for (vsObj in vs)
{
vsImageString = vsImageString + "&" + vsObj + "=" + escape(vs[vsObj]);
vsTrackingParameters[vsObj] = escape(vs[vsObj]);
}


vsImageString += "\" height=\"1\" width=\"1\" alt=\"\" />";
return vsImageString;
}
function vsSplitParameters(vsQueryList, vsNewArray)
{
var vsQueryStart,
vsQueryArray,
vsKeyArray,
vsKey,
vsValue,
vsIndex,
i;
vsQueryStart = vsQueryList.indexOf("?");

if (vsQueryStart > -1)
{
vsQueryList = vsQueryList.substring(vsQueryStart+1,vsQueryList.length);
vsQueryArray = vsQueryList.split("&");
for (i = 0; i < vsQueryArray.length; i++)
{
if(vsQueryArray[i] != "")
{
vsKeyArray = vsQueryArray[i].split("=");

if(vsKeyArray.length == 2)
{
if(vsKeyArray[0]!==undefined)
{
vsKey = vsKeyArray[0];
vsKey = vsKey.replace(/[^a-zA-Z0-9_-]+/g,'');
if(vsKey!="")
{
if(vsKeyArray[1]!==undefined)
{
vsValue = vsKeyArray[1];
if(vsValue != "")
{
vsValue = vsValue.replace(/[^a-zA-Z0-9_-]+/g,'');
vsValue = vsValue.substr(0,20);
}
vsNewArray[vsKey] = vsValue;
}
}
}
}
}
}
}
return vsNewArray;
}