How to implement Muenchain Grouping in below Scenario

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<span style="font-family:Arial,Liberation Sans,DejaVu Sans,sans-serif; font-size:14px; text-align:left When i try to create the keys i get an error saying my stylesheet is empty or XML is not formatted correctly. Please perform this on your system for
better understanding of my code. Let me explain you everthing in detail. I have a .js file when i double click .js file it will take the .csv in that folder and uses the xslt and gives me an .xml output file.
<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left /* code for my .js file */ (Please copy this to note pad and save it as InvoiceAdjustment.js)
<pre class="prettyprint showAbsolutePath("InvoiceAdjustment.js");

function showAbsolutePath(path)
{
var fso = new ActiveXObject("Scripting.FileSystemObject");
var s = "";
s += fso.GetAbsolutePathName(path);

var foldername = s.substring(0,s.indexOf(path,0));
showFolderFileList(foldername);
}

function showFolderFileList(foldername)
{
var fso, f, fc, filename;

fso = new ActiveXObject("Scripting.FileSystemObject");
f = fso.GetFolder(foldername);
fc = new Enumerator(f.files);

for (; !fc.atEnd(); fc.moveNext())
{
filename = "";
filename += fc.item();

if (filename.slice(-4) == ".csv")
{
convertCSVtoXML(foldername, filename);
}
}

fso = null;
}

function convertCSVtoXML(foldername, filename)
{
var objDOMDocument = new ActiveXObject("MSXML2.DOMDocument.4.0");
objDOMDocument.async = false;

//Create Header
objDOMDocument.appendChild(XMLHeader(objDOMDocument));
var objXMLDOMNode = objDOMDocument.documentElement.selectSingleNode("//Document");

// Declare XML object -- this makes it easier to pass as a parameter
var objXML = new Object();

// Open the extracted csv from zip file
var fso = new ActiveXObject("Scripting.FileSystemObject");

var csvFilename = filename;

var tso = fspenTextFile(csvFilename, 1);
var strInput;

// Loop through the file
while(!tso.AtEndOfStream)
{
strInput = tso.ReadLine();

var vInputLine = strInput.split(",");
objXML.a = vInputLine[0];
objXML.b = vInputLine[1];
objXML.c = vInputLine[2];
objXML.d = vInputLine[3];
objXML.e = vInputLine[4];



if (objXML.a != RebateInvoiceID)
{
objXMLDOMNode.appendChild(XMLFileNode(objDOMDocument,objXML));
}
}
tso.Close();

// Load Transform file
var TransformXSL = new ActiveXObject("MSXML2.DOMDocument.4.0");
TransformXSL.async = false
TransformXSL.load(foldername + "\InvAdj.xsl");

// Load XML file and transform it
var TempStagingDoc = new ActiveXObject("MSXML2.DOMDocument.4.0");
TempStagingDoc.async = false;
TempStagingDoc.loadXML(objDOMDocument.xml);
var FinalStr = TempStagingDoc.transformNode(TransformXSL);

// Grab just the file name minus any extension
var fn = filename.substring(0, filename.indexOf(".csv"));
tmpxml = fn + ".xml";

// Write out the transformed file. If writing out just the xml file before transform
// FSObject.WriteLine(objDOMDocument.xml);

var FSObject = fso.CreateTextFile(tmpxml, true);
FSObject.WriteLine(FinalStr);
FSObject.Close();

/*
// Create empty .flag file then rename it
tmpxml += ".flag";
var fsoEmptyFile = fso.CreateTextFile(tmpxml, true);
fsoEmptyFile.Close();

// Rename the .flag file to .done
var donefilename = tmpxml.substring(0,tmpxml.indexOf(".flag",0));
donefilename += ".done";
fso.MoveFile(tmpxml, donefilename);

// Delete the corresponding .csv file
fso.DeleteFile(csvFilename);

*/


// Clear all objects
objDOMDocument = null;
fso = null;
TransformXSL = null;
objXML = null;
TempStagingDoc = null;
}

function XMLHeader(objDOMDocument)
{
var XMLHead;
XMLHead = objDOMDocument.createNode(1, "Document","");

var objXMLDOMAttribute = objDOMDocument.createAttribute("Version");
objXMLDOMAttribute.text = "1.0";
XMLHead.attributes.setNamedItem(objXMLDOMAttribute);

var objXMLDOMAttribute = objDOMDocument.createAttribute("CreationTimestamp");
objXMLDOMAttribute.text = getTimestamp();
XMLHead.attributes.setNamedItem(objXMLDOMAttribute);

return(XMLHead);
}

function XMLFileNode(objDOMDocument,objXML)
{
var objXMLDOMNode = objDOMDocument.createNode(1, "RawXMLRow","");

objXMLDOMElement = objDOMDocument.createElement("RebateInvoiceID");
objXMLDOMElement.text = objXML.a;
objXMLDOMNode.appendChild(objXMLDOMElement);

objXMLDOMElement = objDOMDocument.createElement("RebateEventID");
objXMLDOMElement.text = objXML.b;
objXMLDOMNode.appendChild(objXMLDOMElement);

objXMLDOMElement = objDOMDocument.createElement("BusinessUnitCode");
function getBusinessUnitCode(){
var r = String(objXML.c).length;
if(r == 4)
return String(objXML.c);
if( r == 3)
return "0"+String(objXML.c);
if(r == 2){
return "00"+String(objXML.c);
}
else
return "000"+String(objXML.c);

}
objXMLDOMElement.text = getBusinessUnitCode();
objXMLDOMNode.appendChild(objXMLDOMElement);

objXMLDOMElement = objDOMDocument.createElement("CategoryID");
objXMLDOMElement.text = objXML.d;
objXMLDOMNode.appendChild(objXMLDOMElement);

objXMLDOMElement = objDOMDocument.createElement("PaymentAmount");
objXMLDOMElement.text = objXML.e;
objXMLDOMNode.appendChild(objXMLDOMElement);

return(objXMLDOMNode);
}

function getTimestamp()
{
var d = new Date();
var mm = padZeros(d.getMonth()+1);
var dd = padZeros(d.getDate());
var hh = padZeros(d.getHours());
var mn = padZeros(d.getMinutes());
var ss = padZeros(d.getSeconds());

return d.getFullYear()+"-"+ mm +"-"+ dd +"T"+ hh +":"+ mm +":"+ ss;
}

function padZeros(s)
{
if (s < 10)
{
s = "0" + s;
}
return(s);
}

function getDate(stringDate)
{
var a = String(stringDate).split( "/" );
var strXML ;

strDate = "" ;

for ( var i = 0 ; i < a.length; i++ )
{
if (a.length == 1)
strDate += "0" + a;
else
strDate += a;
}

strDate += "" ;

return strDate;
}[/code]
<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left /* code for xslt */ ( make an xslt using below code and save it as InvAdj.xsl)
<pre class="prettyprint <?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0" xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:script="script" exclude-result-prefixes="msxsl
<xslutput omit-xml-declaration="yes"/>

<!-- ROOT -->
<xsl:template match="/
<EnterpriseDocument>
<xsl:attribute name="InterfaceName RebateInvoiceAdjustmentImport</xsl:attribute>
<xsl:attribute name="ClientID
<xsl:choose>
<xsl:when test="normalize-space(ClientID)
<xsl:value-of select="//Document/RawXMLRow/ClientID"/>
</xsl:when>
<xsltherwise>1000001</xsltherwise>
</xsl:choose>
</xsl:attribute>
<xsl:attribute name="ClientName XXXX</xsl:attribute>
<xsl:attribute name="Version 1.0</xsl:attribute>
<xsl:attribute name="CreationSource File</xsl:attribute>
<xsl:attribute name="CreationTimestamp
<xsl:value-of select="script:getTimestamp()"/>
</xsl:attribute>
<xsl:call-template name="InvAdjData"/>
</EnterpriseDocument>
</xsl:template>

<xsl:template name="InvAdjData
<xsl:for-each select="//Document/RawXMLRow[not(RebateInvoiceID=preceding-sibling::RawXMLRow/RebateInvoiceID)]
<xsl:sort select="RebateInvoiceID"/>
<RebateInvoice>
<xsl:attribute name="RebateInvoiceID
<xsl:value-of select="RebateInvoiceID"/>
</xsl:attribute>
<xsl:variable name="InvoiceID
<xsl:value-of select="RebateInvoiceID"/>
</xsl:variable>
<xsl:for-each select="//Document/RawXMLRow[not(RebateEventID=preceding-sibling::RawXMLRow[RebateInvoiceID=$InvoiceID]/RebateEventID)]
<xsl:if test="RebateInvoiceID=$InvoiceID
<xsl:variable name="EventID
<xsl:value-of select="RebateEventID"/>
</xsl:variable>
<RebateProgram>
<xsl:attribute name="RebateEventID
<xsl:value-of select="RebateEventID"/>
</xsl:attribute>
<xsl:for-each select="//Document/RawXMLRow[not(BusinessUnitCode=preceding-sibling::RawXMLRow[RebateInvoiceID=$InvoiceID and RebateEventID=$EventID]/BusinessUnitCode)]
<xsl:if test="RebateInvoiceID=$InvoiceID and RebateEventID=$EventID
<xsl:variable name="BUCode
<xsl:value-of select="BusinessUnitCode" />
</xsl:variable>
<BusinessUnit>
<xsl:attribute name="BusinessUnitCode
<xsl:value-of select="BusinessUnitCode"/>
</xsl:attribute>

<xsl:for-each select="//Document/RawXMLRow[not(CategoryID=preceding-sibling::RawXMLRow[RebateInvoiceID=$InvoiceID and RebateEventID=$EventID and BusinessUnitCode=$BUCode]/CategoryID)]
<xsl:if test="RebateInvoiceID=$InvoiceID and RebateEventID=$EventID and BusinessUnitCode=$BUCode
<ItemCategoryPayment>

<xsl:attribute name="CategoryID
<xsl:value-of select="CategoryID"/>
</xsl:attribute>
<xsl:attribute name="PaymentAmount
<xsl:value-of select="PaymentAmount"/>
</xsl:attribute>
</ItemCategoryPayment>
</xsl:if>
</xsl:for-each>
</BusinessUnit >
</xsl:if>

</xsl:for-each>

</RebateProgram >
</xsl:if>
</xsl:for-each>
</RebateInvoice >
</xsl:for-each>

</xsl:template>

<!-- BEGIN JSCRIPT HELPER CODE, KEEP THIS SECTION AS SMALL AS POSSIBLE ITS A PERFORMANCE HOG -->
<msxsl:script language="JScript" implements-prefix="script
<![CDATA[

function getTimestamp()
{
var d = new Date();
var m, dy, hr, mn, se;

if (d.getMonth()+1 < 10)
{
m = "0"+(d.getMonth()+1);
}
else if (d.getMonth()+1 > 9)
{
m = d.getMonth()+1;
}

if (d.getDate() < 10)
{
dy = "0"+(d.getDate());
}
else if (d.getDate() > 9)
{
dy = d.getDate();
}

if (d.getHours() < 10)
{
hr = "0"+(d.getHours());
}
else if (d.getHours() > 9)
{
hr = d.getHours();
}

if (d.getMinutes() < 10)
{
mn = "0"+(d.getMinutes());
}
else if (d.getMinutes() > 9)
{
mn = d.getMinutes();
}

if (d.getSeconds() < 10)
{
se = "0"+(d.getSeconds());
}
else if (d.getSeconds() > 9)
{
se = d.getSeconds();
}

return d.getFullYear()+"-"+ m +"-"+ dy +"T"+ hr +":"+ mn +":"+ se;
}

]]>
</msxsl:script>
</xsl:stylesheet>[/code]
<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left Now copy this records into an excel sheet and save it as .csv
<pre class="prettyprint RebateInvoiceID RebateEventID BusinessUnitCode CategoryID PaymentAmount
1001878 1003042 402 1000057 89
1001878 1003042 405 1000057 94.42
1001878 1003043 406 1000057 147.5
1001878 1003048 423 1000057 97.36
1001879 1008042 433 1000057 89
1001879 1008042 434 1000057 70.24
1001879 1008942 435 1000057 53.08
1001978 2003042 437 1000057 127.85
1001978 2003042 438 1000057 180.04
1001978 3003042 446 1000057 146.61
1001978 3003042 448 1000057 76.56[/code]
<br/>
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left
Now place the .csv input file and .js file and xslt in to one folder and double click the .js file it will generate an .xml file.
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left
now i need the same result using muenchain grouping method in xslt code. Can you help me please.
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left

<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left
Thanks.
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left

<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; list-style-type:none; color:#333333; font-size:13px; line-height:16px; text-align:left

<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left <br/>

<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left <br/>

<span style="color:#333333; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; font-size:13px; line-height:16px; text-align:left <span style="font-family:Arial,Liberation Sans,DejaVu Sans,sans-serif; font-size:14px; text-align:left

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