Dynamic Header , xslt

<ROOT>
<Header><Item>Column 1</Item></Header>
<Header><Item>Column 2</Item></Header>

<ROW>
<COlUMN>Zamora</COlUMN>
<COlUMN> Ruby E.</COlUMN>
</ROW>
<ROW>
<COlUMN>Hatfield</COlUMN>
<COlUMN> Hanae B.</COlUMN>
</ROW>
</ROOT>

oXMLString.Append(Chr(13) & "<Header>")
oXMLString.Append(Chr(13) & "<Item>Column " & j + 1 & "</Item>")
oXMLString.Append(Chr(13) & "</Header>")

<tr class="thead">
	<xsl:for-each select="Header/Item">
		<td class="rowHead" style="vertical-align:bottom;">
			<a href="#">
				<xsl:attribute name="id">
					<xsl:value-of select="@id"/>
				</xsl:attribute>
				<xsl:attribute name="onclick">
					<xsl:text>showPopWin('UploadFile_Step4_Modal.aspx',500,500,returnFieldID);</xsl:text>
				</xsl:attribute>
				<xsl:value-of select="." />
			</a>
		</td>
	</xsl:for-each>
</tr>

$('td.rowHead a').click(function(){
    var fieldId, fieldName;
    fieldId = // get field id from the popup
    fieldName = // get field name (e.g. via AJAX)
    this.innerHTML = fieldName;
});