<xsl:variable name="prefix_param">udt_<xsl:value-of select="//udt:Context/udt:ModuleId" />_paramxsl:variable>
  <xsl:param name="param_search" />
  <xsl:param name="param_searchpostback" />
  <xsl:param name="param_searchpostback2" />
  <xsl:param name="param_ispostback" />
  <xsl:key name="LessonLevel" match="udt:Data" use="udt:Lesson_Level" />
  <xsl:key name="ModuleUsed" match="udt:Data" use="udt:Module" />
  <xsl:variable name="search">
    <xsl:choose>
      <xsl:when test="$param_ispostback">
        <xsl:value-of select="$param_searchpostback" />
      <xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$param_search" />
      <xsl:otherwise>
    <xsl:choose>
  <xsl:variable>
  <xsl:variable name="search2">
    <xsl:choose>
      <xsl:when test="$param_ispostback">
        <xsl:value-of select="$param_searchpostback2" />
      <xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$param_search" />
      <xsl:otherwise>
    <xsl:choose>
  <xsl:variable>

<xsl:variable name="currentData" select="udt:Data[(contains(*[name()=$searchColumns][1],$search) or contains(*[name()=$searchColumns][2],$search) or contains(*[name()=$searchColumns][3],$search) or contains(*[name()=$searchColumns][4],$search) or contains(*[name()=$searchColumns][5],$search)) and (contains(*[name()=$searchColumns][1],$search2) or contains(*[name()=$searchColumns][2],$search2) or contains(*[name()=$searchColumns][3],$search2) or contains(*[name()=$searchColumns][4],$search2) or contains(*[name()=$searchColumns][5],$search2))]" />

<xsl:variable name="currentData" select="udt:Data[(contains(*[name()=$searchColumns][1],$search) or contains(*[name()=$searchColumns][2],$search) or contains(*[name()=$searchColumns][3],$search) or contains(*[name()=$searchColumns][4],$search) or contains(*[name()=$searchColumns][5],$search)) and (contains(*[name()=$searchColumns][1],$search2) or contains(*[name()=$searchColumns][2],$search2) or contains(*[name()=$searchColumns][3],$search2) or contains(*[name()=$searchColumns][4],$search2) or contains(*[name()=$searchColumns][5],$search2))]" />

<xsl:template name="SearchForm">
  Search by Year:
  <select name="{$prefix_param}_searchPostback" onchange="this.form.submit();">
    <option value="">ALL</option>
    <xsl:for-each select="udt:Data[count(. | key('data-by-Year', substring(udt:Date,1,4))[1]) = 1]">
      <xsl:sort select="substring(udt:Date,1,4)" order="descending" />
      <xsl:choose>
        <xsl:when test="substring(udt:Date,1,4)=$search">
          <option selected="selected"><xsl:value-of select="substring(udt:Date,1,4)"/></option>
        </xsl:when>
        <xsl:otherwise>
          <option><xsl:value-of select="substring(udt:Date,1,4)"/></option>
        </xsl:otherwise>
      </xsl:choose>
     </xsl:for-each>
   </select>
    <!--<input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" />-->
    <input type="hidden" name="{$prefix_param}_ispostback" value="true" />
  </xsl:template>