<xsl:if test="count($items) &gt; 0">
                            <ul>
                                <xsl:for-each select="$items">
                                    <xsl:variable name="items1" select="@nodeName/ancestor-or-self::* [@isDoc and @level = 3]/* [@isDoc and string(umbracoNaviHide) != '1']" />
                                    <xsl:choose>
                                        <xsl:when test="count($items1) &gt; 0">
                                            <li id="{concat('li_',position())}" onclick="leftmenutoogle('{position()}')" class="leftmenu_arrow">
                                             
                                                <a href="#">
                                                    <xsl:value-of select="@nodeName" />
                                                </a>
                                                <div class="lmenu_level2" id="{concat('menu_',position())}" style="display: none;">
                                                    <ul>
                                                        <xsl:for-each select="$items1">
                                                            <li>

                                                       <a href="{umbraco.library:NiceUrl(@id)}?id={I want to get the li ID}">
                                                                    <xsl:value-of select="@nodeName" />
                                                                 </a>

                                                            </li>                                                           
                                                        </xsl:for-each>
                                                    </ul>
                                                </div>
                                            </li>
                                        </xsl:when>                                      
                                    </xsl:choose>
                                </xsl:for-each>
                            </ul>
                        </xsl:if>

for example :

if the li id is li_1

then i want this id in

<a href="{umbraco.library:NiceUrl(@id)}?id={li_1}