I would appriciate any help. the problem I am having is when on a page that would have a dropdown on the root the dropdown no longer works. my xslt is below.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:stylesheet [
    <!ENTITY nbsp "&#x00A0;">
    ]>
<xsl:stylesheet
    version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxml="urn:schemas-microsoft-com:xslt"
    xmlns:umbraco.library="urn:umbraco.library"
    exclude-result-prefixes="msxml umbraco.library">
    <xsl:output method="html" omit-xml-declaration="yes" />
    <xsl:param name="currentPage"/>
    <!-- Input the documenttype you want here -->
    <xsl:variable name="level" select="1"/>
    <xsl:template match="/">
        <nav class="navbar navbar-default" role="navigation">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </div>
            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav">
                    <li class="home">
                        <xsl:if test="$currentPage/@id = $currentPage/ancestor-or-self::* [@level=$level]/@id">
                            <xsl:attribute name="class">active</xsl:attribute>
                        </xsl:if>
                        <a href="/">Home</a>
                    </li>
                    <xsl:for-each select="$currentPage/ancestor-or-self::* [@level=$level]/* [@isDoc and string(naviHide) != '1']">
                        <li>
                            <xsl:if test="@id = $currentPage/@id">
                                <xsl:attribute name="class">active</xsl:attribute>
                                <xsl:if test="count &gt; 0">
                                    <xsl:attribute name="class">dropdown</xsl:attribute>
                                </xsl:if>
                            </xsl:if>
                            <xsl:choose>
                                <xsl:when test="count(./* [@isDoc and string(naviHide) != '1']) &gt; 0">
                                    <xsl:attribute name="class">dropdown</xsl:attribute>
                                    <a class="dropdown-toggle" data-toggle="dropdown" href="{umbraco.library:NiceUrl(@id)}">
                                        <span>
                                            <xsl:value-of select="@nodeName"/>
                                        </span>
                                        <i style="padding-left: 1em;" class="fa fa-caret-down"></i>
                                    </a>
                                    <ul class="dropdown-menu">
                                        <li><a href="{umbraco.library:NiceUrl(@id)}">All</a></li>
                                        <xsl:for-each select="./* [@isDoc and string(naviHide) != '1']">
                                            <li>
                                                <a href="{umbraco.library:NiceUrl(@id)}" >
                                                    <xsl:value-of select="@nodeName"/>
                                                </a>
                                            </li>
                                        </xsl:for-each>
                                    </ul>
                                </xsl:when>
                                <xsl:otherwise>
                                    <a href="{umbraco.library:NiceUrl(@id)}">
                                    <span>
                                        <xsl:value-of select="@nodeName"/>
                                    </span>
                                    </a>
                                </xsl:otherwise>
                            </xsl:choose>
                        </li>
                    </xsl:for-each>
                </ul>
            </div>
        </nav>
    </xsl:template>
</xsl:stylesheet>