This is a DropDownList containing CheckBoxes.
Adding items to control
Using the conrol
<xsl:template match="/">
<ul>
<xsl:for-each select="umbraco.library:Split($currentPage/languages[not(@isDoc)], ',')/*">
<li>
<xsl:value-of select="."/>
</li>
</xsl:for-each>
</ul>
</xsl:template>