dynamicContent xPages

<xp:view xmlns:xp="http://www.ibm.com/xsp/core"
            xmlns:xe="http://www.ibm.com/xsp/coreex">
         <xp:button value="Switch!" id="switchButton">
            <xp:eventHandler event="onclick" submit="true"
                refreshMode="partial" refreshId="dynamicCustomControl">
                <xp:this.action><![CDATA[#{javascript:viewScope.controlName = 'cc_test2.xsp';
        getComponent('dynamicCustomControl').show(null)}]]></xp:this.action>
            </xp:eventHandler></xp:button>
         <xe:dynamicContent id="dynamicCustomControl">
                <xp:include id="customControlInluder">
                    <xp:this.pageName>
     <![CDATA[${javascript:viewScope.controlName||"cc_test1.xsp"}]]>
     </xp:this.pageName>
                </xp:include>
         </xe:dynamicContent>
</xp:view>