Hello, thanks to all for the help given.

My web page has many nodes.  Each of them represents a
treeview "expand (i.e., + )" and "collapsed (i.e., -).
 Therefore, a Collection can be either collapsed or in
collapsing state if that Collection is not empty.  If
users want to collpase a Collection, the application
makes a trip to the database to retrieve the elements
in that Collection.  Each of the node is coded as
shown below (I show one of the Collection(s) I have
and I do not want to repeat all of them):

<logic:notEmpty name="ActivityForm"  
                property="contactCollection">
<bean:define id="contactEntityType" value="contact" />
                                                                                
        <logic:equal name="ActivityForm"
property="expandContact"
                                                                                
                value="true">
                                                                                
                <html:link
action="/ntts/rfi/expandCollapseActivityView.do"
                                                                                
                        paramId="entitySection"
paramName="contactEntityType"
                                                                                
                        styleClass="actionLink">
                                                                                
                        <img
src="../../images/arrow_expanded.gif" border="0"
alt="collapsed">&nbsp;
                                                                                
                        <span class="sectionHeader">
                                                                                
                                <bean:message bundle="rfi"
key="activity.category.contact" />
                                                                                
                        </span>
                                                                                
                </html:link>
                                                                                
        </logic:equal>
                                                                                
        <logic:equal name="ActivityForm"
property="expandContact"
                                                                                
                value="false">
                                                                                
                <html:link
action="/ntts/rfi/expandCollapseActivityView.do"
                                                                                
                        paramId="entitySection"
paramName="contactEntityType"
                                                                                
                        styleClass="actionLink">
                                                                                
                        <img
src="../../images/arrow_collapsed.gif" border="0"
alt="expand">&nbsp;
                                                                                
                        <span class="sectionHeader">
                                                                                
                                <bean:message bundle="rfi"
key="activity.category.contact" />
                                                                                
                        </span>
                                                                                
                </html:link>
                                                                                
        </logic:equal>
                                                                                
        <span>&nbsp;&#91;<bean:size
id="contactCollectionSize" name="ActivityForm"
property="contactCollection"/><bean:write
name="contactCollectionSize"/>&#93;</span>
                                                                                
</logic:notEmpty>




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