anchor.diff:      <h:column>
         <f:facet name="header">
          <h:panelGroup>
  -        <h:commandLink title="#{selectIndexMessages.t_sortTime}" id="reviewtime" rendered="#{select.reviewableSortOrder!='time'}">
  +        <h:commandLink title="#{selectIndexMessages.t_sortTime}" id="reviewtime" rendered="#{select.reviewableSortOrder!='time'}" onmouseup="disableLinks(this);">
             <f:param name="reviewableSortType" value="time" />
             <f:param name="reviewableAscending" value="true" />
             <f:actionListener
  
positive.code: 
    <f:verbatim><br /></f:verbatim>
         <h:commandLink title="#{selectIndexMessages.t_histogram}" id="histogram"  action="#{delivery.getOutcome}" immediate="true"  
          rendered="#{reviewable.feedback ne 'false' && reviewable.statistics && !reviewable.hasRandomDrawPart && !reviewable.isAssessmentRetractForEdit}">
          <f:param name="publishedId" value="#{reviewable.assessmentId}" />
          <f:param name="hasNav" value="false"/>
          <f:param name="allSubmissions" value="true" />
  
negative.code:           <h:outputText value="#{selectIndexMessages.time} "  rendered="#{select.reviewableSortOrder!='time'}"/>
          </h:commandLink>
            <h:outputText value="#{selectIndexMessages.time} "  styleClass="currentSort" rendered="#{select.reviewableSortOrder=='time'}"/>
          <h:commandLink title="#{selectIndexMessages.t_sortTime}" rendered="#{select.reviewableSortOrder=='time'&& select.reviewableAscending }" onmouseup="disableLinks(this);">
             <f:param name="reviewableAscending" value="false" />
             <f:actionListener
               type="org.sakaiproject.tool.assessment.ui.listener.select.SelectActionListener" />
            <h:graphicImage alt="#{selectIndexMessages.alt_sortTimeDescending}" rendered="#{select.reviewableSortOrder=='time' && select.reviewableAscending}"
             url="/images/sortascending.gif"/>
          </h:commandLink>
          <h:commandLink title="#{selectIndexMessages.t_sortTime}" rendered="#{select.reviewableSortOrder=='time'&& !select.reviewableAscending }" onmouseup="disableLinks(this);">
             <f:param name="reviewableAscending" value="true" />
             <f:actionListener
               type="org.sakaiproject.tool.assessment.ui.listener.select.SelectActionListener" />
  