<c:choose>
<c:when test="${fn:length(wk.title)>5}">${fn:substring(wk.title,0 ,5 )}......</c:when>
<c:otherwise>${wk.title}</c:otherwise>
</c:choose>
<c:choose>
<c:when test="${fn:length(wk.title)>5}">${fn:substring(wk.title,0 ,5 )}......</c:when>
<c:otherwise>${wk.title}</c:otherwise>
</c:choose>