<s:set var="knowledge"><%=type.getIndex().toString()%></s:set>
<tr height=20 valign=bottom>
<td>
- <s:a href="%{addknowledge}?knowledgeType=%{#knowledge}">
+ <s:a href="%{addknowledge}?action=addKnowledge&index=%{#knowledge}">
<img src="<s:url value="/skin/icon.add.png"/>" onMouseOver=this.src="<s:url value="/skin/icon.addhot.png"/>" onMouseOut=this.src="<s:url value="/skin/icon.add.png"/>" border="none" title="<s:text name="tooltip.addknowledge"/>" />
</s:a>
</td>