jsf中怎的动态改变include的src地址

jsf中怎样动态改变include的src地址
我想根据一个bean里的url，动态改变include中的src，试了几次都不行。
java 代码?

1. <body?style="margin:0;"?bgcolor="#f4f4ea">??
2. ??
3. <f:view>??
4. <h:form?id="form">??
5. ????????<div?>??
6. ????????<e:include?id="moduleTree"?src="system/module_tree.jsp"/>??
7. ??????</div>??
8. ??????
9. ??????
10. ??????<div?>??
11. ????????<e:include?id="mainPane"?src="#{controlBean.mainPanePath}"/>??
12. ??????</div>??
13. ?????
14. </h:form>??
15. </f:view>??

1. public?class?ControlBean?{??
2. ????private?String?mainPanePath="org_manager/context.jsp";??
3. ??
4. ????/**?
5. ?????*?@return?the?mainPanePath?
6. ?????*/??
7. ????public?String?getMainPanePath()?{??
8. ????????return?mainPanePath;??
9. ????}??
10. ??
11. ????/**?
12. ?????*?@param?mainPanePath?the?mainPanePath?to?set?
13. ?????*/??
14. ????ghter">?
    1. <e:tree?id="tree-basic"?model="#{moduleTreeModelBean.treeModel}"???
    2. ????????????rootExpanded="false"??
    3. ????????????onselection="#{controlBean.setPath}"??
    4. ????????????cellStyle="normalTreeCell"??
    5. ????????????hoverStyle="blueTreeCell"??
    6. ????????????selectedStyle="whiteTreeCell"?preloadDepth="1">??
    7. ??
    8. ???????
    9. ????????<e:treecell?value="#{NODE.name}"??
    10. ????????????????????styleClass="treeCellBold"??
    11. ????????????????????icon="#{NODE.leaf?'/images/draft.jpg':'/images/trash.jpg'}"/>??
    12. ??????????
    13. ????</e:tree>??
    树上点击链接，改变另一个include的url 1 楼 fourfire 2007-05-16   后台都看到加载页面了，但是网页上没有变化 2 楼 fourfire 2007-05-17   是个ecruiser的问题，需要把tree标记的ajax=false