public String getTailedButtons() throws PureException {
    IAuth2Mgr authMgr = Auth2Helper.getManager();
    CitePaper citePaper = new CitePaper();
    boolean bHasRight = authMgr.hasRight(loginUser, citePaper, ArkActionTypes.BATCH_EDIT, false);

    if (bHasRight) {
      StringBuffer sbuff = new StringBuffer();
      sbuff.append("<BUTTON class=\"img_button\" onClick=\"if(count()<1)alert('请至少选择一项');");
      sbuff.append("else{");
      sbuff.append("mainForm.action='../citepaper/CitePaperBatchCitedList.do?");
      sbuff.append("';mainForm.submit();}\">");
      sbuff.append("<img src=\"../images/edit.gif\">批量关联</button>&nbsp;&nbsp;");
      return sbuff.toString();
    }
    return null;
  }