//設定標誌變數SubmitFlag值
  session.putValue("SubmitFlag","complaint_add.jsp");

 public String addxxx(){
		String PageFlag="";
		HttpSession session;
		session = getSession(true);
		PageFlag=(String) session.getValue("SubmitFlag");
		if (PageFlag.equalsIgnoreCase("Over")){
			//repeatSubmit
			return "XXX";
		}
	  session.putValue("SubmitFlag","Over");
	  .......
  }
 

  var submitFlag = false;//防重複提交標誌
  //表單提交函式
  publishA=function(){
	  submitFlag = true;
	  .......
	  document.addform.submit();
  }