text: var waitimg = "/statics/images/wait.gif";
  
  function AjaxUtil(){}
  
  AjaxUtil.prototype = {};
  //上下文路径
  AjaxUtil.contextPath = "";
  
  /**
   * Ajax[POST] 异步数据请求
   * @author suihonghua
   * @param url	[String] 请求url
   * @param param	[Object] 参数
   * @param successFunction [Function] 成功回调函数
   */
  AjaxUtil.post = function(url,param,successFunction){
      AjaxUtil.ajax("POST", url, param, successFunction);
  };
  
  /**
   * Ajax[GET] 异步数据请求
   * @author suihonghua
   * @param url	[String] 请求url
   * @param param	[Object] 参数
   * @param successFunction [Function] 成功回调函数
   */
  AjaxUtil.get = function(url,param,successFunction){
      AjaxUtil.ajax("GET", url, param, successFunction);
  };
  
  /**
   * Ajax 异步数据请求
   * @author suihonghua
   * @param type	[String] e.g.:"POST" or "GET"
   * @param url	[String] 请求url
   * @param param	[Object] 参数
   * @param successFunction [Function] 成功回调函数
   */
  AjaxUtil.ajax = function(type,url,param,successFunction){
      if(param == null){
          param = {};
      }
      jQuery.ajax({
          type: type,
          url: AjaxUtil.contextPath + url,
          data: param,
          cache: false,
          contentType: "application/x-www-form-urlencoded; charset=utf-8",
          beforeSend: function(jqXHR, settings){
              $.blockUI({ message:"<span class='pl20 icon-loading'>正在处理,请稍后...</span>"});
          },
          success: successFunction,
          error: function(jqXHR, textStatus, errorThrown){
              if(jqXHR.status > 0){
                  alert("Error:status["+jqXHR.status+"],statusText["+ jqXHR.statusText +"]");
              }
          },
          complete: function(jqXHR, textStatus){
              $.unblockUI();
          }
      });
  };