// 日本語UTF-8
// ajax object

function ajaxObject(url, callbackFunction){
  var that=this;
  this.updating = false;
  this.abort=function() {
    if (that.updating) {
      that.updating=false;
      that.AJAX.abort();
      that.AJAX=null;
    };
  };
  this.update=function(passData,postMethod) {
    if (that.updating){
      return false;
    }
    that.AJAX = null;
    if(window.XMLHttpRequest){
      that.AJAX=new XMLHttpRequest();
    }else{
      that.AJAX=new ActiveXObject("Microsoft.XMLHTTP");
    }
    if(that.AJAX==null){
      return false;
    }else{
      that.AJAX.onreadystatechange=function(){
        if (that.AJAX.readyState==4){
          that.updating=false;
          that.callback(that.AJAX.responseText,that.AJAX.status,that.AJAX.responseXML);
          that.AJAX=null;
        }
      };
      that.updating=new Date();
      if (/post/i.test(postMethod)){
        //var uri=urlCall+'?'+that.updating.getTime();
        var uri=urlCall;
        that.AJAX.open('POST',uri,true);
        that.AJAX.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
        that.AJAX.send(passData);
      }else{
        var uri=urlCall+'?'+passData+'&timestamp='+(that.updating.getTime());
        that.AJAX.open('GET',uri,true);
        that.AJAX.send(null);
      }
      return true;
    }
  };
  var urlCall=url;
  this.callback=callbackFunction || function(){};
}