function getHttpObject() {
    var objType = false;
    try {
        objType = new ActiveXObject('Msxml2.XMLHTTP');
    } catch(e) {
        try {
            objType = new ActiveXObject('Microsoft.XMLHTTP');
        } catch(e) {
            objType = new XMLHttpRequest();
        }
    }
    return objType;
}

function getAJAX(url,elementContainer){
  //document.getElementById(elementContainer).innerHTML = 'Loading...';
  var theHttpRequest = getHttpObject();
  theHttpRequest.onreadystatechange = function() {processAJAX(elementContainer);};
  theHttpRequest.open("GET", url);
  theHttpRequest.send(false);

    function processAJAX(elementContainer){
       if (theHttpRequest.readyState == 4) {
         if (theHttpRequest.status == 200) {
           document.getElementById(elementContainer).innerHTML = theHttpRequest.responseText;
         } else {
           document.getElementById(elementContainer).innerHTML="<p>错误信息:&nbsp;" + theHttpRequest.statusText +"<\/p>";
         }
       }
    }
}
//文章点击，静态必须
function counterArticle(aid, callback){
	getAJAX("index.php?ajax-0-"+aid,callback);
}
//获取评论
function getcomment(id,num,len,callback)
{	
	getAJAX("index.php?ajax-6-"+id+"-"+num+"-"+len,callback);	
}

/**
*获取留言记录
*/
function getboard(id,num,len,txt,callback,pag)
{	
	getAJAX("index.php?ajax-7-"+id+"-"+num+"-"+len+"-"+txt+"-"+callback+"-"+pag,callback);	
}