var $ = function (id) {
	return "string" == typeof id ? document.getElementById(id) : id;
};

var Ajax = function(method, url, data)
{
    //if window.ActiveXObject then new ActiveXObject("Microsoft.XMLHTTP")
    var objXMLHttp = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();

    objXMLHttp.open(method, url, false);
    //if post data
    if(data != null)
    {
        objXMLHttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
    }
	//objXMLHttp.setrequestheader("contentType","text/html;charset=gb2312")
    objXMLHttp.send(data);

    if (objXMLHttp.readyState == 4)
    {
        switch(objXMLHttp.status)
        {
         case 200:
             return objXMLHttp.responseText;
         default:
             return objXMLHttp.status;
        }
    }//read completed
}

var getCom = function(newsID) {
	var com = Ajax("post", "./request.php", "act=discuss&newsID=" + newsID);
	$("comList").innerHTML = com;
}

var readTimes = function(newsID) {
	var rt = Ajax("post", "./request.php", "act=readTimes&newsID=" + newsID);
	$("readTimes").innerHTML = rt;
}