//使用Ajax完成文章点击数统计
var req;
function updateArticleClickedCount(contextPath,articleId){
	var URL = contextPath+"/article/mod?id="+articleId;
	if(window.XMLHttpRequest){
		req = new XMLHttpRequest(); 
	}else if(window.ActiveXObject){
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if(req){
		req.open("POST", URL, true);
		req.onreadystatechange = callback;
		req.send(null);
	}else{
	  
	}
}

function callback(){
	if(req.readyState == 4){
		if(req.status == 200){
			var respInfo = req.responseText;
			//window.alert(respInfo);
		}else{
			//alert("no response");
		}
	}
	else{
	      //alert("no response");
	}
	
}