var scripts = document.getElementsByTagName('script'); 
var upanddownCurrentScript = scripts[scripts.length - 1].src;
function getQueryString(name, url) {
	if(url == undefined){
		url = window.location.search.substr(1);
	}else if(url.indexOf("?") != -1){
		url = url.substr(url.indexOf("?") + 1)
	}else{
		url = "";
	}
	var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); 
	var r = url.match(reg); 
	if (r != null){
		return unescape(r[2]);
	}
	return ""; 
}
$(document).ready(function(){
	var domain = window.location.protocol + "//" + window.location.host; // 脚本对应的被统计站点域名
	var url = domain + window.location.pathname;    // 当前页面url
	var interfaceURL = appUrl + '/openapi/info/upanddown.do';//上下篇接口
	var infoId = getQueryString("infoid", upanddownCurrentScript);
	var lan = getQueryString("lan", upanddownCurrentScript);
	var upInfoLan = "上一篇";
	var downInfoLan = "下一篇";
	if(lan == "en"){
		upInfoLan = "PREV";
		downInfoLan = "NEXT";
	}
	if(infoId * 1 > 0) {
		  $.ajax({
		      //提交数据的类型 POST GET
		      type:"POST",
		      //提交的网址
		      url:interfaceURL,
			  data: {'iid':infoId},
		      //返回数据的格式
		      dataType: "json",
		      //成功返回之后调用的函数             
		      success:function(data) {
		    	  var txt = "";
		    	  if(data) {//表开始
		    		  txt ="<table width=\"90%\" border=\"0\" align=\"center\" cellpadding=\"0\" "
		    				 +"cellspacing=\"0\" style=\" margin-bottom:10px; margin-top:10px;border-top:dashed 1px #eeeeee;\">";
		    		
		    		if(data.beforeinfo) {
			    	   //上一篇
		    			txt += "<tr><td height=\"40\" style=\"line-height:30px;\">" + upInfoLan + "：" 
			    			   + "<a href=\""+data.beforeinfo.url+"\" >"+data.beforeinfo.title+"</a></td>  </tr>";
		    		}
		    		  
		    		if(data.afterinfo) {
		    		   // 下一篇
		    			txt += "<tr><td height=\"40\" style=\"line-height:30px;\">" + downInfoLan + "：" 
			    			   + "<a href=\""+data.afterinfo.url+"\" >"+data.afterinfo.title+"</a></td>  </tr>";
		    		}
		    		// 表结尾
			    	txt += "</table>";
			    	//注意：做模板时需添加一个id=upanddown的div，用于输出上下篇的html
		            $("#upanddown").html(txt);
		    	  }
		      },
		      //调用出错执行的函数
		      error: function() {
		          //请求出错处理
		      	 //alert("请求未响应，请稍候再试");
		      }
		   });
	}
});