var NewInfoID = ""; //本条新闻ID

var StrNextInfoUrl = "";  //下一条新闻连接地址

var StrNextInfoTitle = ""; //下一条新闻标题

var StrPreInfoUrl = "";  //上一条新闻连接地址

var StrPreInfoTitle = ""; //上一条新闻标题


var StrCurrentNext = ""; //本条新闻下一页

var StrCurrentPre = ""; //本条新闻上一页

//js输入下一页链接地址
function writeNextHref(){
   if(StrNextInfoUrl != ""){
	  document.write("<a title=\""+StrNextInfoTitle+"\" href=\""+StrNextInfoUrl+"\">");
   }else{
	  document.write("<a href=\"#\">");
   }
}

//给图片加提示信息
function writeNextImageAlt(){
   if(StrNextInfoTitle != ""){
	  document.write("<img alt=\"下一篇:"+StrNextInfoTitle+"\" ");
   }else{
	  document.write("<img ");
   }
}

//js输入上一页链接地址
function writePreHref(){
   if(StrPreInfoUrl != ""){
	  document.write("<a title=\""+StrPreInfoTitle+"\" href=\""+StrPreInfoUrl+"\">");
   }else{
	  document.write("<a href=\"#\">");
   }
}

//键盘事件
function keyEvent(event) {
	event = event ? event : (window.event ? window.event : null); 

	if (event.keyCode==37){
		if(StrCurrentPre != ""){
		  location=StrCurrentPre
		}else if(StrPreInfoUrl!=""){
		  location=StrPreInfoUrl
		}
	}

	if (event.keyCode==39){
		if(StrCurrentNext != ""){
		  location=StrCurrentNext
		}else if(StrNextInfoUrl!=""){
		  location=StrNextInfoUrl
		}
	}
}

document.onkeydown = keyEvent;

//用户hit

function UserHitNews(){
	if(NewInfoID=="") return;
	var xmlhttp =loadAjax();
	xmlhttp.onreadystatechange=function(){
		if(xmlhttp.readyState==4 && xmlhttp.status==200){
				var returnStr=xmlhttp.responseText;
				if(returnStr == "error"){
					 alert("推荐失败,请您重试!");
				}else{
					  $("NewsHitNums").innerHTML = returnStr;
					  $("NewHitInfo").innerHTML = "<span class=\"news_red14b\">感谢参加</span>";
				}
			}
	};
    xmlhttp.open("get","/inc/newsInclude/newsJS.aspx?type=4&infoID="+NewInfoID,true);
	xmlhttp.send(null); 
}


function ShowUserHitNews(){
	if(NewInfoID=="") return;
	if(getCookie("news"+NewInfoID) != null && getCookie("news"+NewInfoID) != ""){
		$("NewHitInfo").innerHTML = "<span class=\"news_red14b\">感谢参加</span>";
	}
	var xmlhttp =loadAjax();
	xmlhttp.onreadystatechange=function(){;
		if(xmlhttp.readyState==4 && xmlhttp.status==200){
				var returnStr=xmlhttp.responseText;
				if(returnStr == "error"){
					 alert("推荐失败,请您重试!");
				}else{
					  $("NewsHitNums").innerHTML = returnStr;
				}
			}
	};
	xmlhttp.open("get","/inc/newsInclude/newsJS.aspx?type=5&infoID="+NewInfoID,true);
	xmlhttp.send(null); 
}


loadAjax = function(){
	var xmlhttp=null;

try{
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}catch (e){
try{
  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}catch (oc){
  xmlhttp = null;
}
}
if (!xmlhttp && typeof XMLHttpRequest != "undefined"){
try{
  xmlhttp =  new XMLHttpRequest();
}catch (fa){
  alert("抱歉，您的浏览器不支持这个功能，请选择IE 6.0或FireFox浏览器。")
  xmlhttp = null;
}
}
	return xmlhttp;
}

function $(id)
{
	var objForm =  document.getElementById( id );
	return objForm;
}


//读取 cookie
function getCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
        if(arr=document.cookie.match(reg)) return unescape(arr[2]);
        else return null;
}