Array.prototype.indexOf = function (searchElement, fromIndex) 
  {
      if ( this === undefined || this === null ) { throw new TypeError( '"this" is null or not defined' );  }

      var length = this.length >>> 0; // Hack to convert object.length to a UInt32

      fromIndex = +fromIndex || 0;

      if (Math.abs(fromIndex) === Infinity) { fromIndex = 0;  }

      if (fromIndex < 0) 
     {
         fromIndex += length;
        if (fromIndex < 0) 
        {
          fromIndex = 0;
        }
      }

      for (;fromIndex < length; fromIndex++)
      {
        if (this[fromIndex] === searchElement)
        {
          return fromIndex;
        }
       }

      return -1;
    };
    
    
var NextDate=[];
var globalDates=[];

function GetAllDate(syear,smonth)
{//获取当月的全部日期
 var result=[];
 jQuery.ajax({
    url:"../../../period/"+syear+smonth+"/period.js?_t="+Math.random(), 
    type:"GET",
    async:false,
    cache:false,
    dataType:"script",
    success:function(data)
    { 
     eval(data);
     result=datelist;
    },
    error:function(err){ result=[];}
 });
  return (result);
 }
  
function hasData(syear,smonth,sday,ppname)
{

 var result="";
 if(globalDates.length>0) 
 {
  result=globalDates.indexOf(syear+smonth+sday);
  return (result!=-1);
 }
 

  if(ppname&&""!=ppname) {
   resURL="../"+ppname+"/period/"+syear+smonth+"/period.js?_t="+Math.random(); //weixin
 }
 else
 {
   resURL="../../../period/"+syear+smonth+"/period.js?_t="+Math.random(); //PC,Mobile
 }

// alert(window.location);
 jQuery.ajax({
   url:resURL,
    type:"GET",
    async:false,
    cache:false,
    dataType:"script",
    success:function(data)
    { 
     eval(data);
     result=datelist.indexOf(syear+smonth+sday);
     globalDates=datelist;
    },
    error:function(err){ result=-1; }
 });
  return (result!=-1);

 }
 
 
 function getFirstPage(syear,smonth,sday,ppname)
{
 var result="",resURL="";
 if(ppname&&""!=ppname) {
   resURL="../"+ppname+"/period/firstpage.js?_t="+Math.random();
 }
 else
 {
   resURL="../../../period/firstpage.js";
 }
 
 jQuery.ajax({
   url:resURL, 
    type:"GET",
    async:false,
    cache:false,
    dataType:"script",
    success:function(data)
    { 
       eval(data);
       result= pagelist[syear+smonth+sday][0];
       
    },
    error:function(err){ result=-1; }
 });
return result;
 }
 
  function getFirstPage2(sRiqi)
{
 var result="";
 jQuery.ajax({
    url:"../../../period/firstpage.js?_t="+Math.random(), 
    type:"GET",
    async:false,
    cache:false,
    dataType:"script",
    success:function(data)
    { 
       eval(data);
       result= pagelist[sRiqi][0];
       
    },
    error:function(err){ result=-1; }
 });
return result;
 }
 
 
 
 
  //获得当前月最大天数
function maxDay(year,month){
return new Date(year, month,0).getDate();
}
 
 
function goNextPeriod(curYMD){ //下一期
//curYMD=20161231
  //    alert("curYMD="+curYMD);
   
   if ( datelist.indexOf(curYMD)===datelist.length-1)
   {
          if("12"==curYMD.substr(4,2))
          {
                 var  oldYear=curYMD.substr(0,4)*1;//年
                 var newYear=oldYear+1; //年+1
                 curYMD=(""+newYear)+"0133";  //开始新的一年
          }
   }
   
   
   var nextDate=GetAllDate(curYMD.substr(0,4),curYMD.substr(4,2));
    //alert("nextDate="+nextDate);
    var curindx=-1;
    var firstpage=getFirstPage2(curYMD);
    if('0133'==curYMD.substr(4,4))
    {
        nextdate=nextDate[0];
        window.location.href="../../../"+nextdate.substr(0,4)+"/"+nextdate+"/"+nextdate+"_"+firstpage+"/"+nextdate+"_"+firstpage+".html"; 
    }
    
    curindx=nextDate.indexOf(curYMD);
   var nextdate="";
   
   ++curindx;
   
   if(curindx<=nextDate.length-1)
   {   nextdate=nextDate[curindx];
       window.location.href="../../../"+nextdate.substr(0,4)+"/"+nextdate+"/"+nextdate+"_"+firstpage+"/"+nextdate+"_"+firstpage+".html"; 
   }
   else
   {
     var currentURL=window.location.href;
    // alert(currentURL);//http://localhost:916/web/zgjcb/DATA/2016/20160301/20160301_001/20160301_001.html#
     var lpos=currentURL.lastIndexOf("/")+1;
     var dotpos=currentURL.lastIndexOf("_");
     var _YMD=currentURL.substr(lpos,dotpos-lpos);
     var _Y=_YMD.substr(0,4);
     var _M=_YMD.substr(4,2);
     var _D=_YMD.substr(6,2);

     var curDate=new Date(_Y,(_M*1)-1,_D*1+1); //modified by yang  at 2016.5.27 
    
    
     if(_D*1==maxDay(_Y,_M))
     { //得到后一个日期
        var sm=curDate.getMonth()+1;
        if(sm.toString().length==1) sm="0"+sm;
        goPrevPeriod(_Y+sm+"01",true);
        return ;
     }
     else
     { //当从4月29，到 5月 3日，这个跳跃间距太大
         var sm=(curDate.getMonth()+1)+1;
         if(sm.toString().length==1) sm="0"+sm;
         var nextDate=GetAllDate(_Y,sm);
         
         if(nextDate.length>0)
         {
              goPrevPeriod(nextDate[0],true);
         }
         else alert('没有下一期了！');
        return ;
     }
     
  
   
     alert('没有下一期了！');
     
   }
}

function goPrevPeriod(curYMD,bz){ //上一期

   if ( datelist.indexOf(curYMD)===0)
   {
          if("01"==curYMD.substr(4,2))
          {
                 var  curYear=curYMD.substr(0,4)*1;//年
                 var prevYear=curYear-1; //年-1
                 curYMD=(""+prevYear)+"1232";  //前一年
          }
   }

  var firstpage=getFirstPage2(curYMD);
   var nextDate=GetAllDate(curYMD.substr(0,4),curYMD.substr(4,2));
  var curindx=-1;
   if("1232"==curYMD.substr(4,4))
   {
         nextdate=nextDate[nextDate.length-1];
        window.location.href="../../../"+nextdate.substr(0,4)+"/"+nextdate+"/"+nextdate+"_"+firstpage+"/"+nextdate+"_"+firstpage+".html"; 
   }
  
     curindx=nextDate.indexOf(curYMD);
   
   var nextdate="";
   
   if(!bz) --curindx;
   
   if(curindx>=0)
   {   nextdate=nextDate[curindx];
       window.location.href="../../../"+nextdate.substr(0,4)+"/"+nextdate+"/"+nextdate+"_"+firstpage+"/"+nextdate+"_"+firstpage+".html"; 
   }
   else
   {
     var currentURL=window.location.href;
    // alert(currentURL);//http://localhost:916/web/zgjcb/DATA/2016/20160301/20160301_001/20160301_001.html#

     var lpos=currentURL.lastIndexOf("/")+1;
     var dotpos=currentURL.lastIndexOf("_");
     var _YMD=currentURL.substr(lpos,dotpos-lpos);
     var _Y=_YMD.substr(0,4);
     var _M=_YMD.substr(4,2);
     var _D=_YMD.substr(6,2);
     var curDate=new Date(_Y,_M-1,_D-1);
     
     var curPubDate=new Date(_Y,Math.floor(_M)-1,_D-1);
     var oldPubDate=new Date("2016","0","31");//2016.2.1 之前的数据为旧版电子数据
     
     if(curPubDate<=oldPubDate)
     { //alert('为旧版数据');
       var oldYear=curPubDate.getFullYear();
       var oldMonth=curPubDate.getMonth()+1;
       if(oldMonth.toString().length==1) oldMonth="0"+oldMonth;
       var oldDay=curPubDate.getDate();
       var url="http://newspaper.jcrb.com/html/"+oldYear+"-"+oldMonth+"/"+oldDay+"/node_2.htm";
        window.open(url,"_blank");
        return ;
     }
     
     
     
     var nextCurDate=GetAllDate(_Y,_M);
     
     if(nextCurDate.length>0 && nextCurDate[0]==_YMD)
     {
        var sm=curDate.getMonth()+1;
        
        var sd=curDate.getDate();
        
        if(sm==_M) sm=sm*1-1;
        
        if(sm.toString().length==1) sm="0"+sm;
        if(sd.toString().length==1) sd="0"+sd;
        //alert(_Y+sm+sd+' '+_YMD);
        var nextDate=GetAllDate(_Y,sm);
         if(nextDate.length>0)
         {
              goPrevPeriod(nextDate[nextDate.length-1],true);
         }
        return ;
   }
   else  alert('没有上一期了！');
        
    // alert('没有上一期了！');
    }
}


$(function () {
    var yearContent = '';
    var yearData = new Date().getFullYear();
    var selectVal = $('#mYear').val()
    for (var i=2016; i<=yearData; i++) {
        yearContent += '<option value="' + i + '">' + i + '</option>'
    }
    $('#mYear').html(yearContent)
    $('#mYear').val(selectVal)
    $('.jumpmenu').css({
        'padding': '0 10px'
    })
})