var _pagecount = 8;

var msie = function () {
    var browser = navigator.appname
    var b_version = navigator.appversion
    var version = b_version.split(";");
    var trim_version = (version[1] + "").replace(/[ ]/g, "");
    var id = 9;
    if (browser == "microsoft internet explorer") {
        switch (trim_version) {
            case "msie9.0": id = 9; break;
            default:
                id = 10;
                break;
        }
    } else if (trim_version == "wow64") {
        id = 10;
    }
    return id;
}
var _msie = msie();

(function () {
    var d = new date('2011-06-02t09:34:29+02:00');
    if (!d || +d !== 1307000069000) {
        date.fromiso = function (s) {
            var day, tz,
            rx = /^(\d{4}\-\d\d\-\d\d([tt ][\d:\.]*)?)([zz]|([+\-])(\d\d):(\d\d))?$/,
            p = rx.exec(s) || [];
            if (p[1]) {
                day = p[1].split(/\d/);
                for (var i = 0, l = day.length; i < l; i++) {
                    day[i] = parseint(day[i], 10) || 0;
                };
                day[1] -= 1;
                day = new date(date.utc.apply(date, day));
                if (!day.getdate()) return nan;
                if (p[5]) {
                    tz = (parseint(p[5], 10) * 60);
                    if (p[6]) tz += parseint(p[6], 10);
                    if (p[4] == '+') tz *= -1;
                    if (tz) day.setutcminutes(day.getutcminutes() + tz);
                }
                return day;
            }
            return nan;
        }
    }
    else {
        date.fromiso = function (s) {
            var _s = new date(s).valueof();
            //console.log(_s, _msie)
            if (_msie == 9) {
                _s += (new date().gettimezoneoffset() * 60 * 1000);
            }
            return new date(_s);
            //return new date(s);
        }
    }
})();

date.prototype.adddate = function (dadd) {
    var a = this;
    a = a.valueof()
    a = a + (dadd * 24 * 60 * 60 * 1000)
    a = new date(a)
    return a;
}
function jsondate(_jsondate) { 
    var date; 
    if (_jsondate.indexof('t') > -1) {  
        date = date.fromiso(_jsondate); 
    } else { 
        date = new date(parseint(_jsondate.replace("/date(", "").replace(")/", ""), 10)); 
    } 
    return date;
}
function jsondateformat(_jsondate, format) {  
    try { 
        var date = jsondate(_jsondate);
        var month = date.getmonth() + 1 < 10 ? "0" + (date.getmonth() + 1) : date.getmonth() + 1;
        var day = date.getdate() < 10 ? "0" + date.getdate() : date.getdate();
        var hours = date.gethours();
        hours = hours < 10 ? "0" + hours : "" + hours;
        var minutes = date.getminutes();
        minutes = minutes < 10 ? "0" + minutes : "" + minutes;
        var seconds = date.getseconds();
        seconds = seconds < 10 ? "0" + seconds : "" + seconds;
        var milliseconds = date.getmilliseconds();
        milliseconds = milliseconds < 10 ? "0" + milliseconds : "" + milliseconds;

        format = format.replace("yyyy", date.getfullyear());
        format = format.replace("mm", month);
        format = format.replace("dd", day);
        format = format.replace("hh", hours);
        format = format.replace("mm", minutes);
        format = format.replace("ss", seconds);
        return format;
    } catch (ex) {
        return "";
    }
}

/* 
    {
        pages: "#pages",    //页码显示位置
        pre: "#pre",        //上一页
        next: "#next",      //下一页
        allcount: 12,       //总行数
        pagecount: 10,      //每页显示行数
        callback: function (pageid) {//数据调取方法
            loaddate(null, 0, pageid, false);
        }
    } 
*/
function loadpages(_data) {
    var pages = _data.pages,
        pre = _data.pre,
        next = _data.next,
        allcount = _data.allcount,
        pagecount = _data.pagecount,
        fun = _data.callback,
        loadbtn = _data.loadbtn,
        loadtext = _data.loadtext,
        loadingtext = _data.loadingtext;

    var pageid = 1;
    var groupid = 0;
    var allpage = math.ceil(allcount / pagecount);
    var allgroup = math.ceil(allpage / 10.0);

    if (loadbtn != undefined) {
        function getcnt(obj) { 
            var _cnt = allcount - pageid * pagecount;
            _cnt = _cnt < 0 ? 0 : _cnt;
            obj.html(loadtext.replace("count", _cnt)); 
        }
        getcnt($(loadbtn));
        $(loadbtn).unbind("click").click(function () {
            $(this).html(loadingtext);
            pageid++;
            callbackdata(pageid, false);
            getcnt($(this));
            if (pageid >= allpage) {
                $($(this).parent()).hide();
            }
        });
    }

    var arr = new array();
    if (allpage == 0 || allpage == 1) {
       if(pre!=undefined) $(pre).hide();
       if (next != undefined) $(next).hide();
       if (pages != undefined) $(pages).hide();
       if (loadbtn != undefined) $($(loadbtn).parent()).hide();
       if (pages!=undefined) $(pages).parent().parent().hide();
    } else {
        if (pre != undefined) $(pre).show();
        if (next != undefined) $(next).show();
        if (pages != undefined) $(pages).show();
        if (loadbtn != undefined) $($(loadbtn).parent()).show();
        if (pages != undefined) $(pages).parent().parent().show();
    }
    for (var i = 0; i <= allgroup; i++) {
        var h = "";
        for (var j = i * pagecount; j < i * pagecount + pagecount && j < allpage; j++) {
            h += "<a href='javascript:;' data=" + (j + 1) + ">" + (j + 1) + "</a>";
        }
        arr[i] = h;
    }
    if (pre != undefined) {
        $(pre).unbind("click").click(function () {
            if (pageid - 1 < 1) {
                //已经是第一页
                return;
            }
            pageid--;
            callbackdata(pageid, false);
        });
    }
    if (next != undefined) {
        $(next).unbind("click").click(function () {
            if (pageid + 1 > allpage) {
                //已经是最后一页
                return;
            }
            pageid++;
            callbackdata(pageid, false);
        });
    }
    function callbackdata(_pageid, t) {
        if (pages != undefined) {
            var _groupid = math.ceil(_pageid / pagecount) - 1;
            if (_groupid != groupid || t) {
                groupid = t ? 0 : _groupid;
                var g = arr[groupid];
                $(pages + " a").remove();
                $(pages).append(g);
                $(pages + " a").unbind("click").click(function () {
                    pageid = parseint($(this).attr("data"));
                    callbackdata(pageid, false);
                });
            }
            $(pages + " a").removeclass("current");
            $(pages + " a[data=" + pageid + "]").addclass("current");
        }
        /*加在数据  pageid*/
        if (!t) fun(pageid);
    }
    callbackdata(1, true);
}