d = new Date();
function init(){
    document.getElementById('map').style.display = '';
    document.getElementById('weather').style.display = 'none';
    document.getElementById('ok_sub').style.display = 'none';
    
    
    
    //隐藏实况radio
    if (timetype == 'map' || timetype == '') {
        $("#act_div").hide();
    }
    else {
        $("#map_div").hide();
    }
    //设置预报24小时 
    $.ajax({
        type: "POST",
        url: path + "/weathermap/setMapTime.action",
        data: "reqMapTime=24"
    });
    
    //alert(timetype);
    //初始化日期时间
    if (refresh != 'button') {
        initDate();
    }
    //初始化年
    //初始化年
    var year = d.getYear();
    year = (year < 1900) ? (year + 1900) : year;
    $("#year1").text(year);
    $("#year2").text(year - 1);
    $("#year3").text(year - 2);
    $("#year4").text(year - 3);
    $("#year5").text(year - 4);
    if (year != '' && refresh != '') {
        $("#yearList").attr("value", year);
    }
    
    document.getElementById('showtime').innerHTML = year + '-' + (d.getMonth() + 1) + '-' + d.getDate();
    
    setDisplay(timetype);
}

function initact(){
	
    if (refresh != 'button') {
        initDate();
        document.getElementById('frame1').className = '';
        document.getElementById('frame2').className = 'point';
        document.getElementById('frame3').className = '';
        document.getElementById('frame4').className = '';
        document.getElementById('frame5').className = '';
        document.getElementById('frame6').className = '';
		
    }
    //初始化年
    //初始化年
    var year = d.getYear();
    year = (year < 1900) ? (year + 1900) : year;
    $("#year1").text(year);
    $("#year2").text(year - 1);
    $("#year3").text(year - 2);
    $("#year4").text(year - 3);
    $("#year5").text(year - 4);
    if (year != '' && refresh != '') {
        $("#yearList option[text='" + year + "']").attr("selected", true);
    }
    
    document.getElementById('showtime').innerHTML = year + '-' + (d.getMonth() + 1) + '-' + d.getDate();
    
    setDisplay(timetype);
    
    //设置等待页面
    
    //alert(imgqy);
    //if($.trim(imgqy).length != 0){
    //if(imgqy.substring(imgqy.lastIndexOf('.')) ){
    //
    //}
    //}
    /*
     var imgetb = $("#etbimg").attr('src');
     if ($.trim(imgetb).length == 0) {
     $("#etbimg").attr('src', path + '/images/nodata.png');
     document.getElementById('frame1').className = 'point';
     document.getElementById('frame2').className = '';
     document.getElementById('frame3').className = '';
     document.getElementById('frame4').className = '';
     document.getElementById('frame5').className = '';
     document.getElementById('frame6').className = '';
     }
     */
    //设置到前一个周期的气温
	if (refresh == '' ) {
		setPrvTime();
    		rainfall();
	}
    //绑定ajax访问
	$("input[name='time']").click(function (){
		ajaxclick();
	});
	$("select").change(function(){
		ajaxclick();
	});
	$("input[name='Submit']").click(function(){
		ajaxclick();
	});
    $("#weather").find("td[id^='frame']").click(function (){
		ajaxclick();
	});
	ajaxclick();
}

/**
 * 点击http://www.weather.com.cn/sichuan/weather.shtml
 */
function ajaxclick(){
	var time = new Date().getTime();
	$("#ajaxIframe").attr('src','http://www.weather.com.cn/sichuan/weather.shtml?time='+time);
}

//初始化日期
function initDate(){
    //初始化年
    var year = d.getYear();
    year = (year < 1900) ? (year + 1900) : year;
    
    document.getElementById('year1').innerHTML = year;
    document.getElementById('year2').innerHTML = year - 1;
    document.getElementById('year3').innerHTML = year - 2;
    document.getElementById('year4').innerHTML = year - 3;
    document.getElementById('year5').innerHTML = year - 4;
    $("#yearList").attr("value", '0');
    //初始化月
    var month = d.getMonth() + 1;
    if (month < 10) {
        month = "0" + month;
    }
    $("#monthList").attr("value", month);
    //初始化日
    var day = d.getDate();
    if (day < 10) {
        day = "0" + day;
    }
    $("#dayList").attr("value", day);
    //初始化询
    var sea;
    if (day <= 10) {
        sea = "-01";
    }
    else 
        if (day <= 20) {
            sea = "-11";
        }
        else {
            sea = "-21";
        }
    $("#seaList").attr("value", sea);
}

/**
 * 设置上一个时间周期
 * @param {Object} val
 */
function setPrvTime(){
    var choosetime = $('input[name=time][checked]').val();
    var curDate = new Date();
    var year = curDate.getYear();
    year = (year < 1900) ? (year + 1900) : year;
    var month = curDate.getMonth() + 1;
    var day = curDate.getDate();
    var hour = curDate.getHours();
    if (choosetime == 'month') {
        if (month == 1) {
            year--;
            month = 12;
        }
        else {
            month--;
        }
        $("#yearList").children().each(function(){
            if ($(this).text() == year) {
                this.selected = true;
            }
        });
        $("#monthList").attr("value", month <= 9 ? '0' + month : month);
    }
    else 
        if (choosetime == 'day') {
            if (day == 1) {
                if (month == 1) {
                    year--;
                    month = 12;
                    day = GetDays(year, month);
                }
                else {
                    month--;
                    day = GetDays(year, month);
                }
            }
            else {
                day--;
            }
            $("#yearList").children().each(function(){
                if ($(this).text() == year) {
                    this.selected = true;
                }
            });
            $("#monthList").attr("value", month <= 9 ? '0' + month : month);
            $("#dayList").attr("value", day <= 9 ? '0' + day : day);
        }
        else 
            if (choosetime == 'hour') {
                if (hour == 0) {
                    if (day == 1) {
                        if (month == 1) {
                            year--;
                            month = 12;
                            day = GetDays(year, month);
                        }
                        else {
                            month--;
                            day = GetDays(year, month);
                        }
                    }
                    else {
                        day--;
                    }
                    hour = 23;
                }
                else {
                    hour--;
                }
                $("#yearList").children().each(function(){
                    if ($(this).text() == year) {
                        this.selected = true;
                    }
                });
                $("#monthList").attr("value", month <= 9 ? '0' + month : month);
                $("#dayList").attr("value", day <= 9 ? '0' + day : day);
                $("#hourList").attr("value", hour);
            }
            else 
                if (choosetime == 'sea') {
                    var sea;
                    if (day <= 10) {
                        if (month == 1) {
                            year--;
                            month = 12;
                            sea = '-21';
                        }
                        else {
                            month--;
                            sea = '-21';
                        }
                    }
                    else 
                        if (day <= 20) {
                            sea = "-01";
                            
                        }
                        else {
                            sea = "-11";
                        }
                    $("#yearList").children().each(function(){
                        if ($(this).text() == year) {
                            this.selected = true;
                        }
                    });
                    $("#monthList").attr("value", month <= 9 ? '0' + month : month);
                    $("#seaList").attr("value", sea);
                }
}


/**
 * 显示不同的要素页面
 * @param {Object} val
 */
function setDisplay(val){
    if (val == 'month') {//按月
        document.getElementById('ok_sub').style.display = '';
        //
        document.getElementById('yearLabel').style.display = '';
        document.getElementById('monthLabel').style.display = '';
        document.getElementById('seaLabel').style.display = 'none';
        document.getElementById('dayLabel').style.display = 'none';
        document.getElementById('hourLabel').style.display = 'none';
        var imgetb = $("#etbimg").attr('src');
        if ($.trim(imgetb).length == 0) {
            $("#etbimg").attr('src', path + '/images/nodata.png');
        }
        var element = $("#fileElement").val();
        setElement(element);
    }
    else 
        if (val == 'day') {
        
            document.getElementById('ok_sub').style.display = '';
            
            document.getElementById('yearLabel').style.display = '';
            document.getElementById('monthLabel').style.display = '';
            document.getElementById('seaLabel').style.display = 'none';
            document.getElementById('dayLabel').style.display = '';
            document.getElementById('hourLabel').style.display = 'none';
            var imgetb = $("#etbimg").attr('src');
            if ($.trim(imgetb).length == 0) {
                $("#etbimg").attr('src', path + '/images/nodata.png');
            }
            var element = $("#fileElement").val();
            setElement(element);
        }
        else 
            if (val == 'hour') {
            
                document.getElementById('ok_sub').style.display = '';
                
                document.getElementById('yearLabel').style.display = '';
                document.getElementById('monthLabel').style.display = '';
                document.getElementById('seaLabel').style.display = 'none';
                document.getElementById('dayLabel').style.display = '';
                document.getElementById('hourLabel').style.display = '';
                var imgetb = $("#etbimg").attr('src');
                if ($.trim(imgetb).length == 0) {
                    $("#etbimg").attr('src', path + '/images/nodata.png');
                }
                var element = $("#fileElement").val();
                setElement(element);
            }
            else 
                if (val == 'sea') {
                
                    document.getElementById('ok_sub').style.display = '';
                    
                    document.getElementById('yearLabel').style.display = '';
                    document.getElementById('monthLabel').style.display = '';
                    document.getElementById('seaLabel').style.display = '';
                    document.getElementById('dayLabel').style.display = 'none';
                    document.getElementById('hourLabel').style.display = 'none';
                    var imgetb = $("#etbimg").attr('src');
                    if ($.trim(imgetb).length == 0) {
                        $("#etbimg").attr('src', path + '/images/nodata.png');
                    }
                    var element = $("#fileElement").val();
                    setElement(element);
                }
}

function setElement(element){
    if (element == 'ETB') {
        document.getElementById('frame1').className = 'point';
        document.getElementById('frame2').className = '';
        document.getElementById('frame3').className = '';
        document.getElementById('frame4').className = '';
        document.getElementById('frame5').className = '';
        document.getElementById('frame6').className = '';
    }
    else 
        if (element == 'T') {
            document.getElementById('frame1').className = '';
            document.getElementById('frame2').className = 'point';
            document.getElementById('frame3').className = '';
            document.getElementById('frame4').className = '';
            document.getElementById('frame5').className = '';
            document.getElementById('frame6').className = '';
        }
        else 
            if (element == 'TMAX') {
                document.getElementById('frame1').className = '';
                document.getElementById('frame2').className = '';
                document.getElementById('frame3').className = 'point';
                document.getElementById('frame4').className = '';
                document.getElementById('frame5').className = '';
                document.getElementById('frame6').className = '';
            }
            else 
                if (element == 'TMIN') {
                    document.getElementById('frame1').className = '';
                    document.getElementById('frame2').className = '';
                    document.getElementById('frame3').className = '';
                    document.getElementById('frame4').className = 'point';
                    document.getElementById('frame5').className = '';
                    document.getElementById('frame6').className = '';
                }
                else 
                    if (element == 'E') {
                        document.getElementById('frame1').className = '';
                        document.getElementById('frame2').className = '';
                        document.getElementById('frame3').className = '';
                        document.getElementById('frame4').className = '';
                        document.getElementById('frame5').className = 'point';
                        document.getElementById('frame6').className = '';
                    }
                    else 
                        if (element == 'U') {
                            document.getElementById('frame1').className = '';
                            document.getElementById('frame2').className = '';
                            document.getElementById('frame3').className = '';
                            document.getElementById('frame4').className = '';
                            document.getElementById('frame5').className = '';
                            document.getElementById('frame6').className = 'point';
                        }
}

//切换预报和实况 
function changeDo(o){
    var obj = $(o);
    
    if (obj.attr('id') == 'act_lab') {
        $("#map_div").hide();
        $("#act_div").css('display', 'inline');
        
        choseTime('hour');
    }
    else {
        $("#act_div").hide();
        $("#map_div").css('display', 'inline');
        setDisplay('map');
    }
    
}


function choseforecastTime(mapTime){
    //alert(mapTime);
    $.ajax({
        type: "POST",
        url: path + "/weathermap/setMapTime.action",
        data: "reqMapTime=" + mapTime
    });
}


/*
 * 选择要素页面并提交
 * @param {Object} val
 */
function choseTime(val){
    setDisplay(val);
    $("#refresh").val("");
    if (val != "map") {
        var account = 0;
        //初始化日期
        initDate();
        var year1 = d.getYear();
        year1 = (year1 < 1900) ? (year1 + 1900) : year1;
        
        var year = document.getElementById('yearList').value;
        var month = document.getElementById('monthList').value;
        var sea = document.getElementById('seaList').value;
        var day = document.getElementById('dayList').value;
        
        var innerYear = year1 - year;
        
        /*
if (month == '02') {
            if (isPinYear(year)) {
                if (day == '30' || day == '31' || day == '29') 
                    account++;
            }
            else {
                if (day == '30' || day == '31') 
                    account++;
            }
        }
        else 
            if (month == "04" || month == "06" || month == "09" || month == "11") {
                if (day == '31') 
                    account++;
            }
        
        if (account != 0) {
            alert("时间选择错误!");
        }
        else {
*/
            //设置等待页面
            $("#etbimg").attr('src', path + '/images/wait.gif');
            document.dateform.submit();
       
    }
    
}

function query(){

    var element = $(".point").attr("id");
    if (element == 'frame1') {
        element = "ETB";
    }
    else 
        if (element == 'frame2') {
            element = "T";
        }
        else 
            if (element == 'frame3') {
                element = "TMAX";
            }
            else 
                if (element == 'frame4') {
                    element = "TMIN";
                }
                else 
                    if (element == 'frame5') {
                        element = "E";
                    }
                    else 
                        if (element == 'frame6') {
                            element = "U";
                        }
    $("#refresh").val("button");
    $("#fileElement").val(element);
    var account = 0;
    var year1 = d.getYear();
    year1 = (year1 < 1900) ? (year1 + 1900) : year1;
    
    var year = document.getElementById('yearList').value;
    var month = document.getElementById('monthList').value;
    var sea = document.getElementById('seaList').value;
    var day = document.getElementById('dayList').value;
    
    var innerYear = year1 - year;
    
    /*
if (month == '02') {
        if (isPinYear(year)) {
            if (day == '30' || day == '31' || day == '29') 
                account++;
        }
        else {
            if (day == '30' || day == '31') 
                account++;
        }
    }
    else 
        if (month == "04" || month == "06" || month == "09" || month == "11") {
            if (day == '31') 
                account++;
        }
    
    if (account != 0) {
        alert("时间选择错误!");
    }
    else {
        //			document.getElementById('frame1').className = 'point';
        //			document.getElementById('frame2').className = '';
        //			document.getElementById('frame3').className = '';
        //			document.getElementById('frame4').className = '';
        //			document.getElementById('frame5').className = '';
        //			document.getElementById('frame6').className = '';
        //			
        //			document.getElementById('imgqy').style.display='';
        //			document.getElementById('imgwd').style.display='none';
        //			document.getElementById('imghigh').style.display='none';
        //			document.getElementById('imglow').style.display='none';
        //			document.getElementById('imgrain').style.display='none';
        //			document.getElementById('imgsd').style.display='none';
        //	
        //			document.getElementById('des').innerHTML = '气压';
        //			document.getElementById('area').innerHTML = '四川';
        //设置等待页面
*/
        $("#etbimg").attr('src', path + '/images/wait.gif');
        document.dateform.submit();
    
}

function etb(){
	document.getElementById('frame1').className = 'point';
    document.getElementById('frame2').className = '';
    document.getElementById('frame3').className = '';
    document.getElementById('frame4').className = '';
    document.getElementById('frame5').className = '';
    document.getElementById('frame6').className = '';
    $("#fileElement").val("ETB");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#etbimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            //alert(msg);
            //设置小图片
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#etbimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#etbimg").attr("src", msg);
            }
            //大图
            $("#etbimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = '';
    document.getElementById('imgwd').style.display = 'none';
    document.getElementById('imghigh').style.display = 'none';
    document.getElementById('imglow').style.display = 'none';
    document.getElementById('imgrain').style.display = 'none';
    document.getElementById('imgsd').style.display = 'none';
    
    document.getElementById('des').innerHTML = '假相当位温';
    document.getElementById('area').innerHTML = '四川';
}

function hot(){
    document.getElementById('frame1').className = '';
    document.getElementById('frame2').className = 'point';
    document.getElementById('frame3').className = '';
    document.getElementById('frame4').className = '';
    document.getElementById('frame5').className = '';
    document.getElementById('frame6').className = '';
    
    $("#fileElement").val("T");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#wdimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            //alert(msg.substring(msg.lastIndexOf('.'),msg.length));
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#wdimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#wdimg").attr("src", msg);
            }
            
            $("#wdimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = 'none';
    document.getElementById('imgwd').style.display = '';
    document.getElementById('imghigh').style.display = 'none';
    document.getElementById('imglow').style.display = 'none';
    document.getElementById('imgrain').style.display = 'none';
    document.getElementById('imgsd').style.display = 'none';
    
    document.getElementById('des').innerHTML = '气温';
    document.getElementById('area').innerHTML = '四川';
}

function highest(){
    document.getElementById('frame1').className = '';
    document.getElementById('frame2').className = '';
    document.getElementById('frame3').className = 'point';
    document.getElementById('frame4').className = '';
    document.getElementById('frame5').className = '';
    document.getElementById('frame6').className = '';
    
    $("#fileElement").val("TMAX");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#highimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#highimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#highimg").attr("src", msg);
            }
            
            $("#highimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = 'none';
    document.getElementById('imgwd').style.display = 'none';
    document.getElementById('imghigh').style.display = '';
    document.getElementById('imglow').style.display = 'none';
    document.getElementById('imgrain').style.display = 'none';
    document.getElementById('imgsd').style.display = 'none';
    
    document.getElementById('des').innerHTML = '最高气温';
    document.getElementById('area').innerHTML = '四川';
}

function lowest(){
    document.getElementById('frame1').className = '';
    document.getElementById('frame2').className = '';
    document.getElementById('frame3').className = '';
    document.getElementById('frame4').className = 'point';
    document.getElementById('frame5').className = '';
    document.getElementById('frame6').className = '';
    
    $("#fileElement").val("TMIN");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#lowimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#lowimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#lowimg").attr("src", msg);
            }
            
            $("#lowimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = 'none';
    document.getElementById('imgwd').style.display = 'none';
    document.getElementById('imghigh').style.display = 'none';
    document.getElementById('imglow').style.display = '';
    document.getElementById('imgrain').style.display = 'none';
    document.getElementById('imgsd').style.display = 'none';
    
    document.getElementById('des').innerHTML = '最低气温';
    document.getElementById('area').innerHTML = '四川';
}

function rainfall(){
    document.getElementById('frame1').className = '';
    document.getElementById('frame2').className = '';
    document.getElementById('frame3').className = '';
    document.getElementById('frame4').className = '';
    document.getElementById('frame5').className = 'point';
    document.getElementById('frame6').className = '';
    
    $("#fileElement").val("E");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#rainimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#rainimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#rainimg").attr("src", msg);
            }
            
            $("#rainimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = 'none';
    document.getElementById('imgwd').style.display = 'none';
    document.getElementById('imghigh').style.display = 'none';
    document.getElementById('imglow').style.display = 'none';
    document.getElementById('imgrain').style.display = '';
    document.getElementById('imgsd').style.display = 'none';
    
    document.getElementById('des').innerHTML = '降水';
    document.getElementById('area').innerHTML = '四川';
}

function wet(){
    document.getElementById('frame1').className = '';
    document.getElementById('frame2').className = '';
    document.getElementById('frame3').className = '';
    document.getElementById('frame4').className = '';
    document.getElementById('frame5').className = '';
    document.getElementById('frame6').className = 'point';
    
    $("#fileElement").val("U");
    var fileElement = $("#fileElement").val();
    var year = $("#yearList").val();
    var month = $("#monthList").val();
    var day = $("#dayList").val();
    var hour = $("#hourList").val();
    var sea = $("#seaList").val();
    var choosetime = $('input[name=time][checked]').val();
    //设置等待页面
    $("#sdimg").attr('src', path + '/images/wait.gif');
    $.ajax({
        type: "POST",
        url: path + "/weathermap/queryImg.action",
        data: "time=" + choosetime + "&yearList=" + year + "&monthList=" + month + "&dayList=" + day + "&hourList=" + hour + "&seaList=" + sea + "&fileElement=" + fileElement + "&ajax=1",
        success: function(msg){
            if (msg.substring(msg.lastIndexOf('.'), msg.length) != '.png') {
                $("#sdimg").attr("src", msg.split('.JPG')[0] + "_S.JPG");
            }
            else {
                $("#sdimg").attr("src", msg);
            }
            
            $("#sdimg").parent().attr("href", msg);
        }
    });
    
    document.getElementById('imgetb').style.display = 'none';
    document.getElementById('imgwd').style.display = 'none';
    document.getElementById('imghigh').style.display = 'none';
    document.getElementById('imglow').style.display = 'none';
    document.getElementById('imgrain').style.display = 'none';
    document.getElementById('imgsd').style.display = '';
    
    document.getElementById('des').innerHTML = '湿度';
    document.getElementById('area').innerHTML = '四川';
}

function isPinYear(year){
    if (0 == year % 4 && ((year % 100 != 0) || (year % 400 == 0))) 
        return true;
    else 
        return false;
}

//
// 名称 : GetDays
// 功能 : 得到指定年月份的最大天数
// 参数 : [y] 指定年份
//   [m] 指定月份
// 返回 : 当月最大的天数
//
function GetDays(y, m){

    var strMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
    if (m == 2) {
        return (((y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0)) ? 29 : 28);
    }
    else {
        return (strMonth[m - 1]);
    }
    
}