function post_check() {
    post_area = document.getElementById("post_area");
    if (nullCheck(post_area.value, "本文")) {
        return true;
    } else {
        return false;
    }
}

function contr_check() {
    review_area = document.getElementById("review_area");
    if (nullCheck(review_area.value, "本文")) {
        return true;
    } else {
        return false;
    }
}

function nullCheck(str, name) {
    if (str.length == 0) {
        alert(name + "が入力されていません");
        return false;
    }
    return true;
}

function get_rk() {
    return "";
}

function img_check() {
    var img = document.getElementById("img").value;
    if (img == "") {
        alert("ファイルを選択してください");
        return false;
    }
    return true;
}

function imageCheck() {
    var fileList = document.getElementById("spot_img1").files;
    var size = "";
    var name = "";
    for (var i = 0; i < fileList.length; i++) {
        size = fileList[i].size;
        name = fileList[i].name;
    }
    if (name != "") {
        var Extension = getExtension(name);
        Extension = Extension.toLowerCase()
        if (Extension == "jpg" || Extension == "jpeg" || Extension == "gif" || Extension == "png") {} else {
            alert("登録できない形式のファイルです");
            return false;
        }
    }
    if (size) {
        if (size > 1000000) {
            alert("ファイルサイズがオーバーしています");
            return false;
        }
    }
    return true;
}

function getExtension(fileName) {
    var ret;
    if (!fileName) {
        return ret;
    }
    var fileTypes = fileName.split(".");
    var len = fileTypes.length;
    if (len === 0) {
        return ret;
    }
    ret = fileTypes[len - 1];
    return ret;
}

function unescapeHTML(val) {
    return $('<div>').html(val).text();
};

function createMap(lat, lng) {
    google.maps.event.addDomListener(window, 'load', function() {
        var markerObj;
        var directionsRenderer;
        var directionsService = new google.maps.DirectionsService();
        var directionsRenderer = new google.maps.DirectionsRenderer();
        var map = document.getElementById("gMap");
        var latLng = new google.maps.LatLng(lat, lng);
        var options = {
            zoom: 16,
            center: latLng,
            mapTypeId: google.maps.MapTypeId.ROADMAP,
            scaleControl: true
        };
        var mapObj = new google.maps.Map(map, options);
        var marker = new google.maps.Marker({
            icon: "img/content/icon_s.png",
            position: latLng,
            map: mapObj
        });
    });
}