var MyCustomMarker = L.Marker.extend({

bindPopup: function(htmlContent, options) {
    
if (options && options.showOnMouseOver) {

// call the super method
L.Marker.prototype.bindPopup.apply(this, [htmlContent, options]);

// click event to open url
this.on('click', function(){
    window.location = (this.url);
});

// bind to mouse over
this.on("mouseover", function(e) {
    
    // get the element that the mouse hovered onto
    var target = e.originalEvent.fromElement || e.originalEvent.relatedTarget;
    var parent = this._getParent(target, "leaflet-popup");

    // check to see if the element is a popup, and if it is this marker's popup
    if (parent == this._popup._container)
        return true;
    
    // show the popup
    this.openPopup();
    
}, this);

// and mouse out
this.on("mouseout", function(e) {
    
    // get the element that the mouse hovered onto
    var target = e.originalEvent.toElement || e.originalEvent.relatedTarget;
    
    // check to see if the element is a popup
    if (this._getParent(target, "leaflet-popup")) {

        L.DomEvent.on(this._popup._container, "mouseout", this._popupMouseOut, this);
        return true;

    }
    
    // hide the popup
    this.closePopup();
    
}, this);

}

},

_popupMouseOut: function(e) {

// detach the event
L.DomEvent.off(this._popup, "mouseout", this._popupMouseOut, this);

// get the element that the mouse hovered onto
var target = e.toElement || e.relatedTarget;

// check to see if the element is a popup
if (this._getParent(target, "leaflet-popup"))
return true;

// check to see if the marker was hovered back onto
if (target == this._icon)
return true;

// hide the popup
this.closePopup();

},

_getParent: function(element, className) {

var parent = element.parentNode;

while (parent != null) {

if (parent.className && L.DomUtil.hasClass(parent, className))
    return parent;

parent = parent.parentNode;

}

return false;

}

});

function setRegion(id) {
switch (id)   {
    case 1: 
        map.flyTo([49, -105], 2); // North + Meso America
        ajaxFunction("main_navi", "dobes_project_links/index.php?region=1");
        break;
    case 2: 
        map.flyTo([-15, -61], 3); // South America
        ajaxFunction("main_navi", "dobes_project_links/index.php?region=2");
        break;
    case 3: 
        map.flyTo([48, 72], 2); // Eurasia
        ajaxFunction("main_navi", "dobes_project_links/index.php?region=3");
        break;
    case 4: 
        map.flyTo([-4, 15], 3); // Africa
        ajaxFunction("main_navi", "dobes_project_links/index.php?region=4");
        break;
    case 5: 
        map.flyTo([-3, 160], 3); // Oceania
        ajaxFunction("main_navi", "dobes_project_links/index.php?region=5");
        break;
}
}



var markers = new L.FeatureGroup();

var dobesIcon = L.icon({
iconUrl: '/wp-content/themes/dobes/js/../images/dobes_marker.png',
iconSize: [16, 16], 
popupAnchor: [1, 0]
});

var projects = [["\u2260Akhoe Hai\/\/om","akhoe","1839\/00-0000-0000-0004-DDF2-2",4,16.50835277777778,-17.81203055555556],["Ach\u00e9","ache","1839\/00-0000-0000-0014-C52F-7",2,-55.64114953673442,-24.12684335966327],["Southeastern Rond\u00f4nia","southeastern_rondonia","1839\/00-0000-0000-0019-E76D-1",2,-60.41380000194953,-12.65100000012067],["Akie","akie","1839\/f6f9a96e-e3c2-4b62-bf40-4c11c8d17448",4,36.0881222162923,-5.47766515256113],["West Ambrym","ambrym","1839\/00-0000-0000-000E-1808-8",5,167.9403407703047,-16.24456537547754],["Awet\u00ed","aweti","1839\/00-0000-0000-0001-305C-A",2,-53.39154162761788,-12.38292390527443],["Ba\u00efnounk","bainounk","1839\/00-0000-0000-0016-3656-0",4,-16.33120899773539,12.74182599667788],["Bagyeli\/Bakola","bakola","1839\/00-0000-0000-0014-C529-A",4,10.73333299856731,3.233332999664737],["Baure","baure","1839\/00-0000-0000-000D-8382-B",2,-63.69347787830142,-13.65482487898197],["Bayso\/Haro","bayso_haro","1839\/00-0000-0000-0017-F327-0",4,37.75000000046403,6.249999998585252],["Beaver","beaver","1839\/00-0000-0000-0001-34B1-5",1,-120.482782682017,56.61658355313985],["Bena Bena","benabena","1839\/00-0000-0000-0016-B159-5",5,145.537003,-6.11391],["Bezen","bezen","1839\/290cc46b-23f6-473f-81c9-87762ec145ff",4,10.06783210787575,6.752494252527146],["Cashinahua","cashinahua","1839\/00-0000-0000-0008-4070-6",2,-71.57545183215336,-10.42969693460424],["CELD Papua","celd","1839\/00-0000-0000-0017-E884-A",5,139.3351891625389,-4.199547491533352],["Chaco Languages","chaco","1839\/00-0000-0000-0001-34DE-7",2,-60.20724815637318,-26.80857643736235],["Chintang\/Puma","chintang","1839\/00-0000-0000-0005-24BD-D",3,87.01590016489011,26.98846005604396],["Chipaya","chipaya","1839\/00-0000-0000-0008-24CA-F",2,-68.08953842109413,-19.04158671057432],["Chontal","chontal","1839\/00-0000-0000-0005-831C-C",1,-95.70887044186784,15.98570734159531],["D\u00e9l\u0131\u0328n\u0119","deline","1839\/00-0000-0000-0019-EE0F-7",1,-123.4227519831766,65.18885100162355],["\u0116ven","even","1839\/00-0000-0000-000F-2DFE-0",3,131.8635510406172,65.02385626216146],["Gorani","gorani","1839\/00-0000-0000-0009-E89B-9",3,46.30267965689424,34.92057478243947],["Hooc\u0105k","hocank","1839\/00-0000-0000-0001-367F-7",1,-90.83967777777778,44.28661944444444],["Isubu\/Wovia","isubu_wovia",1384636,4,9.195443000322092,4.022465998111797],["Iwaidja","iwaidja","1839\/00-0000-0000-0001-3709-6",5,132.5779579640883,-11.14851401426966],["Jaminjungan and Eastern Ngumpin","jaminjung","1839\/00-0000-0000-0004-DF7A-E",5,130.3803472222222,-15.52368888888889],["Khinalug","khinalug","1839\/00-0000-0000-0016-2EB3-C",3,48.12769337846439,41.17868975440174],["Kola S\u00e1mi","sami","1839\/00-0000-0000-0005-8A34-E",3,35.01602688922696,68.00636055775709],["Kuikuro","kuikuro","1839\/00-0000-0000-0001-379E-4",2,-53.20926628408038,-12.35175773182949],["Kurumba Languages","kurumba","1839\/00-0000-0000-000D-8383-9",3,76.4863868554639,11.59016758447595],["Kyanga\/Shanga","kyanga_shanga","1839\/00-0000-0000-0017-CFE8-5",4,4.579210284948916,11.21313850059646],["Laal","laal","1839\/00-0000-0000-0017-B129-C",4,17.66666666659567,9.999999999606025],["Lacandon","lacandon","1839\/00-0000-0000-0001-390B-C",1,-91.58267107396529,16.97845623372331],["Lakota","lakota",0,1,-101.8333333344463,43.83333333361865],["Lower Sorbian","lower_sorbian","1839\/00-0000-0000-0016-9194-2",3,14.334167,51.760556],["Marquesan","marquesan","1839_00_0000_0000_0001_3B2D_1",5,220.0600534745392,-9.377482662553186],["MEL project \/ Tuamotuan","tuamotuan","1839\/00-0000-0000-000D-B80D-8",5,220.6656047146723,-18.42074942288098],["Minderico","minderico","1839\/00-0000-0000-000F-2DFF-A",3,-8.689602000269023,39.51384900015493],["Morehead (Nen\/K\u00f3mnzo)","morehead","1839\/00-0000-0000-0017-89A2-B",5,141.9917199750585,-8.5846993738285],["Movima","movima","1839\/00-0000-0000-0007-DDFD-4",2,-65.42190000000001,-13.74117222222222],["Nenets","nenets","1839\/00-0000-0000-0008-2194-0",3,81.88368627273296,66.69712337471037],["Nsambaan\/Nsong\/Ngong","nsambaan_nsong_ngong","1839\/00-0000-0000-001A-9F2B-A",4,18.81625722928512,-5.041063465204402],["Oyda","oyda","1839\/00-0000-0000-0016-3694-8",4,36.65029999738834,5.943800001638671],["People of the Center","center","1839\/00-0000-0000-0005-802E-9",2,-72.54564450105971,-2.509479906359513],["Salar\/Monguor","salar","1839\/00-0000-0000-0001-3DA3-5",3,101.7897095744772,36.00236439389911],["Saliba\/Logea","saliba","1839\/00-0000-0000-0008-1484-1",5,152.6016944444444,-10.645175],["Savosavo","savosavo","1839\/00-0000-0000-0008-7347-A",5,159.8384750583851,-9.126841764954664],["Semang","semang","1839\/00-0000-0000-0008-719D-6",5,101.1557192935373,5.415886959145203],["Semaq Beri\/Batek","semaq_beri_batek","1839\/00-0000-0000-000A-2119-E",5,102.3666700000001,3.9333334],["Shiri\/Sanzhi","shiri_sanzhi","1839\/00-0000-0000-0018-A4D4-6",3,47.40872572217202,42.26668506985605],["Sri Lanka Malay","slm","1839\/00-0000-0000-0007-DDFE-2",3,79.89667155892515,6.900104246292309],["Svan\/Udi\/Tsova-Tush","svan","1839\/00-0000-0000-0008-24AD-F",3,42.73019722222222,43.04572222222222],["Taa","taa","1839\/00-0000-0000-0004-DDF3-4",4,20.00365555555556,-23.16853888888889],["Tangsa\/Tai\/Singpho","singpho_tai_tangsa","1839\/00-0000-0000-000D-BB1A-A",3,95.65894100378183,27.2973489994279],["Teop","teop","1839\/00-0000-0000-0001-3DB8-C",5,155.074625,-5.577897222222222],["Tima","tima","1839\/00-0000-0000-0008-2195-8",4,29.25392663770311,11.72143375034394],["Tofa","tofa","1839\/00-0000-0000-0001-3F6C-E",3,98.23504999999999,53.69414999999999],["Totoli","totoli","1839\/00-0000-0000-0005-24BE-F",5,120.8163138888889,1.042961111111111],["Trumai","trumai","1839\/00-0000-0000-0008-3A0E-7",2,-53.59444202212001,-11.85721413118175],["Tsafiki","tsafiki","1839\/00-0000-0000-0001-46BA-3",2,-79.15190370112373,-0.1869792123556514],["Ujir","ujir","1839\/00-0000-0000-001C-903D-9",5,134.2772974144609,-5.612607464105282],["Uru-Chipaya","uru-chipaya","1839\/00-0000-0000-0009-FD76-B",2,-68.08953842109413,-19.04158671057432],["Vur\u00ebs\/Vera’a","vures_veraa","1839\/00-0000-0000-0009-E89C-6",5,167.4800777777778,-13.76311388888889],["Waima’a","waimaa","1839\/00-0000-0000-0001-473A-3",5,126.4503032431727,-8.464103646239048],["Wichita","wichita","1839\/00-0000-0000-0001-483D-C",1,-98.22831111111113,35.06406388888889],["Wooi","wooi","1839\/00-0000-0000-0014-C76C-1",5,135.5076944444444,-1.679472222222222],["Yurakar\u00e9","yurakare","1839\/00-0000-0000-0008-2196-6",2,-65.16372371856787,-16.00321576899253]];

// specify popup options 
var popupOptions =
{
'maxWidth': '500',
'className' : 'custom-popup',
showOnMouseOver: true
}

var mapLink = '<a href="https://openstreetmap.org">OpenStreetMap</a>';

var dobesmap = L.tileLayer(
'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '&copy; ' + mapLink + ' Contributors',
maxZoom: 18,
});

var map = L.map('map')
.setView([20, 40], 1)
.addLayer(dobesmap);

var marker_array = [];

function populate() {

for (var i = 0; i < projects.length; i++) {
    var marker = new MyCustomMarker([projects[i][5],projects[i][4]], {icon: dobesIcon, myId: i});
    marker.bindPopup(projects[i][0], popupOptions);
    marker.url = 'https://dobes.mpi.nl/projects/' + projects[i][1];
    marker_array[i] = marker;
    markers.addLayer(marker);
}

return false;
}

map.addLayer(markers);

populate();

function highlightMarker(i) {
current = marker_array[i];
current.openPopup();
}

function normaliseMarker(i) {
current = marker_array[i];
current.closePopup();
}

/* AJAX function from http://www.dynamicdrive.com/forums/showthread.php?t=28882:
(alternatives: http://codesnippets.joyent.com/posts/show/602 )*/
function ajaxFunction(id, url) {
var xmlHttp;
var elem = document.getElementById(id);
try {// Firefox, Opera 8.0+, Safari
xmlHttp = new XMLHttpRequest();
} catch (e2) {// Internet Explorer
try {
    xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e3) {
        try {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e4) {
        alert("Your browser does not support AJAX!");
        return false;
        }
    }
}

xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState === 4) {
//Get the response from the server and extract the section that comes in the body section of the second html page avoid inserting the header part of the second page in your first page's element
var respText = xmlHttp.responseText.split('<body>');
elem.innerHTML = respText[1].split('</body>')[0];
}
};

if (!elem) {
alert('The element with the passed ID doesn\'t exists in your page');
return;
}

xmlHttp.open("GET", url, true);
xmlHttp.send(null);
}