window.addEventListener('load' , function (){ var metaData = document.head.children; var metaLength = metaData.length; var mapsApiKey = ''; for(var i = 0;i < metaLength;i++){ var propertyName = metaData[i].getAttribute('name'); if( propertyName === 'c2googleMapsApiKey'){ mapsApiKey = metaData[i].getAttribute('content'); } } /* for googleAPI Key exists */ if( mapsApiKey.length > 0 ){ function initialize338() { var latlng338 = new google.maps.LatLng(34.81631, 138.21978); var pan=338; var myOptions338 = { zoom: 16, center: latlng338, mapTypeId: google.maps.MapTypeId.ROADMAP }; //centering if( document.getElementById(pan).children.length == 1 ) { if( document.getElementById(pan).children[0].children[0].tagName == 'BR' ) { var gmapDiv = document.getElementById(pan).children[0].children[3].children[0] } else { var gmapDiv = document.getElementById(pan).children[0].children[2].children[0] } } else { //beforeBR if( document.getElementById(pan).children[0].tagName == 'BR' ) { var gmapDiv = document.getElementById(pan).children[3].children[0] } else { var gmapDiv = document.getElementById(pan).children[2].children[0] } } var google_map338 = new google.maps.Map( gmapDiv, myOptions338 ); var marker338 = new google.maps.Marker({ position: latlng338, map: google_map338 }) } initialize338(); /* for googleAPI Key not exists(openStreetMap) */ }else{ var attr = document.getElementById(338); attr = attr.getElementsByTagName('center'); attr = attr[0].getElementsByTagName('div'); attr[0].setAttribute('id' , 'openStreetMap338'); var map338 = L.map( 'openStreetMap338' ).setView([34.81631,138.21978], 17 ); var tileLayer = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{ attribution: '(c) OpenStreetMap contributors, CC-BY-SA', maxZoom: 19 }); tileLayer.addTo(map338); L.marker([34.81631,138.21978]).addTo(map338); } });