Delete marker บน map ออกจาก database ในหน้าอื่นเมื่อกดปุ่ม

      function initMap() {
			var mapOptions = {
			  center: {lat: 16.7464756, lng: 100.1911128},
			  zoom: 14,
			}

			var maps = new google.maps.Map(document.getElementById("map"),mapOptions);

			var marker, info;

			$.getJSON( "json.php", function( jsonObj ) {
					//*** loop
					$.each(jsonObj, function(i, item){
						marker = new google.maps.Marker({
						   position: new google.maps.LatLng(item.latitude, item.longitude),
						   map: maps
						});

					  info = new google.maps.InfoWindow();

					  google.maps.event.addListener(marker, 'click', (function(marker, i) {
						return function() {
						  info.setContent(item.latitude+',' + item.longitude +'<br/>'+'<a href="login.php">'+'click</a> ');
						  info.open(maps, marker);
						}
					  })(marker, i));

					}); // loop

			 });

		}