Google javascript API がうまく読み込めない？

###前提・実現したいこと
現在地を取得して目的地と比較したい

###発生している問題・エラーメッセージ

HTMLで同じようなコードで試したときはきちんと結果がでましたが、
XHTMLで実行すると結果がでません。(test用のAlertは出ています)
javascript側で「グローバル変数Googleは宣言されてません」とでています。

###該当のソースコード

XHTML
1<?xml version='1.0' encoding='UTF-8' ?>
2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3<html xmlns="http://www.w3.org/1999/xhtml"
4      xmlns:h="http://xmlns.jcp.org/jsf/html">
5    <h:head>
6        <title>Facelet Title</title>
7        <script
8            src="https://maps.googleapis.com/maps/api/js?key=/*自分のAPIキー(入力してます)">
9        </script>
10        <h:outputScript library="js" name="huratto_add.js"/>
11    </h:head>
12    <h:body>
13
14        <h:commandButton  value="検索"
15                          onclick="geo()"/>
16
17        <div id="time1"></div>
18    </h:body>
19</html>

javascript
1/* 
2 * To change this license header, choose License Headers in Project Properties.
3 * To change this template file, choose Tools | Templates
4 * and open the template in the editor.
5 */
6
7// success callback
8function success(position) {
9    //alert( "latitude: " + position,coords.latitude + "\nlongitude: " + position.coords.longitude );
10
11    var lat = position.coords.latitude;
12    var long = position.coords.longitude;
13    initMaps(lat, long);
14
15}
16;
17// error callback
18function error(err) {
19    alert("can't get position");
20}
21;
22function geo() {
23    navigator.geolocation.getCurrentPosition(success, error);
24    alert("12");
25    
26}
27// navigator.geolocation.getCurrentPosition(success,error);
28
29
30function initMaps(lat, long) {
31    var bounds = new google.maps.LatLngBounds;
32    var markersArray = [];
33
34    //alert( "経度: " +lat+ "緯度: " + long );
35
36    //var origin1 = 'Tokyo, Japan';
37    var origin2 = new google.maps.LatLng(lat, long);
38    var destinationA = '鹿児島中央駅,Kagoshima, Japan';
39    //var destinationB = 'Kumamoto, Japan';
40
41    var destinationIcon = 'https://chart.googleapis.com/chart?' +
42            'chst=d_map_pin_letter&chld=D|FF0000|000000';
43    var originIcon = 'https://chart.googleapis.com/chart?' +
44            'chst=d_map_pin_letter&chld=O|FFFF00|000000';
45    /*var map = new google.maps.Map(document.getElementById('map'), {
46     center: {lat: 55.53, lng: 9.4},
47     zoom: 10
48     });*/
49    var geocoder = new google.maps.Geocoder;
50
51
52    var service = new google.maps.DistanceMatrixService;
53    service.getDistanceMatrix({
54        origins: [origin2],
55        destinations: [destinationA],
56        travelMode: 'WALKING',
57        unitSystem: google.maps.UnitSystem.METRIC,
58        avoidHighways: false,
59        avoidTolls: false
60    }, function (response, status) {
61        if (status !== 'OK') {
62            alert('Error was: ' + status);
63        } else {
64            var originList = response.originAddresses;
65            var destinationList = response.destinationAddresses;
66            var outputDiv = document.getElementById('output');
67            outputDiv.innerHTML = '';
68            deleteMarkers(markersArray);
69
70            /*var showGeocodedAddressOnMap = function (asDestination) {
71                var icon = asDestination ? destinationIcon : originIcon;
72                return function (results, status) {
73                    if (status === 'OK') {
74                        map.fitBounds(bounds.extend(results[0].geometry.location));
75                        markersArray.push(new google.maps.Marker({
76                            map: map,
77                            position: results[0].geometry.location,
78                            icon: icon
79                        }));
80                    } else {
81                        alert('Geocode was not successful due to: ' + status);
82                    }
83                };
84            };
85        */
86            target2 = document.getElementById("time1");//表示させる場所をIDで指定
87            target2.innerHTML = '';
88            for (var i = 0; i < originList.length; i++) {
89                var results = response.rows[i].elements;
90                geocoder.geocode({'address': originList[i]},
91                        showGeocodedAddressOnMap(false));
92                for (var j = 0; j < results.length; j++) {
93                    geocoder.geocode({'address': destinationList[j]},
94                            showGeocodedAddressOnMap(true));
95                    target2.innerHTML +=  originList[i] + ' から ' + destinationList[j] +
96                     ': ' + results[j].distance.text + ' まで ' +
97                            results[j].duration.text + '<br>';
98                }
99            }
100        }
101    });
102}
103
104function deleteMarkers(markersArray) {
105    for (var i = 0; i < markersArray.length; i++) {
106        markersArray[i].setMap(null);
107    }
108    markersArray = [];
109}
110