d4mall/application/admin/view/elfinder/index.html

<div class="panel panel-default panel-intro">
    <script type="text/javascript">
        var elroot = "__CDN__/assets/addons/elfinder/";
    </script>
    <script data-main="__CDN__/assets/addons/elfinder/main.default.js"
            src="//cdn.bootcdn.net/ajax/libs/require.js/2.3.5/require.min.js">
    </script>
    <script type="text/javascript">
        define('elFinderConfig', {
            // elFinder options (REQUIRED)
            // Documentation for client options:
            // https://github.com/Studio-42/elFinder/wiki/Client-configuration-options
            defaultOpts: {
                url: 'elfinder/view' // connector URL (REQUIRED)
                , commandsOptions: {
                    edit: {
                        extraOptions: {
                            // set API key to enable Creative Cloud image editor
                            // see https://console.adobe.io/
                            creativeCloudApiKey: '',
                            // browsing manager URL for CKEditor, TinyMCE
                            // uses self location with the empty value
                            managerUrl: ''
                        }
                    }
                    , quicklook: {
                        // to enable preview with Google Docs Viewer
                        googleDocsMimes: ['application/pdf', 'image/tiff', 'application/vnd.ms-office', 'application/msword', 'application/vnd.ms-word', 'application/vnd.ms-excel', 'application/vnd.ms-powerpoint', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/vnd.openxmlformats-officedocument.presentationml.presentation']
                    }
                },
                'width': 'auto',
                'height': '600px',
            },

            managers: {
                'elfinder': {},
            }
        });

    </script>

    <div class="panel-body">
        <div id="myTabContent" class="tab-content">
            <div id="elfinder"></div>
        </div>
    </div>
</div>