

        <!-- need this because the host needs to be overflow: visible -->
        <div id="scroller" relative flex auto>
            <template if="{{heading}}">
                <h1>{{heading}}</h1>
            </template>

            <content></content>

            <div>
                <paper-button class="ok" id="btnOk" disabled?="{{autoCloseDisabled}}" affirmative default>OK</paper-button>
            </div>
        </div>
    </template>
    <script>
        var dialog;
        Polymer({
           