cómo hacer clic en las casillas de verificación en una ventana emergente que no tiene nombre, etiqueta

Soy nuevo en Selenium webdriver. Estoy trabajando en una aplicación en la que hacer clic en un botón abrirá una ventana para crear una nueva carpeta. En esta ventana emergente, debemos completar algunos campos de entrada, marcar algunas casillas y luego hacer clic en el botón crear para crear una carpeta. Estoy tratando de hacer clic en las casillas de verificación y luego haga clic en crear. Las casillas de verificación no tienen nombre, texto, etiqueta. Intenté usar el selector de CSS, y la siguiente xpath del elemento, sin embargo, no funciona. Cuando se ejecuta utilizando xpath, aparece un error de excepción que dice "No se puede localizar el elemento".

driver.findElement(By.xpath("//div[9]/div[2]/div/div/span/div/div/div[2]/table/tbody/tr/td[2]/table/tbody/tr/td[2]/input")); 

Aquí está el enlace para la imagen de las casillas de verificación de la ventana emergente

http://imageshack.us/f/811/8thi.png/

Aquí está el código HTML

<html class="x-border-box x-quirks x-viewport">
<head>
<body id="ext-gen1020" class="x-body x-gecko x-mac x-layout-fit x-container x-container-default">
<div id="workspace-1010" class="x-container x-fit-item x-container-default x-border-layout-ct" style="margin: 0px; width: 1680px; height: 494px;">
<div id="ext-quicktips-tip" class="x-tip x-layer x-tip-default" style="display: none;">
<div id="ext-gen1562" class="x-mask" style="z-index: 18999; width: 1371px; height: 300px; right: auto; left: 307px; top: 159px; visibility: hidden;"></div>
<div id="loadmask-1094" class="x-mask-msg x-layer x-mask-msg-default" style="right: auto; left: 947px; top: 293px; z-index: 19001; display: none;">
<div id="ext-gen1660" class="x-css-shadow" role="presentation" style="z-index: 19000; right: auto; left: 584px; top: 110px; width: 512px; height: 277px; box-shadow: 0px 0px 6px rgb(136, 136, 136); display: block;"></div>
<div id="propertieswindow-1245" class="x-window properties-window x-layer x-window-default x-closable x-window-closable x-window-default-closable x-resizable x-window-resizable x-window-default-resizable" tabindex="-1" style="height: 281px; right: auto; left: 584px; top: 106px; width: 512px; z-index: 19001;">
<div id="propertieswindow-1245_header" class="x-window-header x-header x-header-horizontal x-header-draggable x-docked x-unselectable x-window-header-default x-horizontal x-window-header-horizontal x-window-header-default-horizontal x-top x-window-header-top x-window-header-default-top x-docked-top x-window-header-docked-top x-window-header-default-docked-top" style="width: 512px; right: auto; left: -1px; top: -1px;">
<div id="propertieswindow-1245-body" class="x-window-body x-window-body-default x-layout-fit x-closable x-window-body-closable x-window-body-default-closable x-window-body-default x-window-body-default-closable x-resizable x-window-body-resizable x-window-body-default-resizable" style="background-color: white; left: 0px; top: 20px; width: 502px; height: 222px;">
<div id="form-1246" class="x-panel x-fit-item x-window-item x-panel-default" style="padding: 5px; width: 500px; margin: 0px; height: 220px;">
<div id="form-1246-body" class="x-panel-body x-panel-body-default x-panel-body-default x-docked-noborder-top x-docked-noborder-right x-docked-noborder-bottom x-docked-noborder-left" style="width: 490px; left: 0px; top: 0px; height: 210px;">
<span id="form-1246-outerCt" style="display: table; width: 100%; table-layout: fixed;">
<div id="form-1246-innerCt" class="" style="display:table-cell;height:100%;vertical-align:top;">
<table id="textfield-1247" class="x-field x-table-plain x-form-item x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: fixed; width: 490px;">
<table id="textfield-1248" class="x-field x-table-plain x-form-item x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: fixed; width: 490px;">
<table id="textfield-1249" class="x-field x-table-plain x-form-item x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: fixed; width: 490px;">
<div id="panel-1250" class="x-panel x-panel-default" style="width: 490px; height: 119px;">
<div id="panel-1250_header" class="x-panel-header x-header x-header-horizontal x-docked x-unselectable x-panel-header-default x-horizontal x-panel-header-horizontal x-panel-header-default-horizontal x-top x-panel-header-top x-panel-header-default-top x-docked-top x-panel-header-docked-top x-panel-header-default-docked-top" style="width: 490px; right: auto; left: 0px; top: 0px;">
<div id="panel-1250-body" class="x-panel-body x-panel-body-default x-table-layout-ct x-panel-body-default" style="left: 0px; width: 490px; top: 25px; height: 94px;">
<table id="ext-gen1642" class="x-table-layout" cellspacing="0" cellpadding="0" role="presentation">
<tbody>
<tr>
<tr>
<td id="" class="x-table-layout-cell " rowspan="1" colspan="1">
<td id="" class="x-table-layout-cell " rowspan="1" colspan="1">
<table id="checkboxfield-1256" class="x-field x-table-plain x-form-item x-field-default x-table-form-item" cellpadding="0" style="border-width: 0px; table-layout: auto;">
<tbody>
<tr id="checkboxfield-1256-inputRow">
<td id="checkboxfield-1256-labelCell" class="x-field-label-cell" width="105" valign="top" halign="right" style="display:none;">
<td id="checkboxfield-1256-bodyEl" class="x-form-item-body x-form-cb-wrap" role="presentation" colspan="3">
<input id="checkboxfield-1256-inputEl" class="x-form-field x-form-checkbox x-form-cb" type="button" hidefocus="true" autocomplete="off" aria-invalid="false">
</td>
<td id="checkboxfield-1256-sideErrorCell" width="17" valign="middle" style="display: none;">
</tr>
</tbody>
</table>
</td>
<td id="" class="x-table-layout-cell " rowspan="1" colspan="1">
<table id="checkboxfield-1257" class="x-field x-table-plain x-form-item x-field-default x-table-form-item" cellpadding="0" style="border-width: 0px; table-layout: auto;">
<tbody>
<tr id="checkboxfield-1257-inputRow">
<td id="checkboxfield-1257-labelCell" class="x-field-label-cell" width="105" valign="top" halign="right" style="display:none;">
<td id="checkboxfield-1257-bodyEl" class="x-form-item-body x-form-cb-wrap" role="presentation" colspan="3">
<input id="checkboxfield-1257-inputEl" class="x-form-field x-form-checkbox x-form-cb" type="button" hidefocus="true" autocomplete="off" aria-invalid="false">
</td>
<td id="checkboxfield-1257-sideErrorCell" width="17" valign="middle" style="display: none;">
</tr>
</tbody>
</table>
</td>
<td id="" class="x-table-layout-cell " rowspan="1" colspan="1">
</tr>
<tr>
<tr>
</tbody>
</table>
</div>
</div>
<table id="hiddenfield-1267" class="x-field x-table-plain x-form-item-hidden x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: auto;">
<table id="hiddenfield-1268" class="x-field x-table-plain x-form-item-hidden x-field-default x-anchor-form-item" cellpadding="0" style="table-layout: auto;">
</div>
</span>
</div>
</div>
</div>
<div id="toolbar-1269" class="x-toolbar x-docked x-toolbar-footer x-docked-bottom x-toolbar-docked-bottom x-toolbar-footer-docked-bottom x-box-layout-ct" style="width: 502px; right: auto; left: 4px; top: 246px;">
<div id="toolbar-1269-innerCt" class="x-box-inner " role="presentation" style="width: 496px; height: 22px;">
<div id="toolbar-1269-targetEl" class="x-box-target" style="width: 496px;">
<div id="button-1270" class="x-btn x-unselectable x-box-item x-toolbar-item x-btn-default-small x-noicon x-btn-noicon x-btn-default-small-noicon" style="border-width: 1px; right: auto; left: 334px; margin: 0px; top: 0px; width: 75px;">
<div id="button-1270-btnWrap" class="x-btn-wrap" unselectable="on">
<a id="button-1270-btnEl" class="x-btn-button" tabindex="0" unselectable="on" hidefocus="on" role="button">
<span id="button-1270-btnInnerEl" class="x-btn-inner x-btn-inner-center" unselectable="on">Create</span>
<span id="button-1270-btnIconEl" class="x-btn-icon-el " style="" unselectable="on" role="img"></span>
</a>
</div>
</div>
<div id="button-1271" class="x-btn x-unselectable x-box-item x-toolbar-item x-btn-default-small x-noicon x-btn-noicon x-btn-default-small-noicon" style="border-width: 1px; right: auto; left: 415px; margin: 0px; top: 0px; width: 75px;">
</div>
</div>
</div>
<div id="propertieswindow-1245-north-handle" class="x-resizable-handle x-resizable-handle-north x-window-handle x-window-handle-north x-window-handle-north-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-south-handle" class="x-resizable-handle x-resizable-handle-south x-window-handle x-window-handle-south x-window-handle-south-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-east-handle" class="x-resizable-handle x-resizable-handle-east x-window-handle x-window-handle-east x-window-handle-east-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-west-handle" class="x-resizable-handle x-resizable-handle-west x-window-handle x-window-handle-west x-window-handle-west-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-northeast-handle" class="x-resizable-handle x-resizable-handle-northeast x-window-handle x-window-handle-northeast x-window-handle-northeast-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-northwest-handle" class="x-resizable-handle x-resizable-handle-northwest x-window-handle x-window-handle-northwest x-window-handle-northwest-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-southeast-handle" class="x-resizable-handle x-resizable-handle-southeast x-window-handle x-window-handle-southeast x-window-handle-southeast-br x-unselectable" unselectable="on"></div>
<div id="propertieswindow-1245-southwest-handle" class="x-resizable-handle x-resizable-handle-southwest x-window-handle x-window-handle-southwest x-window-handle-southwest-br x-unselectable" unselectable="on"></div>
</div>
<div id="ext-gen1659" class="x-mask" style="height: 854px; width: 1680px; z-index: 18997; right: auto; left: 0px; top: 0px;"></div>
</body>
</html>

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