Added a copy of Firebug Lite for debugging purposes. License is uncertain but being treated as MPL. (If is is not MPL then it is under something more permissive that permits relicensing anyway)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>{#table_dlg.cell_title}</title>
<script type="text/javascript" src="../../tiny_mce_popup.js"></script>
<script type="text/javascript" src="../../utils/mctabs.js"></script>
<script type="text/javascript" src="../../utils/form_utils.js"></script>
<script type="text/javascript" src="js/cell.js"></script>
<link href="css/cell.css" rel="stylesheet" type="text/css" />
<base target="_self" />
</head>
<body id="tablecell" style="display: none">
<form onsubmit="updateAction();return false;" action="#">
<div class="tabs">
<ul>
<li id="general_tab" class="current"><span><a href="javascript:mcTabs.displayTab('general_tab','general_panel');" onmousedown="return false;">{#table_dlg.general_tab}</a></span></li>
<li id="advanced_tab"><span><a href="javascript:mcTabs.displayTab('advanced_tab','advanced_panel');" onmousedown="return false;">{#table_dlg.advanced_tab}</a></span></li>
</ul>
</div>
<div class="panel_wrapper">
<div id="general_panel" class="panel current">
<fieldset>
<legend>{#table_dlg.general_props}</legend>
<table border="0" cellpadding="4" cellspacing="0">
<tr>
<td><label for="align">{#table_dlg.align}</label></td>
<td>
<select id="align" name="align">
<option value="">{#not_set}</option>
<option value="center">{#table_dlg.align_middle}</option>
<option value="left">{#table_dlg.align_left}</option>
<option value="right">{#table_dlg.align_right}</option>
</select>
</td>
<td><label for="celltype">{#table_dlg.cell_type}</label></td>
<td>
<select id="celltype" name="celltype">
<option value="td">{#table_dlg.td}</option>
<option value="th">{#table_dlg.th}</option>
</select>
</td>
</tr>
<tr>
<td><label for="valign">{#table_dlg.valign}</label></td>
<td>
<select id="valign" name="valign">
<option value="">{#not_set}</option>
<option value="top">{#table_dlg.align_top}</option>
<option value="middle">{#table_dlg.align_middle}</option>
<option value="bottom">{#table_dlg.align_bottom}</option>
</select>
</td>
<td><label for="scope">{#table_dlg.scope}</label></td>
<td>
<select id="scope" name="scope">
<option value="">{#not_set}</option>
<option value="col">{#table.col}</option>
<option value="row">{#table.row}</option>
<option value="rowgroup">{#table_dlg.rowgroup}</option>
<option value="colgroup">{#table_dlg.colgroup}</option>
</select>
</td>
</tr>
<tr>
<td><label for="width">{#table_dlg.width}</label></td>
<td><input id="width" name="width" type="text" value="" size="4" maxlength="4" onchange="changedSize();" /></td>
<td><label for="height">{#table_dlg.height}</label></td>
<td><input id="height" name="height" type="text" value="" size="4" maxlength="4" onchange="changedSize();" /></td>
</tr>
<tr id="styleSelectRow">
<td><label for="class">{#class_name}</label></td>
<td colspan="3">
<select id="class" name="class">
<option value="" selected="selected">{#not_set}</option>
</select>
</td>
</tr>
</table>
</fieldset>
</div>
<div id="advanced_panel" class="panel">
<fieldset>
<legend>{#table_dlg.advanced_props}</legend>
<table border="0" cellpadding="0" cellspacing="4">
<tr>
<td class="column1"><label for="id">{#table_dlg.id}</label></td>
<td><input id="id" name="id" type="text" value="" style="width: 200px" /></td>
</tr>
<tr>
<td><label for="style">{#table_dlg.style}</label></td>
<td><input type="text" id="style" name="style" value="" style="width: 200px;" onchange="changedStyle();" /></td>
</tr>
<tr>
<td class="column1"><label for="dir">{#table_dlg.langdir}</label></td>
<td>
<select id="dir" name="dir" style="width: 200px">
<option value="">{#not_set}</option>
<option value="ltr">{#table_dlg.ltr}</option>
<option value="rtl">{#table_dlg.rtl}</option>
</select>
</td>
</tr>
<tr>
<td class="column1"><label for="lang">{#table_dlg.langcode}</label></td>
<td>
<input id="lang" name="lang" type="text" value="" style="width: 200px" />
</td>
</tr>
<tr>
<td class="column1"><label for="backgroundimage">{#table_dlg.bgimage}</label></td>
<td>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><input id="backgroundimage" name="backgroundimage" type="text" value="" style="width: 200px" onchange="changedBackgroundImage();" /></td>
<td id="backgroundimagebrowsercontainer"> </td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="column1"><label for="bordercolor">{#table_dlg.bordercolor}</label></td>
<td>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><input id="bordercolor" name="bordercolor" type="text" value="" size="9" onchange="updateColor('bordercolor_pick','bordercolor');changedColor();" /></td>
<td id="bordercolor_pickcontainer"> </td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="column1"><label for="bgcolor">{#table_dlg.bgcolor}</label></td>
<td>
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><input id="bgcolor" name="bgcolor" type="text" value="" size="9" onchange="updateColor('bgcolor_pick','bgcolor');changedColor();" /></td>
<td id="bgcolor_pickcontainer"> </td>
</tr>
</table>
</td>
</tr>
</table>
</fieldset>
</div>
</div>
<div class="mceActionPanel">
<div>
<select id="action" name="action">
<option value="cell">{#table_dlg.cell_cell}</option>
<option value="row">{#table_dlg.cell_row}</option>
<option value="all">{#table_dlg.cell_all}</option>
</select>
</div>
<div style="float: left">
<div><input type="button" id="insert" name="insert" value="{#update}" onclick="updateAction();" /></div>
</div>
<div style="float: right">
<input type="button" id="cancel" name="cancel" value="{#cancel}" onclick="tinyMCEPopup.close();" />
</div>
</div>
</form>
</body>
</html>