Localized the first parts of the admin panel. As a consequence, also wrote a brand new Admin:PageManager that doesn't suck like the old one did.
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>{#template_dlg.title}</title>
<script type="text/javascript" src="../../tiny_mce_popup.js"></script>
<script type="text/javascript" src="js/template.js"></script>
<link href="css/template.css" rel="stylesheet" type="text/css" />
<base target="_self" />
</head>
<body onresize="TemplateDialog.resize();">
<form onsubmit="TemplateDialog.insert();return false;">
<div id="frmbody">
<div class="title">{#template_dlg.desc}</div>
<div class="frmRow"><label for="tpath" title="{#template_dlg.select}">{#template_dlg.label}:</label>
<select id="tpath" name="tpath" onchange="TemplateDialog.selectTemplate(this.options[this.selectedIndex].value);">
<option value="">{#template_dlg.select}...</option>
</select>
<span id="warning"></span></div>
<div class="frmRow"><label for="tdesc">{#template_dlg.desc_label}:</label>
<span id="tmpldesc"></span></div>
<fieldset>
<legend>{#template_dlg.preview}</legend>
<iframe id="templatesrc" name="templatesrc" src="blank.htm" width="690" height="400" frameborder="0"></iframe>
</fieldset>
</div>
<div class="mceActionPanel">
<div style="float: left">
<input type="button" id="insert" name="insert" value="{#insert}" onclick="TemplateDialog.insert();" />
</div>
<div style="float: right">
<input type="button" id="cancel" name="cancel" value="{#cancel}" onclick="tinyMCEPopup.close();" />
</div>
<br style="clear:both" />
</div>
</form>
</body>
</html>