The HTML includes the following code. There aren't any JS errors.
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Load.ashx?type=culture&culture=en-GB'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Core/GalleryLibrary.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Share/LibraryExt.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Core/GalleryMenu.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Core/GalleryBrowser.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Layout/Classic/Code.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Slider/NewWin/Code.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Viewer/LightBox/Code.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Popup/Default/Code.js'></script>
<script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Theme/Classic/Code.js'></script>
<link rel='stylesheet' href='/gillianos2/CuteSoft_Client/Gallery/Gallery.css' />
<link rel='stylesheet' href='/gillianos2/CuteSoft_Client/Gallery/Theme/Classic/Style.css' />
<link rel='stylesheet' href='/gillianos2/CuteSoft_Client/Gallery/Layout/Classic/Style.css' />
<link rel='stylesheet' href='/gillianos2/CuteSoft_Client/Gallery/Viewer/LightBox/Style.css' />
<div id="ctl00_ContentFrame_dotnetgallery1" style="height:360px;width:420px;">
<!--Start Layout Template 'Classic'-->
<table class="GalleryLayout" border="1" cellspacing="0" cellpadding="1" style="width:100%;height:100%;border-collapse:collapse;">
<tr>
<td valign="top" align="center" id='dng_photolist'>
</td>
</tr>
</table>
<div id='dng_uploaderholder' style='position:absolute;display:none'></div>
<!--End Template-->
<script type='text/javascript'><!--
var GalleryAjaxData={Controls:[
{ClientID:'ctl00_ContentFrame_dotnetgallery1',UniqueID:'ctl00$ContentFrame$dotnetgallery1',Methods:[{Name:'UploadFiles',ParameterCount:1},{Name:'CreateCategory',ParameterCount:1},{Name:'DeleteCategory',ParameterCount:1},{Name:'DeletePhoto',ParameterCount:2},{Name:'UpdateCategory',ParameterCount:2},{Name:'UpdatePhoto',ParameterCount:4},{Name:'GetAllCategoryData',ParameterCount:0},{Name:'GetCategoryData',ParameterCount:1},{Name:'AddCategoryComment',ParameterCount:3},{Name:'AddPhotoComment',ParameterCount:4},{Name:'DeleteCategoryComment',ParameterCount:2},{Name:'DeletePhotoComment',ParameterCount:3}]}
]};
--></script><script type='text/javascript' src='/gillianos2/CuteSoft_Client/Gallery/Core/GalleryAjax.js'><!-- --></script>
</div>
<script type='text/javascript'>var thegallerybrowser=new GalleryBrowser(
{ClientID:'ctl00_ContentFrame_dotnetgallery1',UniqueID:'ctl00$ContentFrame$dotnetgallery1',Folder:'/gillianos2/CuteSoft_Client/Gallery/',LoadHandler:'Load.ashx',Theme:'Classic',Culture:'en-GB',Layout:'Classic',Slider:'NewWin',Viewer:'LightBox',Popup:'Default',Editor:'Explorer',AlbumID:null,LogonUserID:null,LogonUserName:null,AllowEdit:null,AllowPostComment:null,AllowShowComment:1
,ScriptOption:{}
,Categories:[{'Title':null,'CategoryID':null,'Description':null,'Photos':[]}]});</script>