When it comes to semantic and well-formed markup, SharePoint 2010 lags a little bit behind. Unclosed HTML tags, inline styles and script, unique classes and not-so-unique IDs with random naming conventions are your usual opponents in the battleground where the older generation Internet Explorers still roam.

The prime example of this is the Navigation Settings page (/_layouts/AreaNavigationSettings.aspx) in the layouts…

With the inclusion of the new dialog framework in Sharepoint 2010 it is quite easy to create stylish dialog windows that comply to the overall look and feel of your site. As Jomit Vaghela explains in his blog, all you need to do is put the parameter IsDlg=1 in your url and use the SP.UI.ModalDialog.showModalDialog method with…