* fixed IE bug at "Contents" section http://drupal.org/node/295463 (Tested on Windows/IE6)

* got workaround for displaying jqm dialogs on IE properly (Tested on Windows/IE6)
* additional file upload check for errors
* replaced interface sortables with ui.sortables
* Works on
	Windows / Opera 9.51
	Windows / Mozilla Firefox 3
	Windows / Internet Explorer 6