Sharepoint Master page and "save your changes before continuing, click OK. To continue without saving changes, click Cancel" alert

For some reason some controls in edit mode throws: save your changes before continuing, click "OK". To continue without saving changes, click "Cancel".

To fix the leave authoring problem in sharepoint you need to add the following tag in the header of your master page:

<meta equiv="X-UA-Compatible" content="IE=EmulateIE7">

Explanation about the X-UA-Compatible http://blogs.msdn.com/ie/archive/2008/06/10/introducing-ie-emulateie7.aspx