how to add a class to button Edit, in tableedit plugin

how to add a class to button Edit, in tableedit plugin

hi all here my fiddle:



when user click on Edit button in any row.... i want go to Name column, and change Jhon Name to Mike... when user LostFocus(clicking the button Save Changes) i before want check before the value typed, send the value to ajax and return, if is OK, save the changes if not i want display an alert

Thanks