onEditorAccess

fires when the user accesses the editor body

void onEditorAccess(string name,string type,object ev,object editor,object form);

name	string	the item's name
type	string	the type of the accessing action (e.g. "mousedown","focus","mouseup","click", "blur")
ev	object	the event object
editor	object	the editor instance
form	object	the form instance

myForm.attachEvent("onEditorAccess", function(name, type, ev, editor, form){
    //your code here
});