How do I add the same child record to selected parents?

[alphacp]

I have a parent table, let's call it Orders, and then I have a child table which is Notes. I would like to use the checkboxes to select a list of Orders and add the same Note to all the selected orders. I just cannot see an easy way of doing this. At some stage I must be allowed to enter the text of the note (INPUT springs to mind) and then add a new record (Note) for each selected Order using that text. 

I thought this had become possible but perhaps not? Any suggestions?