Clicktohide
From Facebook Developer Wiki
This is an element of DynamicFBML/Visibility
This will hide the specified ids when the object is clicked. (display:"")
<a href="#" clicktohide="id1,id2,id3">
Also see clicktoshow, clicktotoggle
This will hide the specified ids when the object is clicked. (display:"")
<a href="#" clicktohide="id1,id2,id3">
Also see clicktoshow, clicktotoggle