nl_tokens: Add an event to an object and optionally adjust it s scope
pl_tokens: function ( obj , type , fn , scope ) { scope = scope || obj ; var wrappedFn = function ( e ) { fn . call ( scope , e ) ; } ; obj . addEventListener ( type , wrappedFn , false ) ; cache . <mask> ( [ obj , type , fn , wrappedFn ] ) ; }