nl_tokens: Searches an object for namespace string .
pl_tokens: function searchObj ( ns_string , objToSearch ) { var parts = ns_string . split ( '.' ) , parent = objToSearch , classOfObj = classOf ( objToSearch ) , i ; throwTypeErrorIfNotOfType ( 'sjl.searchObj' , 'ns_string' , ns_string , String ) ; if ( classOfObj !== _Object && objToSearch instanceof Function === false ) { throw new TypeError ( 'sjl.searchObj expects `objToSearch` to be of type object ' + 'or an instance of `Function`.  Type received: ' + classOfObj ) ; } for ( i = 0 ; i < parts . length ; i += 1 ) { if ( parts [ i ] in parent === <mask> || isUndefined ( parent [ parts [ i ] ] ) ) { parent = undefined ; break ; } parent = parent [ parts [ i ] ] ; } return parent ; }