Flash MX 2004.
library.addItemToDocument(position [, namePath])
position A point that specifies the x,y position of the center of the item on the Stage.
namePath A string that specifies the name of the item. If the item is in a folder, you can specify its name and path using slash notation. If namePath is not specified, the current library selection is used. This parameter is optional.
A Boolean value: true if the item is successfully added to the document; false otherwise.
Method; adds the current or specified item to the Stage at the specified position.
The following example adds the currently selected item to the Stage at the (3, 60) position:
fl.getDocumentDOM().library.addItemToDocument({x:3, y:60});
The following example adds the item Symbol1 located in folder1 of the library to the Stage at the (550, 485) position:
fl.getDocumentDOM().library.addItemToDocument({x:550.0, y:485.0}, "folder1/Symbol1");