[CGM-to-HTML] The viewer shall load the document in the same frame as the one containing the CGM picture that refers to this target. This is the default for CGM-to-HTML links. [CGM-to-CGM] The viewer shall load the picture in the same frame as the one containing the CGM picture that refers to this target. [Behavior] 
_self
_ b l a n k
_ s e l f
_ p a r e n t
_ r e p l a c e
_ t o p
T a r g e t