Link two sequence diagrams

[deenig2]

Hi,

I have a very complex process, the result of which is the sequence diagram will span to mutiple pages both L2R and T2B. I want to avoid this, also want depecit the high level calls only in seqDiagram and link the details within this call another sequence diagram.

I would not think that this is a "Fragment" can achieve this as the calls are detailed to other objects. and Goal is to make the diagram Easy to read, but have Enough details ( if some one  wanna refer ) See the image attached.. which should tell logically what i'm looking to achieve
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!!! sorry couldnt paste image.. I have the jpg, image file I can send it.
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Thanks !
Dhiraj
'New Thoughts on design are always Welcome'