How to return from WEBGUI to WDA?

Dear Experts,
i am in a tricky situation, and I hope you can help me with some wise advise. I have read dozens of threads, but still haven't found the absolute satisfying answer.
The requirements:
I am looking for a solution to call a SAP GUI Transaction (take SE11 as an example!) from WD abap program, and when SE11 is done than continue with WD.
This would be very good if the SE11 transaction would not open ina new browser, but the same as the one is used by WDA.
What I have until now:
First I have found a solutin with iViews: Re: Calling a transaction code , but we do not have Portal, so it is not an option unfortunately
Than found ITS WEBGUI : Re: To call standard tcode in webdynpro( thru webgui) : Assistance class This is good, but this solution calls Transaction in a separete new window.
So, I wanted to use suspend and resueme plugs to WEBGUI: http://help.sap.com/saphelp_nw70ehp1/helpdata/en/45/19bf8c16f25d7ae10000000a11466f/content.htm But as it is said there:
"It is more difficult to create a suspend call to a non-WDA application because modifications are also required in the secondary application."
So my questions are:
Is there any way to return/redirect from WEBGUI to the WD application from which it was called before? If yes, how?
Is there any better way (even if it is a tricky one) to fulfill the requirements above under the given circumstances?
Your help is very-very welcome and appreciated so much!
Thanks,
Gyula

Anu,
Please provide the basics about your environment like jdev version you are using...
Your jspx page home.jspx contains the task flow as region?
Or do you navigate from the jspx page to an other page?
Timo

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