Tree Mnue from DataBase

Hi 

i have build function to get daynamic mnue from DB    and  give tree style within function ,  then view it   viewpage  like this 

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but i have an problem when i redirect fro page to other page  the TreeMnue render again from the first so if i was opened an sub sub sub mnue and i  want when i trnsfter to other page the sub sub sum mnue be expand as previous page 

Note : the viewpage at layout , but each time u call an page the render it .