Once a Mosque always a Mosque
"India Ayodhya mosque ruling on Thursday"
http://www.bbc.co.uk/news/world-south-asia-11425834
The time line is here....
http://news.bbc.co.uk/2/hi/south_asia/1844930.stm
Notice this goes back to 1526. The key question is "Was there a Hindu temple there before the Mosque was built?"
Whatever the judgment the "other side" will not be happy.