Noam Shalit, father of captured Israeli soldier Gilad Shalit, stands in a protest tent set up in support of his and his wife Aviva's (C) son, outside Israeli Prime Minister Benjamin Netanyahu's residence in Jerusalem. Noam and Aviva, together with thousands of supporters, finished a cross-country 12-day march a few days ago, campaigning for the release of their son who has been held captive by the Hamas for four years. July 15, 2010. Photo by Miriam Alster/FLASH90

A young girl wears a cap with a picture of captured Israeli soldier Gilad Shalit and reading "Gilad is still alive" as she stands outside a protest tent set up in support Gilad outside Israeli Prime Minister Benjamin Netanyahu's residence in Jerusalem. Gilad has been held captured in Gaza by the militant Hamas group for mroe than four years. July 15, 2010. Photo by Miriam Alster/FLASH90

Supporters have signed a large poster reading 'Gilad' and showing a picture of captured Israeli soldier Gilad Shalit hanging outside a protest tent set up in support of Shalit outside Israeli Prime Minister Benjamin Netanyahu's residence in Jerusalem. Gilad has been held captured in Gaza by the militant Hamas group for mroe than four years. July 15, 2010. Photo by Miriam Alster/FLASH90