An ultra-Orthodox Jewish man passes a billboard with several elections posters proclaiming, 'Just Not Olmert,' in Jerusalem on Wednesday, 22 March 2006, less that a week before Israel's general election. The negative campaign poster is in reference to Israeli acting Prime Minister Ehud Olmert who heads the new, centrist Kadima party and is expected to win the election, according to all recent polls. It is not known who, or which party paid for the production of this negative campaign poster. Photo by Olivier Fitoussi / Flash90

An old Jewish man passes a billboard with several elections posters proclaiming, 'Just Not Olmert,' in Jerusalem on Wednesday, 22 March 2006, less that a week before Israel's general election. The negative campaign poster is in reference to Israeli acting Prime Minister Ehud Olmert who heads the new, centrist Kadima party and is expected to win the election, according to all recent polls. It is not known who, or which party paid for the production of this negative campaign poster. Photo by Olivier Fitoussi / Flash90

Israeli Labor party leader Amir Peretz sits in a city center restaurant famous for its Hummus, during his election campaign tour of Jerusalem, 21 March 2006. Israel's general election campaign entered its final week today with opposition challengers buoyed by a new poll which showed a significant drop in support for the ruling Kadima party. Photo by Nati shohat /Flash90

Security surrounds Labour party leader Amir Peretz during his election campaign tour of Jerusalem, March 21, 2006. Israel's general election campaign entered its final week today with opposition challengers buoyed by a new poll which showed a significant drop in support for the ruling Kadima party. (C) rides a passenger bus through central Jerusalem as a security agent (R) speaks into a small microphone while keeping watch on passengers on Tuesday, 21 March 2006, during a campaign tour one week prior to Israel's general election. A short while later Israeli police captured a van on the main Jerusalem - Tel Aviv highway with some 10 Palestinians and a suicide bomber's belt containing 5 kilos (11 pounds) of explosives. Photo by Olivier Fitoussi /Flash90

Israeli Labor party leader Amir Peretz passes a billboard of posters of himself as he makes a walking campaign tour of central Jerusalem on Tuesday, March 21, 2006, one week prior to Israel's general election. Photo by Olivier Fitoussi /Flash90

Security surrounds Labour party leader Amir Peretz during his election campaign tour of Jerusalem, 21 March 2006. Israel's general election campaign entered its final week today with opposition challengers buoyed by a new poll which showed a significant drop in support for the ruling Kadima party. Photo by Olivier Fitoussi /Flash90

Security surrounds Labor party leader Amir Peretz while he sits at a cafe in the German Colony of Jerusalem during his election campaign, 21 March 2006. Israel's general election campaign entered its final week today with opposition challengers buoyed by a new poll which showed a significant drop in support for the ruling Kadima party. Photo by Yossi Zamir /Flash90

Ultra orthodox man stands in the city center behind a poster of Labor party leader Amir Peretz during his election campaign, 21 March 2006. Israel's general election campaign entered its final week today with opposition challengers buoyed by a new poll which showed a significant drop in support for the ruling Kadima party. Photo by Nati Shohat /Flash90

**FILE**GAZA CITY, GAZA STRIP - March 21 2006: Chickens and goslings are sold by a vendor at the Palestinian popular Firas market in Gaza City March 21, 2006, in Gaza Strip The Palestinian health service was placed on a state of alert in the wake of the outbreak of bird flu in Israel , prime minister Ahmed Qorei announced. Photo by Ahmad Khateib / Flash90

**FILE**GAZA CITY, GAZA STRIP - March 21 2006: Home-dove are sold by a vendor at the Palestinian popular Firas market in Gaza City March 21, 2006, in Gaza Strip The Palestinian health service was placed on a state of alert in the wake of the outbreak of bird flu in Israel , prime minister Ahmed Qorei announced. Photo by Ahmad Khateib/ Flash90

**FILE**GAZA CITY, GAZA STRIP - March 21 2006: Chickens goslings are sold by a vendor at the Palestinian popular Firas market in Gaza City March 21, 2006, in Gaza Strip The Palestinian health service was placed on a state of alert in the wake of the outbreak of bird flu in Israel , prime minister Ahmed Qorei announced. Photo by Ahmad Khateib/ Flash90

**FILE 2006** Portrait of Rabbi Ovadia Yosef. March 22, 2006. Photo by Flash90