Palestinian villagers collect sea water from the Mediterranean in a central Gaza beach January 24, 2010. REUTERS/Yannis Behrakis (GAZA - Tags: ENVIRONMENT SOCIETY)

Palestinian children play soccer in Khan Younis in the southern Gaza Strip January 31, 2010. Soccer has always been popular in the Gaza Strip but is overshadowed by intense focus on the Israeli-Palestinian conflict. REUTERS/Ibraheem Abu Mustafa (GAZA - Tags: POLITICS SPORT SOCCER)

A UN flag near where Palestinian Bedouin children stand outside their home, after floodwaters destroyed huts and agriculture in the Al Mughraka area, central Gaza Strip, Tuesday, Feb. 2, 2010. (AP Photo/ Hatem Moussa)

A Palestinian woman works in a field in the West Bank village of Al-Aqaba, near Jenin, Tuesday, Feb. 2, 2010. (AP Photo/Mohammed Ballas)

A Palestinian farmer prepares food for farm animals near his house in the West Bank village of Al-Aqaba near Jenin city, Tuesday, Feb. 2, 2010. (AP Photo/Mohammed Ballas)

A Palestinian youth waits for customers during a cloudy day next a road near the West Bank town of Hebron, Thursday, Feb. 4 2010. (AP Photo/Bernat Armangue)

A Palestinian heats glass with a blowpipe in a glass and ceramics factory in the West Bank town of Hebron, Thursday, Feb. 4 2010. (AP Photo/Bernat Armangue)

A Palestinian man blows a piece of glass in a glass and ceramics factory in the West Bank town of Hebron, Thursday, Feb. 4 2010. (AP Photo/Bernat Armangue)

Palestinian men paint pottery in a glass and ceramics factory in the West Bank town of Hebron, Thursday, Feb. 4 2010. (AP Photo/Bernat Armangue)

A Palestinian man paints pottery in a glass and ceramics factory in the West Bank town of Hebron, Thursday, Feb. 4 2010. (AP Photo/Bernat Armangue)

Palestinians and left-wing Israeli activists take part in a protest against Jewish settlement activity in the Sheikh Jarrah neighbourhood of Arab East Jerusalem January 29, 2010. REUTERS/Ronen Zvulun (JERUSALEM - Tags: CIVIL UNREST POLITICS)