not odd at all. the idea is to protect the population living on the coastal plain.that can only be done by making sure there is only one fighting force between the sea and the jordan river.that is what the idf wants. the hills of judea control the region.israel cannot afford to see others sitting on those hills.
Two killed as Indian and Pakistani border guards trade gunfire (AP)
from the article: Haaretz exclusive: Olmert's plan for peace with the Palestinians