function toggleSearchBox() {
	box = $("searchBox");
	
	if(box.value.empty())
		box.value = "search";
	else if(box.value == "search")
		box.value = "";
}

Event.observe(window, "load", function() {
	toggleSearchBox();
	Event.observe("searchBox", "focus", toggleSearchBox);
	Event.observe("searchBox", "blur", toggleSearchBox);
});