toggleTwoPane = function(id) {
	obj1 = document.getElementById("cp1" + id);
	obj2 = document.getElementById("cp2" + id);
	obj1.style.display = (obj1.style.display == "none") ? "block" : "none";
	obj2.style.display = (obj2.style.display == "none") ? "block" : "none";
}