function addOne(item) {

	var target;

	target = document.getElementById(item);

	target.style.display = "block";

	var link = document.getElementById('addOne');

	var next = Number(item) + 1;

	if (next < 6) {

		link.href = "javascript:addOne(" + next + ")";

	} else {

		link.style.display = 'none';

	}

}