var isOver = false;

function over() {
	isOver = true;
}

function out() {
	isOver = false;
}

function show_archive_nav() {
	var d = $('newsArchiveDiv');
	d.style.display = '';
	Position.absolutize(d);
	d.style.width = '478px';
	document.onmousedown = function() {
		if (!isOver) {
			d.style.display = 'none';
			document.onmousedown = false_function();
		}
	}
}

function select_all(link) {
	var div = link.parentNode;
	var checkBoxes = div.getElementsByTagName('input');
	for (var i = 0; i < checkBoxes.length; i++) {
		checkBoxes[i].checked = true;
	}
}

function select_none(link) {
	var div = link.parentNode;
	var checkBoxes = div.getElementsByTagName('input');
	for (var i = 0; i < checkBoxes.length; i++) {
		checkBoxes[i].checked = false;
	}
}

function toggleCategories() {
	Element.toggle($('categoryContainer'));
}