Event.observe(window, 'load', initSubDocuments);

function initSubDocuments() {
	Element.addClassName($('subdocuments'), 'effect-enabled');
	var subdocuments = $$('#subdocuments dl');
	subdocuments.each(function(node) {
		Element.hide(node.childNodes[2]);
		Event.observe(node, 'mouseover', function(e) {
			Element.show(node.childNodes[2]);
			Element.hide(node.childNodes[1]);
		});
		Event.observe(node, 'mouseout', function(e) {
			Element.hide(node.childNodes[2]);
			Element.show(node.childNodes[1]);
		});
	});
}