function showCategory(d) {
	var name = "catdesc_" + d;
	$(name).show();
}
function hideCategory(d) {
	var name = "catdesc_" + d;
	$(name).hide();
}
Event.observe(window, 'load', function() {
	
	$$('div.catdesc').each(function(n) {
			n.hide();													 
	});

});