function openSidebarBox(id, link)
{
	// open/close the box
	$('#' + id).slideToggle('fast');

	// change to plus of minus
	status = changeOpenStatus(link);
	
	// set cookie
	$.cookie('ef_sidebar_' + id, status, { expires: 7 });
}

function changeOpenStatus(obj)
{
	obj.className = (obj.className == 'box-open') ? 'box-close' : 'box-open';
	
	return (obj.className == 'box-open') ? true : false;
}