function closeLastMinutesPopup()
{
	// determine expire; 24 hours
	var expire = new Date(),
	    today  = new Date();
	expire.setTime(today.getTime() + 86400000);

	// set cookie
	document.cookie = 'popupContentShowed=1;expires=' + expire.toGMTString() + ';path=/';

	// semi-close popup
	document.getElementById('lastMinutes').style.display = 'none';
}