function favorites_add(id) {
	new Ajax.Updater('fav','../favorites.php?add&venue_id='+id,{method: 'get'});
	document.getElementById('fav_icon').src='http://www.viatribe.com/img/venue/heart_red.png';
}

function favorites_del(id) {
	new Ajax.Updater('fav','../favorites.php?del&venue_id='+id,{method: 'get'});
	document.getElementById('fav_icon').src='http://www.viatribe.com/img/venue/heart.png';
}