function favourites(restaurant, el){
    advAJAX.get({
        url: '/20_Favourites,restaurant_id,'+restaurant,
        onSuccess: function(obj){
            eval(obj.responseText);
            if (data.error) {
				alert('Error:-(');
            }
            else {
				if(data.act == 'added') {
					el.innerHTML="Remove from favourites";
				} else {
					el.innerHTML="Add to favourites";
				}
            }
        }
    });
}