function add_favorite(id) {
    $.ajax({
        url: "/ajax/add_favorite/",
        data: {"id": id},
        dataType: 'json',
        async: false,
        cache: false,
        error: function(){},
        success: function(rs){
        	if (rs.result == 'OK') {
				$("#favorite_number").html(rs.counter) ;
        		$.cookie('favorite', rs.hash, { path: '/', expires: 1000 }); 
        	}
		}
    });
	}

	    
function remove_favorite(id) {
    $.ajax({
        url: "/ajax/remove_favorite/",
        data: {"id": id},
        dataType: 'json',
        async: false,
        cache: false,
        error: function(){},
        success: function(rs){
        	if (rs.result == 'OK') {
        		$("#favorite_number").html(rs.counter) ; 
        	}
/*        	if (rs.delete == 'YES') {
        		//NOT NECESSARY $.cookie('favorite', null, { path: '/' });
        	}
*/
		}
    });
}