var FavoriteManager = function() {
	this.addFavorite = function(id, callback) {
		var str = 'cmd=add&time=' + getDummyTime() + '&id=' + id; 
		$.getJSON("/favorite", str, callback);
	}

	this.deleteFavorite = function(id, callback) {
		var str = 'cmd=delete&time=' + getDummyTime() + '&id=' + id; 
		$.getJSON("/favorite", str, callback);
	}

	this.clearFavorites = function(callback) {
		var str = 'cmd=clear&time=' + getDummyTime(); 
		$.getJSON("/favorite", str, callback);
	}

	this.loadFavorites = function(callback) {
		var str = 'cmd=load&time=' + getDummyTime(); 
		$.getJSON("/favorite", str, callback);
	}

	function getDummyTime()
	{
		var dmyDate = new Date();
		return dmyDate.getTime();
	}
}