code: function(params){
  			
  			// callbacks (if passed)
  			var before_close = ($.isFunction(params.before_close)) ? params.before_close : function(){};
  			var after_close = ($.isFunction(params.after_close)) ? params.after_close : function(){};
  			
  			var wrap = $('#gritter-notice-wrapper');
  			before_close(wrap);
  			wrap.fadeOut(function(){
  				$(this).remove();
  				after_close();
  			});
  		
  		}
docs: Bring everything to a halt
  @param {Object} params A list of callback functions to pass when all notifications are removed