[devote]

$.fn.informer = function(option){ 
    var settings=$.extend({ 
    alertMessage: 'Внимание!', 
    timeOut: 3000 
  }, option); 
      return this.each(function(){ 
        var self = this;
        $(this).html(settings.alertMessage); 
        setTimeout(function(){ 
          $(self).hide(); 
        }, settings.timeOut); 
    }); 
    }