pulse.js

  App.pulse = function(){
    var element = arguments[0];
    var options = arguments[1] || {};
    var n = options.n || App.pulse.n;
    var speed = options.speed || App.pulse.speed;
    element = jq(element);
    element.fadeout = function(){ element.fadeTo(speed, 0.33, element.fadein); };
    element.fadein = function(){ element.fadeTo(speed, 1.00); --n > 0 && element.fadeout(); };
    var id = setTimeout( element.fadeout, speed );
    return(id);
  };
  App.pulse.n = 3;
  App.pulse.speed = 2000;