touch.js

$this.on('mouseover touchstart mouseout touchend click focus blur keypress', function(e) {
  var type = e.type;
  e.preventDefault();

  switch (type) {
    case 'touchstart':
      mapOver($this, img, type);
      mapClick($this, img);
      break;
    case 'touchend':
      // mapOut($this,img);
      break;
    case 'mouseout':
    case 'blur':
      mapOut($this, img);
      break;
    case 'mouseover':
    case 'focus':
      mapOver($this, img);
      break;
    case 'click':
    case 'keypress':
      if (trigger == 'click') {
        mapClick($this, img);
      }
      if (e.which === 13) {
        mapClick($this, img);
      }
      break;
  }
});