js/stylish-portfolio.js
function(event) {
  var that = $(this);
  that.on('click', onMapClickHandler);
  that.off('mouseleave', onMapMouseleaveHandler);
  that.find('iframe').css("pointer-events", "none");
}
function(event) {
  var that = $(this);
  that.on('click', onMapClickHandler);
  that.off('mouseleave', onMapMouseleaveHandler);
  that.find('iframe').css("pointer-events", "none");
}
Disable Google Maps scrolling See http://stackoverflow.com/a/25904582/1607849 Disable scroll zooming and bind back the click event