counter.js

$(window).scroll(function(){
    var a = 0;
			
					    var oTop = $(".counter-container").offset().top - window.innerHeight;
					    if (a == 0 && $(window).scrollTop() > oTop) {
					        
					      $('.number-title').each(function () {
							  var $this = $(this);

							  jQuery({ Counter: 0 }).animate({ Counter: $this.attr("data-counter") }, {
							    duration: 2000,
							    easing: 'swing',
							    step: function () {
							    	var sign_ = $this.text();
							    	var suffix = ( !FX.CounterJS.isNumber( sign_ ) ) ?  sign_ : '';
							      	$this.text(Math.ceil(this.Counter).toLocaleString() + sign_.substring(sign_.length - 1));
							    }
							  });
							});
					        a = 1;
					 }

});