function setupFixedButton() {
	var onScrollFunction = function(){
		var scrollTop = $(window).scrollTop();
		$('#fixedOrderButton').each(function() {
			var button = null;
			$(this).find('.fixedButton').each(function() {
				button = this;
			});
			var bottomPadding = null;
			$(this).find('.bottomPadding').each(function() {
				bottomPadding = this;
			});
			var y = 1;
			var point = document.getElementById('fixedOrderButtonDisplayPoint');
			if (point) {
				y = $(point).offset().top;
			}
			var scrollTop = $(window).scrollTop();
			if(scrollTop < y) {
				this.className = '';
			} else {
				this.className = 'display';
				if (bottomPadding && button) {
					bottomPadding.style.height = ($(button).innerHeight()+44)+'px';
				}
			}
		});
	}
	onScrollFunction();
	$(document).on('scroll', onScrollFunction);
}

$(function() {
	setupFixedButton();
});