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// to top button
$(function() {	

	var toTop = $('.to-top');
  
	$(window).scroll(function() {
	
		if( $(window).scrollTop() > 0 ) {
			$(toTop).show();
		} else {
			$(toTop).hide();
		}
		
	});

	$(toTop).click(function() {
		
		var body = $('html, body');
		
		if ( $(window).scrollTop() < ($(window).height() * 2) ) {
			body.animate({ scrollTop: 0 }, 800);
		} else {
			body.animate({ scrollTop: 0 }, 0);
		}
		
		return false;
	});
	
});