$(document).ready(function(){
	// - if the page height is greater than the total browser height
	if($(document).height() >= $(window).height()) {
		// - show the scroll to top link
		$('.scrollTop').removeClass('displayNone');
	} else {
		// - don't show the scroll to top link
		$('.scrollTop').addClass('displayNone');
	}
	$('.scrollTop').click(function(){
		$('html, body').animate({scrollTop:0}, 500, 'linear');
		//alert(' window height is ' + $(window).height());   // returns height of browser viewport
		//alert(' document height is ' + $(document).height()); // returns height of HTML document
	});

	

});


function currentYear() {
	var d = new Date();
	document.write(d.getFullYear());

}