var isMobile;

// Identify if visitor on mobile with lame sniffing to remove parallaxing title
if( navigator.userAgent.match(/Android/i) ||
	navigator.userAgent.match(/webOS/i) ||
	navigator.userAgent.match(/iPhone/i) ||
	navigator.userAgent.match(/iPod/i) ||
	navigator.userAgent.match(/iPad/i) ||
	navigator.userAgent.match(/BlackBerry/)
){
	isMobile = true;
}
var windowScroll;

function slidingTitle() {
	windowScroll = $(this).scrollTop();
	if (windowScroll >= 0 && windowScroll < ($('#wrapper').height() - $(window).height())) {
		$("#featuredContent").css({
			'margin-top' : -(windowScroll/4)+"px"
		});
		
		//Slowly parallax the background of .art-header
		$("#main").css({
			'background-position' : 'center ' + (-windowScroll/8)+"px"
		});
	}
}
$(window).scroll(function() {
	if (!isMobile) {
		slidingTitle();
	}
});