function toggleInternational() {
	$('ul#flaglist2, #fullOverlay').toggleClass('open');
}

function setViewport() {
	if (document.querySelector) {
		var viewport = document.querySelector("meta[name=viewport]");
		if (window.innerHeight >= window.innerWidth) { // portrait
			var w = screen.width;
		} else { // landscape
			var w = screen.height;
		}
		if (w > 1100) {
			contentWidth = 1100;
		} else {
			var contentWidth = (((w+50)/100)|0) * 100;
			if (contentWidth < 400) {
				contentWidth = 400;
			}
		}
		viewport.setAttribute('content', 'width='+contentWidth+', initial-scale='+(w/contentWidth)); // device width/content width
		document.body.style.backgroundColor = document.body.style.backgroundColor; // forces full screen redraw. (iOS has problems with clearing the frame buffer when changing content width on orientationchange)
	}
}

function addToCart(addURL, redirectURL) {
	$.ajax({
		url:addURL,
		context:document.body
	}).done(function(data, textStatus, jqXHR) {
		window.location.href = redirectURL;
	}).fail(function( jqXHR, textStatus, errorThrown ) {
		window.location.href = redirectURL; // go to redirect url on fail anyway 
	});
}

function setupNavTrigger() {
	var trigger = document.getElementById('trigger');
	var topnav = document.getElementById('topnav');
	$(trigger).on('click', function() {
		$(topnav).toggleClass('open');
	});
}

$(function() {
	if (window.addEventListener) {
		setViewport();
		window.addEventListener('orientationchange', setViewport);
	}
	setupNavTrigger();
});