function showRegion(carry) {
	try {
		document.getElementById('siteselector_main').style.visibility = "hidden";
		document.getElementById('siteselector_north').style.visibility = "hidden";
		document.getElementById('siteselector_europe').style.visibility = "hidden";
		document.getElementById('siteselector_latin').style.visibility = "hidden";
		document.getElementById('siteselector_aaa').style.visibility = "hidden";
		document.getElementById('siteselector_'+carry).style.visibility = "visible";
	
		if( (navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) ) {
			if (carry != 'main') {
				showOverlay(carry);
			}
		}
	} catch (e) {
		alert('showRegion('+carry+'): ' + e.lineNumber + ': ' + e.message);
	}
}
	
	
function showOverlay(carry) {
	try {
		document.getElementById('siteselector_overlay_'+carry).style.display = "block";
	} catch (e) {
		alert('showOverlay('+carry+'): ' + e.lineNumber + ': ' + e.message);
	}
}
	
	
function hideOverlay(carry) {
	try {
		document.getElementById('siteselector_overlay_'+carry).style.display = "none";
		showRegion('main');
	} catch (e) {
		alert('hideOverlay('+carry+'): ' + e.lineNumber + ': ' + e.message);
	}
}