$().ready(function()
{
	updateOrientation();
});
	
function updateOrientation()
{
	var width;
	switch (window.orientation)
	{
		case 0:
		case 180:
			width = 320;
			break;
		case 90:
		case -90:
			width = 480;
			break;
	}
	$('#wrapper').css({ width: width, height: 'auto' });
}