Javascript: iPad Orientation and scale, ref: http://adactio.com/journal/4470/

gistfile1.txt

// iPad Orientation and scale , ref: http://adactio.com/journal/4470/
if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPad/i)) {
	var viewportmeta = document.querySelector('meta[name="viewport"]');
	if (viewportmeta) {
		viewportmeta.content = 'width=device-width, minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0';
		document.body.addEventListener('gesturestart', function () {
		viewportmeta.content = 'width=device-width, minimum-scale=0.25, maximum-scale=1.6';
	}, false);
	}
}