aFarkas

(function () {
	var
	documentElement = document.documentElement,
	viewportFontSize, viewportHeight, viewportIsPortrait, viewportMax, viewportMin, viewportWidth;

	function getViewportFontSize() {
		var
		body = documentElement.appendChild(document.createElement('body')),
		iframe = document.createElement('iframe'),
		iframeDocument;