content

function showInViewport(elem, offset) {
	if (document.documentElement.getBoundingClientRect) {
		var left = parseInt(elem.css('left'), 10),
			top = parseInt(elem.css('top'), 10);
		elem.css('visibility', 'hidden').show();

		var rect = elem[0].getBoundingClientRect();
		if (rect.left < offset)
			elem.css('left', offset - rect.left + left);
		else if (rect.right > window.innerWidth - offset)
			elem.css('left', window.innerWidth - rect.right - offset + left);

		if (rect.top < offset)
			elem.css('top', offset - rect.top + top);
		else if (rect.bottom > window.innerHeight - offset)
			elem.css('top', window.innerHeight - rect.bottom - offset + top);

		elem.hide().css('visibility', 'visible');
	}
	elem.fadeIn(fadeSpeed);
}