function getheight() {
	var heights = new Array(window.innerHeight, document.documentElement.clientHeight, document.body.clientHeight);
	//if b is bigger move it up
	heights.sort(function(a,b){ return b-a; });
	//http://www.softcomplex.com/docs/get_window_size_and_scrollbar_position.html
	return heights[0];
}
function size() {
	fontsize = .95*getheight();
	fontsize.toString();
	document.getElementsByTagName("style")[0].innerHTML = "#time {margin: auto; text-align: center; font-size: " + fontsize + "px; }";
}