function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}

function f_clientWidth() {
	return f_filterResults (
		window.innerWidth ? window.innerWidth : 0,
		document.documentElement ? document.documentElement.clientWidth : 0,
		document.body ? document.body.clientWidth : 0
	);
}
function f_clientHeight() {
	return f_filterResults (
		window.innerHeight ? window.innerHeight : 0,
		document.documentElement ? document.documentElement.clientHeight : 0,
		document.body ? document.body.clientHeight : 0
	);
}

	function sizecheck() {
		var winW = 630, winH = 460;
		winW = f_clientWidth();
		winH = f_clientHeight();
		
		if (winH<680) {
		  return false;
		}
		else {
		  return true;
		}
	}

	function dosize() {
		h = f_clientHeight();
		if (sizecheck()==true) {
			siteh = 769;
			document.getElementById('topbar').innerHTML = '&nbsp;';
			document.getElementById('topbar').style.height = "207px";
		}
		else {
			siteh = 561;
			document.getElementById('topbar').innerHTML = '';
			document.getElementById('topbar').style.height = "0px";
		}
		if (h>siteh) {
			marg = ((h-siteh)/2);
			document.getElementById('frame').style.marginTop = marg+"px";
		}
		else  document.getElementById('frame').style.marginTop = "0px";
	}