window.onload = function () {
	setTopMargin();
	window.onresize = function () {
		setTopMargin();
	}
}
function setTopMargin () {
	var h = getHeight();
	h = h / 2 - 266;
	if ( h < 0 ) { h = 0 };
	document.getElementById('fcontainer').style.margin = h+'px auto 2px auto';
}
function getHeight() {
	var ua = navigator.userAgent;
	var nHeight;
	var isMSIE = ua.indexOf("MSIE");
	var bVer = ua.substr(isMSIE+5, 1);
	var bStd = (document.compatMode && document.compatMode=="CSS1Compat");
	if (isMSIE >= 0) {
		if ((bVer == '6' || bVer == '7') && bStd) {
			nHeight = document.documentElement.clientHeight;
		} else {
			nHeight = document.body.clientHeight;
		}
	} else {
		nHeight = window.innerHeight;
	}
	return nHeight;
}