function initGUI() {
	var t = document.getElementById('container');
	var top = getHeight() / 2 - 300;
	if (top < 0) top = 0;
	t.style.paddingTop = Math.round(top) + "px";
	new Effect.Appear('container');
}

function getHeight() {
	var x,y;
	if (self.innerHeight) { // all except Explorer
		x = self.innerWidth;
		y = self.innerHeight;
	}	else if (document.documentElement && document.documentElement.clientHeight) {
		// Explorer 6 Strict Mode
		x = document.documentElement.clientWidth;
		y = document.documentElement.clientHeight;
	}	else if (document.body) { // other Explorers
		x = document.body.clientWidth;
		y = document.body.clientHeight;
	}
	return y;
}