function init() {
	if (!document.getElementById) return
	navDivs = document.getElementById("top-nav").getElementsByTagName('div');
	for (var i = 0; i < navDivs.length; i++) {
		navDivs[i].onmouseout = function() {this.className = "out";}
		navDivs[i].onmousedown = function() {this.className = "down";}
		navDivs[i].onmouseup = function() {this.className = "up";}
		navDivs[i].onmouseover = function() {dispMenu(this);}
	}
}

function dispMenu(el) { 
	/*** reset menu states ***/
	for (var i = 0; i < navDivs.length; i++) {
		var divID = navDivs[i].getAttribute('id');
		var subNavID = (divID+"_sub");
		navDivs[i].className = "out";
		document.getElementById(subNavID).style.display = "none";
	}
	var divID = el.getAttribute('id');
	var subNavID = (divID+"_sub");
	var menuDiv = document.getElementById(divID);
	menuDiv.onmouseout = function() {};
	menuDiv.className = 'over';
	document.getElementById(subNavID).style.display = "block";
}

function setStyle(size) {
	document.getElementById("story").style.fontSize = size;
}

onload=init;