initNav = function() {
	var dropWidth = 198;
	var navRoot = document.getElementById("nav");
	var lis = navRoot.getElementsByTagName("li");
	for (var i=0; i<lis.length; i++)
	{
		lis[i].onmouseover = function()
		{
			this.className += " hover";
		}
		lis[i].onmouseout = function()
		{
			this.className = this.className.replace("hover", "");
		}
		if (drop = lis[i].getElementsByTagName("div")[0])
		{
			drop.style.width = dropWidth * drop.getElementsByTagName("ul").length + "px";
		}
	}
}
if (window.addEventListener){
	window.addEventListener("load", initNav, false);
}
else if (window.attachEvent && !window.opera){
	window.attachEvent("onload", initNav);
}