/*
startList = function() {
	if (document.all&&document.getElementById) {
	navRoot = document.getElementById("nav");
	for (i=0; i<navRoot.childNodes.length; i++) {
	node = navRoot.childNodes[i];
	if (node.nodeName=="li") {
	node.onmouseover=function() {
	this.className+=" over";
	}
	node.onmouseout=function() {
	this.className=this.className.replace(" over", "");
	}
	}
	}
	}
}
window.onload=startList;
*/

sfHover = function() {
    var sfEls = document.getElementById("nav").getElementsByTagName("li");
    for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
            this.className+=" hover";
        }
        sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" hover\\b"), "");
        }
    }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

/* http://www.cssnewbie.com/easy-css-dropdown-menus/ */