// JavaScript Document

function startList() {
	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", "");
				}
			}
		}
	}
}

// items[items.length] = startList;
var hoge_drop_down = window.onload;
window.onload = function() {
	if(hoge_drop_down != null) hoge_drop_down();
	startList();
}