initNavIE = function() {
	if (document.all && document.getElementById) {
		nav_root = document.getElementById("nav").firstChild;
		for (i = 0; i < nav_root.childNodes.length; i++) {
			node = nav_root.childNodes[i];
			if (node.id && node.id.indexOf("nav_") != -1) {
				node.onmouseover = function() {
					this.className += " over";
					// hack for IE6 and the page_top select
					if (this.id == "nav_about") if (pt = document.getElementById("page_top")) pt.style.visibility = "hidden";
				}
				node.onmouseout = function() {
					this.className = this.className.replace(" over", "");
					// hack for IE6 and the page_top select
					if (this.id == "nav_about") if (pt = document.getElementById("page_top")) pt.style.visibility = "visible";
				}
			}
		}
	}
}
window.onload = initNavIE;