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

function focus_input() {
	var search_box = document.getElementById('key');
	search_box.style.border = "1px solid #6a6e00";
	search_box.style.background = "#faf5dc";
}

function unfocus_input() {
	var search_box = document.getElementById('key');
	search_box.style.border = "1px solid #a8af01";
	search_box.style.background = "#ffffff";
}