//Script for mouseover images.  Images can be declared in head of document
//or hardcoded into script for preloading.

//declare variables

var original = new Array();
var mouseover = new Array();
var mousedown = new Array();
var loaded = (!(navigator.userAgent.indexOf("Netscape6")+1));

//hardcoded values for names array

var names = new Array('home','catalog','registration','reporting','pubs','links','dl2','usafsos','security','dl','research','research2','oew');


//pre-load all mouseover images

if (document.images) {
	for (i=0;i<names.length;i++) {
		original[i] = new Image;
		original[i].src = base + names[i] + ".gif";
		mouseover[i] = new Image;
		mouseover[i].src = base + names[i] + "_h.gif";
			if (names[i] == 'oew') {
				mousedown[i] = new Image;
				mousedown[i].src = base + names[i] + "_dn.gif";
			}
		}
	}

//mouseover function

function over(no) {
	if (document.images) {
		document.images[names[no]].src = mouseover[no].src;
	}
}
	
//mouseout function

function out(no) {
	if (document.images) {
		document.images[names[no]].src = original[no].src;
	}
}

function down(no) {
	if (document.images) {
		document.images[names[no]].src = mousedown[no].src;
	}
}

function showMenu() {
	document.getElementById("milonlymenu").style.visibility = "visible";
}

function hideMenu() {
	document.getElementById("milonlymenu").style.visibility = "hidden";
}