var pth= "../images/nav_";
// make sure these are in the same order as they appear in nav.inc
var imgArray = new Array('home', 'explore', 'act', 'news', 'register', 'contribute', 'about');
var imgOut = new Array();
var imgOver = new Array();

if (document.images){
	for (i=0;i<imgArray.length;i++){
		imgOut[i] = new Image();
		imgOut[i].src = pth + imgArray[i] + "_out.gif";
		imgOver[i] = new Image();
		imgOver[i].src = pth + imgArray[i] + "_over.gif";
	}
}

function rollOver(i){
	document.images[imgArray[i]].src = imgOver[i].src;
}

function rollOut(i){
	document.images[imgArray[i]].src = imgOut[i].src;
}

function newWin(URL) {
    newWin = window.open(URL, 'newWin', 'toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=650');
}     

function openWin(URL) {
    bioWin = window.open(URL, 'bioWin', 'toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=400,height=450,left=20,top=20');
}     

function openWin2(URL) {
    articleWin = window.open(URL, 'articleWin', 'toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=650,height=550,left=20,top=20');
}     

function openWin3(URL) {
    bookWin = window.open(URL, 'bookWin', 'toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=650,height=450,left=20,top=20');
}     

function openWin4(URL) {
    letterWin = window.open(URL, 'letterWin', 'toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=550,height=650,left=20,top=20');
}     

function openWin5(URL) {
    prWin = window.open(URL, 'prWin', 'toolbar=yes,location=yes,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=650,left=20,top=20');
}