navItem = new Array();
navItem[0] = new Image();
navItem[0].src = "../img/nav01.png";
navItem[1] = new Image();
navItem[1].src = "../img/nav02.png";
navItem[2] = new Image();
navItem[2].src = "../img/nav03.png";
navItem[3] = new Image();
navItem[3].src = "../img/nav04.png";

navItemOver = new Array();
navItemOver[0] = new Image();
navItemOver[0].src = "../img/nav01o.png";
navItemOver[1] = new Image();
navItemOver[1].src = "../img/nav02o.png";
navItemOver[2] = new Image();
navItemOver[2].src = "../img/nav03o.png";
navItemOver[3] = new Image();
navItemOver[3].src = "../img/nav04o.png";

function topNavOver(index){
	window.document.images["actnav" + index].src = navItemOver[index-1].src;
}

function topNavOut(index){
	window.document.images["actnav" + index].src = navItem[index-1].src;
}