// pre-cache off
var offImgArray = new Array();
offImgArray[0] = new Image();
offImgArray[1] = new Image();
offImgArray[2] = new Image();
offImgArray[3] = new Image();
offImgArray[4] = new Image();
offImgArray[5] = new Image();
offImgArray[6] = new Image();
offImgArray[7] = new Image();
offImgArray[8] = new Image();
offImgArray[9] = new Image();
offImgArray[10] = new Image();

offImgArray[0].src = "http://www.woodloch.com/hero/images/menu/home.gif";
offImgArray[1].src = "http://www.woodloch.com/hero/images/menu/contact.gif";
offImgArray[2].src = "http://www.woodloch.com/hero/images/menu/sitemap.gif";
offImgArray[3].src = "http://www.woodloch.com/hero/images/menu/resort.gif";
offImgArray[4].src = "http://www.woodloch.com/hero/images/menu/dine.gif";
offImgArray[5].src = "http://www.woodloch.com/hero/images/menu/corp.gif";
offImgArray[6].src = "http://www.woodloch.com/hero/images/menu/groups.gif";
offImgArray[7].src = "http://www.woodloch.com/hero/images/menu/golfski.gif";
offImgArray[8].src = "http://www.woodloch.com/hero/images/menu/info.gif";
offImgArray[9].src = "http://www.woodloch.com/hero/images/menu/directions.gif";
offImgArray[10].src = "http://www.woodloch.com/hero/images/menu/deals.gif";

// pre-cache on
var onImgArray = new Array();
onImgArray[0] = new Image();
onImgArray[1] = new Image();
onImgArray[2] = new Image();
onImgArray[3] = new Image();
onImgArray[4] = new Image();
onImgArray[5] = new Image();
onImgArray[6] = new Image();
onImgArray[7] = new Image();
onImgArray[8] = new Image();
onImgArray[9] = new Image();
onImgArray[10] = new Image();

onImgArray[0].src = "http://www.woodloch.com/hero/images/menu/home.gif";
onImgArray[1].src = "http://www.woodloch.com/hero/images/menu/contact.gif";
onImgArray[2].src = "http://www.woodloch.com/hero/images/menu/sitemap.gif";
onImgArray[3].src = "http://www.woodloch.com/hero/images/menu/resorton.gif";
onImgArray[4].src = "http://www.woodloch.com/hero/images/menu/dineon.gif";
onImgArray[5].src = "http://www.woodloch.com/hero/images/menu/corpon.gif";
onImgArray[6].src = "http://www.woodloch.com/hero/images/menu/groupson.gif";
onImgArray[7].src = "http://www.woodloch.com/hero/images/menu/golfskion.gif";
onImgArray[8].src = "http://www.woodloch.com/hero/images/menu/infoon.gif";
onImgArray[9].src = "http://www.woodloch.com/hero/images/menu/directionson.gif";
onImgArray[10].src = "http://www.woodloch.com/hero/images/menu/dealson.gif";

function imageOn(i) {
 document.images["opt"+i].src = onImgArray[i].src;
}

function imageOff(i) {
 document.images["opt"+i].src = offImgArray[i].src;
}