if (document.images) {
btn01on = new Image(99,30);btn01on.src = "../images/btn01_ov.jpg";
btn02on = new Image(100,30);btn02on.src = "../images/btn02_ov.jpg";
btn03on = new Image(100,30);btn03on.src = "../images/btn03_ov.jpg";
btn04on = new Image(100,30);btn04on.src = "../images/btn04_ov.jpg";
btn05on = new Image(100,30);btn05on.src = "../images/btn05_ov.jpg";
btn06on = new Image(100,30);btn06on.src = "../images/btn06_ov.jpg";
btn07on = new Image(100,30);btn07on.src = "../images/btn07_ov.jpg";
btn08on = new Image(99,30);btn08on.src = "../images/btn08_ov.jpg";
menubtn01on = new Image(70,30);menubtn01on.src = "../images/menubtn01_ov.gif";
menubtn02on = new Image(70,30);menubtn02on.src = "../images/menubtn02_ov.gif";
menubtn03on = new Image(70,30);menubtn03on.src = "../images/menubtn03_ov.gif";
menubtn04on = new Image(70,30);menubtn04on.src = "../images/menubtn04_ov.gif";
dinnerbtn01on = new Image(150,45);dinnerbtn01on.src = "images/dinnerbtn01_ov.gif";
dinnerbtn02on = new Image(150,45);dinnerbtn02on.src = "images/dinnerbtn02_ov.gif";
dinnerbtn03on = new Image(150,45);dinnerbtn03on.src = "images/dinnerbtn03_ov.gif";
dinnerbtn04on = new Image(150,45);dinnerbtn04on.src = "images/dinnerbtn04_ov.gif";
lunchbtn01on = new Image(270,45);lunchbtn01on.src = "images/lunchbtn01_ov.gif";
lunchbtn02on = new Image(270,45);lunchbtn02on.src = "images/lunchbtn02_ov.gif";
partybtn01on = new Image(270,45);partybtn01on.src = "images/partybtn01_ov.gif";
partybtn02on = new Image(270,45);partybtn02on.src = "images/partybtn02_ov.gif";
partybtn03on = new Image(270,45);partybtn03on.src = "images/partybtn03_ov.gif";

btn01off = new Image(99,30);btn01off.src = "../images/btn01.jpg";
btn02off = new Image(100,30);btn02off.src = "../images/btn02.jpg";
btn03off = new Image(100,30);btn03off.src = "../images/btn03.jpg";
btn04off = new Image(100,30);btn04off.src = "../images/btn04.jpg";
btn05off = new Image(100,30);btn05off.src = "../images/btn05.jpg";
btn06off = new Image(100,30);btn06off.src = "../images/btn06.jpg";
btn07off = new Image(100,30);btn07off.src = "../images/btn07.jpg";
btn08off = new Image(99,30);btn08off.src = "../images/btn08.jpg";
menubtn01off = new Image(70,30);menubtn01off.src = "../images/menubtn01.gif";
menubtn02off = new Image(70,30);menubtn02off.src = "../images/menubtn02.gif";
menubtn03off = new Image(70,30);menubtn03off.src = "../images/menubtn03.gif";
menubtn04off = new Image(70,30);menubtn04off.src = "../images/menubtn04.gif";
dinnerbtn01off = new Image(150,45);dinnerbtn01off.src = "images/dinnerbtn01.gif";
dinnerbtn02off = new Image(150,45);dinnerbtn02off.src = "images/dinnerbtn02.gif";
dinnerbtn03off = new Image(150,45);dinnerbtn03off.src = "images/dinnerbtn03.gif";
dinnerbtn04off = new Image(150,45);dinnerbtn04off.src = "images/dinnerbtn04.gif";
lunchbtn01off = new Image(270,45);lunchbtn01off.src = "images/lunchbtn01.gif";
lunchbtn02off = new Image(270,45);lunchbtn02off.src = "images/lunchbtn02.gif";
partybtn01off = new Image(270,45);partybtn01off.src = "images/partybtn01.gif";
partybtn02off = new Image(270,45);partybtn02off.src = "images/partybtn02.gif";
partybtn03off = new Image(270,45);partybtn03off.src = "images/partybtn03.gif";
}

function turnOn(imageName) {
if (document.images) {
document[imageName].src = eval(imageName + "on.src");
  }	
}

function turnOff(imageName) {
if (document.images) {
document[imageName].src = eval(imageName + "off.src");
  }
}