if (document.images) {
image9on = new Image(); image9on.src = "../boton91.gif";
imageAon = new Image(); imageAon.src = "../botonA1.gif";
image9off = new Image(); image9off.src = "../boton9.gif";
imageAoff = new Image(); imageAoff.src = "../botonA.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");}
}