// navigation mouseovers

if (document.images) {
image01a = new Image;
image01b = new Image;
image01a.src = 'images/Button-3-Speak.png';
image01b.src = 'images/Button-3-Speak-On.png';
image02a = new Image;
image02b = new Image;
image02a.src = 'images/Button-3-BuyNow.png';
image02b.src = 'images/Button-3-BuyNow-On.png';
image03a = new Image;
image03b = new Image;
image03a.src = 'images/Button-3-Contact.png';
image03b.src = 'images/Button-3-Contact-On.png';

} else {
image01a = '';
image01b = '';
document.rollimg01 = '';
image02a = '';
image02b = '';
document.rollimg02 = '';
image03a = '';
image03b = '';
document.rollimg03 = '';
}