document.images["image"]=new Image()
document.images["image"].src="gifs/right_note.gif"
document.images["image2"]=new Image()
document.images["image2"].src="gifs/record.gif"
document.images["image3"]=new Image()
document.images["image3"].src="gifs/coughing_dog.gif"

<!-- function to change images on mouse over -->

function Images(image1) {
document['image'].src=image1;
}
function Images2(image1) {
document['image2'].src=image1;
}
function Images3(image1) {
document['image3'].src=image1;
}