Image1 = new Image(141,110)
Image1.src = "images/newover.jpg"

Image2 = new Image(141,110)
Image2.src = "images/serveover.jpg"

Image3 = new Image(141,110)
Image3.src = "images/smallover.jpg"

Image4 = new Image(141,110)
Image4.src = "images/whatover.jpg"

Image5 = new Image(141,110)
Image5.src = "images/whoover.jpg"

Image6 = new Image(141,110)
Image6.src = "images/links.jpg" 

function roll1() {
document.links.src = Image5.src; return true;
}

function roll2() {
document.links.src = Image4.src; return true;
}

function roll3() {
document.links.src = Image3.src; return true;
}

function roll4() {
document.links.src = Image2.src; return true;
}

function roll5() {
document.links.src = Image1.src; return true;
}

function original() {
document.links.src = Image6.src; return true;
}