{
rolllink1 = new Image();
rolllink1.src = "images/aboutusbuttonon.gif";
rolllink2 = new Image();
rolllink2.src = "images/clampsbuttonon.gif";
rolllink3 = new Image();
rolllink3.src = "images/contactusbuttonon.gif";
rolllink4 = new Image();
rolllink4.src = "images/electrodesbuttonon.gif";
rolllink5 = new Image();
rolllink5.src = "images/featbuttonon.gif";
rolllink6 = new Image();
rolllink6.src = "images/foundrybuttonon.gif";
rolllink7 = new Image();
rolllink7.src = "images/hotrodbuttonon.gif";
rolllink8 = new Image();
rolllink8.src = "images/systembuttonon.gif";
rolllink9 = new Image();
rolllink9.src = "images/torchesbuttonon.gif";
link1 = new Image();
link1.src = "images/aboutusbuttonoff.gif";
link2 = new Image();
link2.src = "images/clampsbuttonoff.gif";
link3 = new Image();
link3.src = "images/contactusbuttonoff.gif";
link4 = new Image();
link4.src = "images/electrodesbuttonoff.gif";
link5 = new Image();
link5.src = "images/featbuttonoff.gif";
link6 = new Image();
link6.src = "images/foundrybuttonoff.gif";
link7 = new Image();
link7.src = "images/hotrodbuttonoff.gif";
link8 = new Image();
link8.src = "images/systembuttonoff.gif";
link9 = new Image();
link9.src = "images/torchesbuttonoff.gif";
}

function imageRoll(id,roll)
{
     document.images[id].src = eval(roll + ".src");
}