

<!--
if (document.images) {

excavatorson = new Image(250, 188);
excavatorson.src = "picts/excavatorson.jpg";
excavatorsoff = new Image(250, 188);
excavatorsoff.src = "picts/excavatorsoff.jpg";

wheelon = new Image(250, 188);
wheelon.src = "picts/wheelon.jpg";
wheeloff = new Image(250, 188);
wheeloff.src = "picts/wheeloff.jpg";

dozeron = new Image(250, 188);
dozeron.src = "picts/dozeron.jpg";
dozeroff = new Image(250, 188);
dozeroff.src = "picts/dozeroff.jpg";

craneon = new Image(250, 188);
craneon.src = "picts/craneon.jpg";
craneoff = new Image(250, 188);
craneoff.src = "picts/craneoff.jpg";

graderon = new Image(250, 188);
graderon.src = "picts/graderon.jpg";
graderoff = new Image(250, 188);
graderoff.src = "picts/graderoff.jpg";

forklifton = new Image(250, 188);
forklifton.src = "picts/forklifton.jpg";
forkliftoff = new Image(250, 188);
forkliftoff.src = "picts/forkliftoff.jpg";

}

function p_img_act(imgName) {
if (document.images) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;
}
}

function p_img_inact(imgName) {
if (document.images) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;
}
}