if(document.images)

{


toc1on = new Image(192,30);
toc1on.src = "images/abouton.jpg";
toc2on = new Image(192,30);
toc2on.src = "images/bridgeon.jpg";
toc3on = new Image(192,30);
toc3on.src = "images/serviceson.jpg";
toc4on = new Image(192,30);
toc4on.src = "images/photoson.jpg";
toc5on = new Image(192,30);
toc5on.src = "images/brochureson.jpg";
toc6on = new Image(192,30);
toc6on.src = "images/contacton.jpg";
toc1off = new Image(192,30);
toc1off.src = "images/aboutoff.jpg";
toc2off = new Image(192,30);
toc2off.src = "images/bridgeoff.jpg";
toc3off = new Image(192,30);
toc3off.src = "images/servicesoff.jpg";
toc4off = new Image(192,30);
toc4off.src = "images/photosoff.jpg";
toc5off = new Image(192,30);
toc5off.src = "images/brochuresoff.jpg";
toc6off = new Image(192,30);
toc6off.src = "images/contactoff.jpg";
}

function img_act(imgName)

{

if(document.images)

{

imgOn = eval(imgName + "on.src");

document [imgName].src = imgOn;

}

}



function img_inact(imgName)

{

if(document.images)

{

imgOff = eval(imgName + "off.src");

document [imgName].src = imgOff;

}

}