if (document.images) {
image1on = new Image();
image1on.src = "images/hm_btn_approach_on.gif";

image2on = new Image();
image2on.src = "images/hm_btn_accounting_on.gif";

image3on = new Image();
image3on.src = "images/hm_btn_consulting_on.gif";

image4on = new Image();
image4on.src = "images/hm_btn_taxes_on.gif";

image5on = new Image();
image5on.src = "images/hm_btn_clients_on.gif";

image6on = new Image();
image6on.src = "images/hm_btn_contact_on.gif";

image1off = new Image();
image1off.src = "images/hm_btn_approach.gif";

image2off = new Image();
image2off.src = "images/hm_btn_accounting.gif";

image3off = new Image();
image3off.src = "images/hm_btn_consulting.gif";

image4off = new Image();
image4off.src = "images/hm_btn_taxes.gif";

image5off = new Image();
image5off.src = "images/hm_btn_clients.gif";

image6off = new Image();
image6off.src = "images/hm_btn_contact.gif";
}

function changeImages() {
if (document.images) {
for (var i=0; i<changeImages.arguments.length; i+=2) { 
document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
}
}
}