//Topnav Image Swap
var ns6 = (document.getElementById && !document.all);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);

if(document.images) {
tnav = new Array(); 
tnav[1] = new Image();
tnav[1].src = "images/tnav_about_off.png"; 
tnav[2] = new Image();
tnav[2].src = "images/tnav_about_on.png";
tnav[3] = new Image();
tnav[3].src = "images/tnav_services_off.png";
tnav[4] = new Image();
tnav[4].src = "images/tnav_services_on.png";
tnav[5] = new Image();
tnav[5].src = "images/tnav_work_off.png";
tnav[6] = new Image();
tnav[6].src = "images/tnav_work_on.png";
tnav[7] = new Image();
tnav[7].src = "images/tnav_contact_off.png";
tnav[8] = new Image();
tnav[8].src = "images/tnav_contact_on.png";
}

function swappy(from,to) {
if(document.images) {
document.images[from].src = tnav[to].src;
}
}