function programsOff()
{
document.getElementById('programs-button').src="../images/spacer.gif";

}


function programsOn()
{
document.getElementById('programs-button').src="../images/programs-over.png";

}

function servicesOff()
{
document.getElementById('services-button').src="../images/spacer.gif";

}

function servicesOn()
{
document.getElementById('services-button').src="../images/services-over.png";



}