function onacc(obj)
{
	document.getElementById('acc').src = 'images/nav_' + obj + '.jpg';
}

function onapp(obj)
{
	document.getElementById('app').src = 'images/nav_' + obj + '.jpg';
}

function offacc(obj)
{
	document.getElementById('acc').src = 'images/nav_accessories.jpg';
}

function offapp(obj)
{
	document.getElementById('app').src = 'images/nav_apparel.jpg';
}