function trackDisplay(list)
{
	var track = document.getElementById("left_nav_" + list);
	track.style.color="#094181";
	track.style.textDecoration="underline";
	
	for(z=0;z<list;z++)
	{
	var prior = document.getElementById("left_nav_" + z);
	prior.style.color="#7f7f7f";
	prior.style.textDecoration="none";
	}
	for(z=11;z>list;z--)
	{
	var prior = document.getElementById("left_nav_" + z);
	prior.style.color="#7f7f7f";
	prior.style.textDecoration="none";
	}
}