var aNav=['home_2','aboutus','jobs','FE_forum','community','resources','teachers'];
var timeout;
function nav_rollover(id)
{
	nav_rollout_now();
	if (nav_active && document.getElementById('subnav'+nav_active))
		document.getElementById('subnav'+nav_active).style.display='none';
	if (document.getElementById('nav'+id))
		document.getElementById('nav'+id).src='images/btn_'+id+'_RO.gif';
	document.getElementById('subnav'+id).style.display='';
	clearTimeout(timeout);	
}
function nav_rollout()
{
	timeout=setTimeout('nav_rollout_now()',300);
}
function nav_rollout_now()
{
	for (i=0;i<aNav.length;i++)
	{
		if (document.getElementById('nav'+aNav[i]))
			document.getElementById('nav'+aNav[i]).src='images/btn_'+aNav[i]+'.gif';
		if (document.getElementById('subnav'+aNav[i]))
			document.getElementById('subnav'+aNav[i]).style.display='none';
	}
	if (nav_active && document.getElementById('subnav'+nav_active))
		document.getElementById('subnav'+nav_active).style.display='';
}