var thisNav

function toggleNav (thisID)
{
	thisNav = document.getElementById(thisID);
	
	if ( thisNav.className == "navHidden" )
	{
		thisNav.className = "navShown";
	}
	else
	{
		thisNav.className = "navHidden";
	}
	
	if ( thisID == 'first_clinic' )
	{
		document.getElementById('programs').className = "navHidden";
		document.getElementById('calendar').className = "navHidden";
	}
	if ( thisID == 'programs' )
	{
		document.getElementById('calendar').className = "navHidden";
		document.getElementById('first_clinic').className = "navHidden";
	}
	
	if ( thisID == 'calendar' )
	{
		document.getElementById('programs').className = "navHidden";
		document.getElementById('first_clinic').className = "navHidden";
	}
	

	
}