//$("nav-sub-1").hide();
	$("nav-sub-2").hide();
	$("nav-sub-3").hide();
	
	function overNav(){ $("nav-sub-1").hide(); }
	function resetNav(){ $("nav-sub-1").show(); }
	
	Event.observe($("nav-1"), 'mouseover', function() { 
		overNav();
		$("nav-sub-1").show();					
	});
	Event.observe($("nav-1"), 'mouseout', function() {
		$("nav-sub-1").hide();
		resetNav();
	}); 					
	
	Event.observe($("nav-2"), 'mouseover', function() { 
		overNav();
		$("nav-sub-2").show();
	});
	Event.observe($("nav-2"), 'mouseout', function() {
		$("nav-sub-2").hide();
		resetNav();
	}); 
	
	Event.observe($("nav-3"), 'mouseover', function() { 
		overNav();
		$("nav-sub-3").show();
	});
	Event.observe($("nav-3"), 'mouseout', function() {
		$("nav-sub-3").hide();
		resetNav();
	});
	
	Event.observe($("nav-4"), 'mouseover', function() { overNav(); });
	Event.observe($("nav-4"), 'mouseout', function() { resetNav(); });
	Event.observe($("nav-5"), 'mouseover', function() { overNav(); });
	Event.observe($("nav-5"), 'mouseout', function() { resetNav(); });
	Event.observe($("nav-6"), 'mouseover', function() { overNav(); });
	Event.observe($("nav-6"), 'mouseout', function() { resetNav(); });
	Event.observe($("nav-7"), 'mouseover', function() { overNav(); });
	Event.observe($("nav-7"), 'mouseout', function() { resetNav(); });