var t;

function showSub( sub )
{
	$( "ul.sub-nav").each( function() {$( this ).parent().css( "display", "none" );} );
	$( "div#nav div.active-sub" ).css( "display", "none" ).removeClass( "active-sub" );
	$( "div#" + sub + "-nav" ).css( "display", "block" ).addClass( "active-sub" );
}

function fadeSub()
{
	clearTimeout(t);
	t = setTimeout( function() {$( "div#nav div.active-sub" ).css( "display", "none" ).removeClass( "active-sub" )},5000);
}

function hideSub()
{
	$( "div#nav div.active-sub" ).css( "display", "none" ).removeClass( "active-sub" );
}