// <!--

// all-directory
a_dir = 'g/all/';

// Browsercheck
if ((navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3) || (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >=4) || (navigator.appName == "Opera" && parseInt(navigator.appVersion) >=4))
{
	browserOk = true;
} else {
	browserOk = false;
}

// Preloaden
if (browserOk)
{
	// Navigatie-knoppen
	mail_norm = new Image();
	mail_over = new Image();

	if (pagId != 'contact_ok' && pagId != 'contact_fout')
	{
		p_dir = 'g/' + pagId + '/';
	} else {
		p_dir = 'g/contact/';
	}

	mail_norm.src = a_dir + 'mail_norm.gif';
	mail_over.src = a_dir + 'mail_over.gif';

	// Blauwe vakken, indien pagId != 'home'
	if (pagId != 'home')
	{
		bv_1_norm = new Image();
		bv_1_norm.src = 'g/all/bv_1_norm.gif';
		bv_2_norm = new Image();
		bv_2_norm.src = 'g/all/bv_2_norm.gif';
		bv_3_norm = new Image();
		bv_3_norm.src = 'g/all/bv_3_norm.gif';
		bv_4_norm = new Image();
		bv_4_norm.src = 'g/all/bv_4_norm.gif';

		if (pagId.substring(0, 12) == 'nieuwsbrief_')
		{
			p_dir = 'g/';
		}

		bv_1_over = new Image();
		bv_1_over.src = p_dir + 'bv_1_over.gif';
		bv_2_over = new Image();
		bv_2_over.src = p_dir + 'bv_2_over.gif';
		bv_3_over = new Image();
		bv_3_over.src = p_dir + 'bv_3_over.gif';
		bv_4_over = new Image();
		bv_4_over.src = p_dir + 'bv_4_over.gif';
	} else {
		// Logo, indien pagId == 'home'
		logo_norm = new Image();
		logo_norm.src = 'g/home/logo_norm.gif';

		logo_over = new Image();
		logo_over.src = 'g/home/logo_over.gif';
	}
}

// Over-functie
function over(id)
{
	if (browserOk)
	{
		document.images[id].src = eval(id + '_over.src');
	}
}

// Norm-functie
function norm(id)
{
	if (browserOk)
	{
		document.images[id].src = eval(id + '_norm.src');
	}
}

// Haalt de navigatie op de home-pagina te voorschijn en verstopt het logo
function showNav()
{
	if (browserOk)
	{
		// Logo verstoppen
		document.images['logo'].src = logo_over.src;

		// Navigatie te voorschijn halen
		if (document.getElementById && document.getElementById('navi') != null)
			node = document.getElementById('navi').style.visibility='visible';
		else if (document.layers && document.layers['navi'] != null)
			document.layers['navi'].visibility = 'visible';
		else if (document.all)
			document.all['navi'].style.visibility = 'visible';
	}
}

// Verstopt de navigatie op de home-pagina en haalt het logo te voorschijn
function hideNav()
{
	if (browserOk)
	{
		// Navigatie verstoppen
		if (document.getElementById && document.getElementById('navi') != null)
			node = document.getElementById('navi').style.visibility='hidden';
		else if (document.layers && document.layers['navi'] != null)
			document.layers['navi'].visibility = 'hidden';
		else if (document.all)
			document.all['navi'].style.visibility = 'hidden';

		// Logo te voorschijn halen
		document.images['logo'].src = logo_norm.src;
	}
}

// Navigatie automatisch laten zien na x seconden na het laden
if (pagId == 'home')
{
	timerOne = setTimeout(showNav, 10000);
}