var submenus = new Array("sub-contact", "sub-deroustap","sub-eten","sub-huwelijk","sub-themafeesten","sub-outdoorevents");
var sublinks = new Array("menu-contact", "menu-deroustap","menu-eten","menu-huwelijk","menu-themafeesten","menu-outdoorevents");

var active = false;

function showSubMenu(item, id)
{
	toInitial();
	active = true;
	document.getElementById(item).className = 'menu-active';
	document.getElementById(id).style.visibility='visible';
}

function hideThisSub(a,b)
{
	document.getElementById(submenus[a]).style.visibility='hidden';
	document.getElementById(sublinks[b]).className = 'menu';
}

function hideAllSubMenus()
{
	for(i = 0; i < submenus.length; i++)
		document.getElementById(submenus[i]).style.visibility='hidden';
}

function setAllNormalClass()
{
	for(i = 0; i < sublinks.length; i++)
		document.getElementById(sublinks[i]).className = 'menu';
}

function toInitial()
{
	active = false;
	hideAllSubMenus();
	setAllNormalClass();
}

function menuOff()
{
	active = false;
	setTimeout("checkActive()", 500);
}

function setToActive()
{
	active = true;
}

function checkActive()
{
	if(!active)
	{
		toInitial();
	}
}

function resize_images()
{
	for (i = 1; i < document.images.length; i++)
	{
		while ( !document.images[i].complete )
		{
			break;
		}
		if ( document.images[i].width > 500 )
		{
			document.images[i].width = 500;
		}
	}
}

function checkemailform(form)
{
	if(	form.naam.value				== "" ||
		form.telefoonnummer.value	== "" ||
		form.emailadres.value		== "" )
	{
		alert("Niet alles is juist ingevuld. De velden met een * zijn verplicht.");
		return false;
	}

	return true;
}