function $(id) {
  return document.getElementById(id);
}

//------------------------------------------------------------------------------
function ShowHideLocatie(kaartnr) {

  var kaarten = document.getElementsByName("kaart");
  var kaartid = (kaartnr - 1);
  
  for (var i = 0; i < kaarten.length; i++) {
  	if (i == kaartid) {
		kaarten[i].style.display = "block";
	} else {
		kaarten[i].style.display = "none";
	}
  }
}

function ShowLocatie(locatie) {

  show(locatie);
}

//------------------------------------------------------------------------------

function HideLocatie(locatie) {
  hide(locatie);
}

//------------------------------------------------------------------------------

function hide(id) {
  $(id).style.display = "none";
}

//------------------------------------------------------------------------------

function show(id) {
  $(id).style.display = "block";
}

//------------------------------------------------------------------------------

var t = null;

function showSubmenu(id) {
  show(id);
}

//------------------------------------------------------------------------------

function hideSubmenu(id) {
  t = setTimeout("hide('" + id + "')", 1000);
}

//------------------------------------------------------------------------------

function keepShowing(id) {
  if (t) {
    clearTimeout(t)
    t = null;
  }
  show(id);
}

//------------------------------------------------------------------------------

function HetWeerkaartje(){
	var dagdeel

	stamp = new Date();
	hours = stamp.getHours();
	if(hours <= 24)
	{
		dagdeel = "Avond";
	}
	if(hours <= 18)
	{
		dagdeel = "Middag";
	}
	if(hours <= 12)
	{
		dagdeel = "Ochtend";
	}
	if(hours <= 6)
	{
		dagdeel = "Nacht";
	}
	document.write("<a href='http://www.weerplaza.nl/' target='_blank'><img border='0' src='http://www.weerplaza.nl/data/ip/ip_nl_" + dagdeel + ".png' height='243' width='243'></a>")
}