function toonMenu(id) {
 document.getElementById('flap1').style.display = "none";
 document.getElementById('flap2').style.display = "none";
 document.getElementById('flap3').style.display = "none";
 document.getElementById('flap4').style.display = "none";
 document.getElementById('flap5').style.display = "none";
 document.getElementById('flap6').style.display = "none";
 document.getElementById('flap7').style.display = "none";
 document.getElementById('flap'+id).style.display = "block";
 document.getElementById('kop1').className = "";
 document.getElementById('kop2').className = "";
 document.getElementById('kop3').className = "";
 document.getElementById('kop4').className = "";
 document.getElementById('kop5').className = "";
 document.getElementById('kop6').className = "";
 document.getElementById('kop7').className = "";
 document.getElementById('kop'+id).className = "actievekop";
}
var buiten=0;
function resetTimer(id) {
 buiten=0;
}
function menuDoen(id) {
 if (buiten==1) toonMenu(id);
}
function menuTimer(id) {
 if (buiten==0) setTimeout('menuDoen("'+id+'");',4000);
 buiten=1;
}
function login() {
 document.getElementById('inloglinks').style.display = "none";
 document.getElementById('inlogform').style.display = "block";
}
function wijzigDit(weghalen,tonen) {
 document.getElementById(weghalen).style.display = "none";
 document.getElementById(tonen).style.display = "block";
}
function bookmark(title,url) {
 if (window.sidebar) window.sidebar.addPanel(title,url,""); // ff
 else if(window.opera && window.print) { // opera
  var elem = document.createElement('a');
  elem.setAttribute('href',url);
  elem.setAttribute('title',title);
  elem.setAttribute('rel','sidebar');
  elem.click();
 } else if(document.all) window.external.AddFavorite(url, title); // ie
}