// Popup window
var win= null;
function nieuweWindow(mypage,myname,w,h,scroll){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable=no';
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}
// Einde

// Toggle divs
function toggleID(obj) {
  var el = document.getElementById(obj);
  if ( el.style.display != 'block' ) {
    el.style.display = 'block';
  }
  else {
    el.style.display = '';
  }
}
// Einde

// Toon een verborgen div
function showID(id) {
	document.getElementById(id).style.display = "block";
	}

// Verberg een div
function hideID(id) {
	document.getElementById(id).style.display = "none";
	}