document.write('<div id="loading"><div><img src="/graphics/wait.gif" alt="loading"/><br/>Een ogenblik geduld alstublieft.</div></div>');
last_tab = 'tab1';

function show(layerName) {
	document.getElementById(layerName).style.display = 'block';
}

function hide(layerName) {
	document.getElementById(layerName).style.display = 'none';
}
function toggle_visibility(id,idd){
   var e = document.getElementById(id);
   var ee = document.getElementById(idd);
   if(e.style.display == 'block'){
		ee.src='/graphics/plus.gif';
		e.style.display = 'none';
   }else{
		ee.src='/graphics/minus.gif';
		e.style.display = 'block';
	}  
}
function toggle_verfijn(ID,IDD,IDDD){
   var e = document.getElementById(ID);
   var ee = document.getElementById(IDD);
   var eee = document.getElementById(IDDD);
   if(e.style.display == 'block'){
		ee.src='/graphics/plus.gif';
		e.style.display = 'none';
		eee.innerHTML='Meer...';
   }else{
		ee.src='/graphics/minus.gif';
		e.style.display = 'block';
		eee.innerHTML='Minder';
	}  
}
function formFocus(ID){
	document.getElementById(ID).focus();
}
function upperCase(ID){
	var y=document.getElementById(ID).value;
	document.getElementById(ID).value=y.toUpperCase();
}
function upperCaseFirst(ID){
	document.getElementById(ID).value = document.getElementById(ID).value.substr(0, 1).toUpperCase() + document.getElementById(ID).value.substr(1);
}
function setAnonymous(ID){
	DG=document.getElementById(ID);
	if(DG.value=='Anoniem'){
		DG.value='';
	}else{
		DG.value='Anoniem';
	}
}
function show_next(tab_name) {
	document.getElementById(last_tab).style.textDecoration='none';
	var curr = document.getElementById(tab_name);
	curr.style.textDecoration='underline';
	hide(last_tab+'_data');
	show(tab_name+'_data');
	last_tab=tab_name;
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}


if (document.getElementsByTagName) {
	var inputElements = document.getElementsByTagName("input");
	for (i=0; inputElements[i]; i++) {
		if (inputElements[i].className && (inputElements[i].className.indexOf("disableAutoComplete") != -1)) {
			inputElements[i].setAttribute("autocomplete","off");
		}
	}
}

//or

//if(document.getElementById) {
//	var obj = document.getElementById('disableAutoComplete');
//	if(obj.setAttribute) obj.setAttribute('autocomplete','off');
//}

function externalLinks() {
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");
for (var i=0; i<anchors .length; i++) {
var anchor = anchors[i];
if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
anchor.target = "_blank";
anchor.title = (anchor.title != "") ? anchor.title+" (opent in een nieuw venster)" : "Opent in een nieuw venster";
anchor.className = (anchor.className != '') ? anchor.className+' external' : 'external';
}
}
}
function display(myimage) {
 html = "<HTML><HEAD><TITLE>Photo</TITLE>" +
  "</HEAD><BODY LEFTMARGIN=0 " +
  "MARGINWIDTH=0 TOPMARGIN=0 MARGINHEIGHT=0><CENTER>" +
  "<IMG SRC='" + myimage + "' NAME=image " +
  "onload='window.resizeTo(document.image.width,document.image.height)'></CENTER>" +
  "</BODY></HTML>";
 popup=window.open
   ('','image','toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=1');
 popup.document.open();
 popup.document.write(html);
 popup.document.focus();
}

function change_img(img_src,img_name) {
	if(img_name==undefined){
		img_name='slide';
	}
	document[img_name].src=img_src;
}

function increaseValue(oObj) {
	if(oObj.value =='') 
		oObj.value=1;
	else
		oObj.value++;
}

function toggleMe(whichLayer){
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}

function hidediv(byid) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(byid).style.visibility = 'hidden';
	}
	else {
		if (document.layers) { // Netscape 4
			document.byid.visibility = 'hidden';
		}
		else { // IE 4
			document.all.byid.style.visibility = 'hidden';
		}
	}
}

function showdiv(byid) {
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(byid).style.visibility = 'visible';
	} else {
		if (document.layers) { // Netscape 4
			document.byid.visibility = 'visible';
		} else { // IE 4
			document.all.byid.style.visibility = 'visible';
		}
	}
}
function popOpen(URL,NAME,HEIGHT,WIDTH){
	var LEFT=(screen.width - WIDTH) / 2;
	var TOP=(screen.height - HEIGHT) / 2;
	NEWWINDOW=open(URL,NAME,'scrollbars=yes,toolbar=no,location=no,status=no,resizable=no,width=' + WIDTH + ',height=' + HEIGHT + ',left=' + LEFT + ',top=' + TOP + '');
	NEWWINDOW.focus();
	return false;
}
function showMenu(IDMENU){
	var MYMENU=document.getElementById(IDMENU);
	if(MYMENU.style.display=="none" || MYMENU.style.display==""){
		MYMENU.style.display="block";
	}else{ 
	/*	MYMENU.style.display="none";*/
	}
}
function hideMenu(IDMENU){
	var MYMENU=document.getElementById(IDMENU);
	if(MYMENU.style.display=="none" || MYMENU.style.display==""){
	/*	MYMENU.style.display="block";*/
	}else{ 
		MYMENU.style.display="none";
	}
}
function swapImage(ID,IDSTATUS){
	if(IDSTATUS==0){
		document.getElementById('ap'+ID).src='/graphics/arrow_hover.png';
	}else if(IDSTATUS==1){
		document.getElementById('ap'+ID).src='/graphics/arrow_select.png';
	}else if(IDSTATUS==2){
		document.getElementById('ap'+ID).src='/graphics/arrow.png';
	}
}
