var banner;
var prvnr;
var tmid;

var prvleftmenu = '';

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function scrollbanner(nr){
	banner.style.marginLeft = nr + 'px';
	
	showbanner();
	
	if(nr<=-195){
		fadebanner(100);
	}else{
		setTimeout("scrollbanner("+(nr-2)+")",35);
	}
}

function fadebanner(fd){
	try{
		banner.style.filter = 'alpha(opacity='+fd+')';
	}catch(e){
	}
	try{
		banner.style.MozOpacity = (fd/100);
	}catch(e){
	}
	try{
		banner.style.opacity = (fd/100);
	}catch(e){
	}
	if(fd<=0){
		setTimeout("scrollbanner(20);",3000);
	}else{
		setTimeout("fadebanner("+(fd-4)+");",50);
	}
}

function showbanner(){
	try{
		banner.style.filter = 'alpha(opacity=100)';
	}catch(e){
	}
	try{
		banner.style.MozOpacity = 1;
	}catch(e){
	}
	try{
		banner.style.opacity = 1;
	}catch(e){
	}
}

function start(){
	banner = getobj('banner');
	scrollbanner(20);
}

function showmenu(nr){
	if(prvnr!=nr){
		cancelhide();
		try{
			getobj('topmenu' + prvnr).className = 'toplink';
			getobj('mainmenu' + prvnr).style.display = 'none';
		}catch(e){
		}
	}
	getobj('flashslogan').style.display = 'none';
	getobj('mainmenu' + nr).style.display = '';
	getobj('topmenu' + nr).className = 'toplinkselected';
	prvnr = nr;
}

function cancelhide(){
	clearTimeout(tmid);
}

function hidemenu(){
	tmid = setTimeout("dohide()",120);
}

function dohide(){
	try{
		getobj('topmenu' + prvnr).className = 'toplink';
		getobj('mainmenu' + prvnr).style.display = 'none';
	}catch(e){
	}
	getobj('flashslogan').style.display = '';
}

function showhideleftmenu(menu){
var t = getobj(menu);

	if(prvleftmenu!=menu){
		try{
			getobj(prvleftmenu).style.display = 'none';
		}catch(e){
		}
	}
	if(t.style.display==''){
		t.style.display = 'none';
	}else{
		t.style.display = '';
	}
	prvleftmenu = menu;
}

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

function showhidePopup(pid)
{   var x = getobj(pid);

    if(x.style.display == 'none')
    {   x.style.display = '';
	} else
	{	x.style.display = 'none';
	}
}

function chkPoll() {
	var swContact = 0;
	var vAant = document.frmPoll.pollaantal.value;
	
	if (vAant >= 1)
	{	for (var counter1 = 0; counter1 < document.frmPoll.option1.length; counter1++)
		{	if (document.frmPoll.option1[counter1].checked)
			{	swContact = swContact + 1;	
			}
		}
	}

	if (vAant >= 2)
	{	for (var counter2 = 0; counter2 < document.frmPoll.option2.length; counter2++)
		{	if (document.frmPoll.option2[counter2].checked)
			{	swContact = swContact + 1;	
			}
		}
	}
	
	if (vAant >= 3)
	{	for (var counter3 = 0; counter3 < document.frmPoll.option3.length; counter3++)
		{	if (document.frmPoll.option3[counter3].checked)
			{	swContact = swContact + 1;	
			}
		}
	}	
	
	if (vAant >= 4)
	{	for (var counter4 = 0; counter4 < document.frmPoll.option4.length; counter4++)
		{	if (document.frmPoll.option4[counter4].checked)
			{	swContact = swContact + 1;	
			}
		}
	}

	if (swContact < vAant)
	{	alert("Gelieve een keuze te maken!");
	} else
	{	document.frmPoll.submit();
	}
}