// JavaScript Document
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_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_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 openWin(url) {
	window.open(url,'newWin','width=700,height=600,scrollbars=yes,toolbar=yes,location=yes,menubar=yes');		
}

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

function toggleForms() {
	var s = dg('selectform');
	var time = dg('tijd');
	
	dg('form1').style.display = 'block';
	
	if(s.options[s.options.selectedIndex].value == "lesson") {
		dg('ilesson').style.display = 'block';
		dg('iride').style.display = 'none';
		dg('clesson').style.display = 'block';
		dg('cride').style.display = 'none';
		dg('recemail').value = 'hesterfahrner@bovag.nl';
		dg('ftype').value = 'lesson';
		dg('rowrijbewijs').style.display = 'none';
	} else if (s.options[s.options.selectedIndex].value == "ride") {
		dg('ilesson').style.display = 'none';
		dg('iride').style.display = 'block';
		dg('clesson').style.display = 'none';
		dg('cride').style.display = 'block';
		dg('recemail').value = 'c.wesselkamp@knmv.nl';
		dg('ftype').value = 'ride';
		try {
			dg('rowrijbewijs').style.display = 'table-row';
		} catch(err) {
			dg('rowrijbewijs').style.display = 'block';
		}
	}	
}

function checkCond() {
	if(dg('voorwaarden').checked) {
		return true;
	} else {
		alert('U dient akkoord te gaan met de algemene voorwaarden.');
		return false;
	}
}