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 showBedrijf()
{
	document.getElementById('extra_tr0').style.display = '';
	document.getElementById('extra_tr1').style.display = '';
	document.getElementById('extra_tr2').style.display = '';
	document.getElementById('extra_tr3').style.display = '';
	document.getElementById('extra_tr4').style.display = '';
}

function hideBedrijf()
{
	document.getElementById('extra_tr0').style.display = 'none';
	document.getElementById('extra_tr1').style.display = 'none';
	document.getElementById('extra_tr2').style.display = 'none';
	document.getElementById('extra_tr3').style.display = 'none';
	document.getElementById('extra_tr4').style.display = 'none';
}

function showLink(id)
{
	document.getElementById(id).style.display = "block";
}

function hideLink(id)
{
	document.getElementById(id).style.display = "none";
}

function changeEnabled()
{
	var fSymantecSecurity = document.getElementById('fSymantecSecurity');
	var fSymantecSecurityAnders = document.getElementById('fSymantecSecurityAnders');

	(fSymantecSecurity.value == "1")? fSymantecSecurityAnders.disabled=false : fSymantecSecurityAnders.disabled=true
}

function getItem(id)
{
	var itm = false;
	if(document.getElementById)
		itm = document.getElementById(id);
	else if(document.all)
		itm = document.all[id];
	else if(document.layers)
		itm = document.layers[id];

	return itm;
}

function toggleTable(id)
{
	itm = getItem(id);

	if(!itm)
		return false;

	if(itm.style.display == 'none')
	{
		itm.style.display = '';
		img = getItem('showhide');
		img.src = "resources/images/center/hide.gif";
	}
	else
	{
		itm.style.display = 'none';
		img = getItem('showhide');
		img.src = "resources/images/center/show.gif";
	}

	return false;
}

function changeForm(arr)
{
	var obj = document.getElementById('sel');
	obj.options.length = 0;

	for(var i = 0; i < arr.length; i++)
	{
		obj.options[obj.options.length] = new Option(arr[i], arr[i]);
	}
}

function checkLogin()
{
	var clear = true;
	var missinginfo = "De volgende velden zijn niet (goed) ingevuld:\n";
 
	if (!document.forms['login'].UserName.value)
	{
		missinginfo += "- Username\n";
		clear = false;
	}

	if (!document.forms['login'].Password.value)
	{
		missinginfo += "- Password\n";
		clear = false;
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}	
}

function checkDomeinNameserver()
{
	var clear = true;
	var keuzeDomeinOptie = "";
	var keuzeNameserverOptie = "";
	var missinginfo = "De volgende velden zijn niet (goed) ingevuld:\n";
 
  	for(var i = 0; i < document.forms['domeinnameserver'].keuzeDomeinOptie.length; i++)
	{ 
		if(document.forms['domeinnameserver'].keuzeDomeinOptie[i].checked)
		{ 
			keuzeDomeinOptie = document.forms['domeinnameserver'].keuzeDomeinOptie[i].value;
		} 
	} 

	if(keuzeDomeinOptie == "registreren")
	{ 
		if (!document.forms['domeinnameserver'].keuzeDomein.value)
		{
			missinginfo += "- Domeinnaam\n";
			clear = false;
		}
	}

 	for(var i = 0; i < document.forms['domeinnameserver'].keuzeNameserverOptie.length; i++)
	{ 
		if(document.forms['domeinnameserver'].keuzeNameserverOptie[i].checked)
		{ 
			keuzeNameserverOptie = document.forms['domeinnameserver'].keuzeNameserverOptie[i].value;
		} 
	}    

	if(keuzeNameserverOptie == "eigen nameservers")
	{ 
		if (!document.forms['domeinnameserver'].keuzeNameserver1.value)
		{
			missinginfo += "- Nameserver #1\n";
			clear = false;
		}
		if (!document.forms['domeinnameserver'].keuzeNameserver2.value)
		{
			missinginfo += "- Nameserver #2\n";
			clear = false;
		}
		/*
		if (!document.forms['domeinnameserver'].keuzeNameserver3.value)
		{
			missinginfo += "- Nameserver #3\n";
			clear = false;
		}
		*/
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}	
}

function checkDomein()
{
	var clear = true;
	var missinginfo = "";
 
	if (!document.forms['domein'].keuzeDomein.value)
	{
		missinginfo += "Domein is niet ingevuld.\n";
		clear = false;
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}	
}

function checkDomeinMenu()
{
	var clear = true;
	var missinginfo = "";
 
	if (!document.forms['domeinmenu'].keuzeDomein.value)
	{
		missinginfo += "Domein is niet ingevuld.\n";
		clear = false;
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}	
}

function checkFormAgree()
{
	var clear = true;
	var missinginfo = "";

	if (!document.forms['controle'].fOvereenkomst.checked)
	{
		missinginfo += "Er is niet akkoord gegaan met de algemene voorwaarden en privacy verklaring.\n";
		clear = false;
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}	
}

function checkForm()
{
	var clear = true;
	var fLand = "";
	var fParticulierBedrijf = "";
	var missinginfo = "De volgende velden zijn niet (goed) ingevuld:\n"; 
	var email_regex = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})$/;

	if (!document.forms['gegevens'].fVoornaam.value)
	{ 
		missinginfo += "- Voornaam\n";
		clear = false;
	} 

	if (!document.forms['gegevens'].fAchternaam.value)
	{ 
		missinginfo += "- Achternaam\n";
		clear = false;
	} 

	for(var i = 0; i < document.forms['gegevens'].fParticulierBedrijf.length; i++)
	{ 
		if(document.forms['gegevens'].fParticulierBedrijf[i].checked)
		{ 
			fParticulierBedrijf = document.forms['gegevens'].fParticulierBedrijf[i].value;
		} 
	}    

	if(fParticulierBedrijf == "Bedrijf")
	{ 
		if (!document.forms['gegevens'].fBedrijfNaam.value)
		{ 
			missinginfo += "- Bedrijfsnaam\n";
			clear = false;
		} 

		if (!document.forms['gegevens'].fBedrijfKvK.value)
		{ 
			missinginfo += "- KvK nummer\n";
			clear = false;
		} 

		if (!document.forms['gegevens'].fBedrijfBTW.value)
		{ 
			missinginfo += "- BTW nummer\n";
			clear = false;
		} 
	}

	if (!document.forms['gegevens'].fStraat.value)
	{ 
		missinginfo += "- Straatnaam\n";
		clear = false;
	} 

	if (!document.forms['gegevens'].fHuisnummer.value)
	{ 
		missinginfo += "- Huisnummer\n";
		clear = false;
	} 

	if (!document.forms['gegevens'].fPostcode.value)
	{ 
		missinginfo += "- Postcode\n";
		clear = false;
	} 

	if (!document.forms['gegevens'].fWoonplaats.value)
	{ 
		missinginfo += "- Woonplaats\n";
		clear = false;
	} 

	for(var i = 0; i < document.forms['gegevens'].fLand.length; i++)
	{ 
		if(document.forms['gegevens'].fLand[i].checked)
		{ 
			fLand = document.forms['gegevens'].fLand[i].value;
		} 
	}    

	if(!fLand)
	{ 
		missinginfo += "- Land\n";
		clear = false;
	}

	if (!email_regex.test(document.forms['gegevens'].fEmail.value))
	{ 
		missinginfo += "- E-mailadres\n";
		clear = false;
	} 

	if ((isNaN(document.forms['gegevens'].fTelefoon.value)) || (!document.forms['gegevens'].fTelefoon.value))
	{
		missinginfo += "- Telefoon\n";
		clear = false;
	}

	if(!clear)
	{ 
		alert( missinginfo );
		return false; 
	}
	else
	{
		return true;
	}
}