<!--
function checkForm()
{

var veldmelding = new Array();
//vertalen
veldmelding[0] = "emailaddress";
veldmelding[1] = "password";
var invullen="You did forget to fill in the following fields:";
//einde vetalen

var checkvelden = new Array();
checkvelden[0] = "email";
checkvelden[1] = "wachtwoord";
var melding = '';

for (i=0; i<checkvelden.length; i++)
	{
	if (document.form1.elements[checkvelden[i]].value == '')
		{
		if (melding=='')
			{
			melding = veldmelding[i];
			}
		else
			{
			melding += (', ' + veldmelding[i]);
			}
		}
	}
if (melding=='')
	{
	return true;
	}
else
	{
	melding = invullen + '\n' + melding;
	alert (melding);		
	return false;	
	}

}

function checkwwlengte(rubriek, waarde)
{
//vertalen
var wwalert="password must be at least 6 characters!";
//einde vertalen
if (waarde.length < 1)
	{
	return true;
	}
if (waarde.length < 6)
   	{
	   alert (wwalert);
	   document.getElementById(rubriek).focus();
	   return false;
	}
	else
	{
    return true;
	}
}

function na_email_validation(rubriek, waarde, str) 
{
  var email_validation = true
  var at = waarde.indexOf('@')
  var prd = waarde.lastIndexOf('.')
  var space = waarde.indexOf(' ')
  var length = waarde.length - 1   

  if (waarde == '') {
	return true
  }

  if ((at < 1) || (prd <= at+1) ||  (prd == length ) ||  (space  != -1)) {  
    email_validation = false
    alert(str)
	document.getElementById(rubriek).focus();
  }
  return email_validation
}
// -->