<!--
function checkForm()
{

var veldmelding = new Array();
//vertalen
veldmelding[0] = "emailadres";
var invullen="De volgende velden nog invullen svp:";
//einde vertalen

var checkvelden = new Array();
var melding = '';

checkvelden[0] = "emailadres";

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 na_email_validation(fname, type_name, str) 
{
  var email_validation = true
  var temp = document.forms[fname].elements[type_name]
  var at = temp.value.indexOf('@')
  var prd = temp.value.lastIndexOf('.')
  var space = temp.value.indexOf(' ')
  var length = temp.value.length - 1   

  if (temp.value == '') {
	return true
  }

  if ((at < 1) || (prd <= at+1) ||  (prd == length ) ||  (space  != -1)) {  
    email_validation = false
    alert(str)
    temp.focus()
  }
  return email_validation
}

	 
//  -->