<!-- Begin

function setColor(el, bg) {
  if (el.style) el.style.backgroundColor = bg;
}

function leeg(form)
{
 var field1 = form.naam;
 var field2 = form.vnaam
 var field3 = form.mail;
 var bgBad = "#C9C992";
 var bgGood = "#FFFFFF";
 var valid = true;

  if (field1.value == "") {
    valid = false;
    setColor(field1, bgBad);
  } else {
    setColor(field1, bgGood);
  }
if (field2.value == "") {
    valid = false;
    setColor(field2, bgBad);
  } else {
    setColor(field2, bgGood);
  }
   if (field3.value == '' || field3.value.indexOf('@') == -1 || field3.value.indexOf('.') == -1) {
    valid = false;
    setColor(field3, bgBad);
  } else {
    setColor(field3, bgGood);
  }
  if (!valid) {alert("Gelieve alle GEKLEURDE velden in te vullen \n \n        Deze zijn verplicht in te vullen");
      return false;}
      {return true;}
}


//-->