function setbox(field) {
	if (field.value=='Zoek in de website') {
		field.style.color = '#000000';
		field.value = '';
	} else if (field.value=='') {
		field.style.color = '#999999';
		field.value = 'Zoek in de website';
	}
}

function sendHeaderSearchForm()
{
  if(document.getElementById('searchTerm').value!='Zoek in de website')
  {
    document.getElementById('searchHeaderForm').submit();
    return true;
  }
  return false;
}