function od_makeEditable(txt, defaultVal, colorVal) {
	if (txt.value == defaultVal) { txt.value = ''; txt.style.color = colorVal; txt.focus(); }
}
function terugDefault(txt, defaultVal, colorVal) {
	if (txt.value == '') { txt.value = defaultVal; txt.style.color = colorVal; }
}
function validateEmailOptin(form)
{
 var email = form.EmailAddress.value;
 if(email.match(/^[a-zA-Z0-9_\.\-]+\@([a-zA-Z0-9\-]+\.)+[a-zA-Z0-9]{2,4}$/gi)) {
  return true;
 } else {
 $('form.optin p.error').remove();
  $('form.optin').append('<p class="error">No valid e-mail address</p>');
  return false;
 }
}