function validateFields() {
	var sEMail    = document.recoverpass.email;
	var sKeyImage = document.recoverpass.txtKeyImage;
	sEMail.value = sEMail.value.trim();
	if (sEMail.value=='') {
		alert('The field Email does not have to be empty.');
		return;
	}	
	if(!ValidatorJS.isValidMail(sEMail.value)){
		alert('Email is not valid');
		return;
	}
	if (sKeyImage.value=='') {
		alert('The field image code does not have to be empty.');
		return;
	}					
	document.getElementById('recoverpass').submit();
}