function funNewsletter(){
  if(trim(document.frmNewsletter.nl_name.value)==''){
	alert('Please enter your name.'); 
	document.frmNewsletter.nl_name.focus();
	document.frmNewsletter.nl_name.value='';
	return false;
 }
 if(trim(document.frmNewsletter.nl_email.value)==''){
	alert('Please enter an email address.'); 
	document.frmNewsletter.nl_email.focus();
	document.frmNewsletter.nl_email.value='';
	return false;
 }
 if(!email.test(document.frmNewsletter.nl_email.value)){
	alert('Invalid email address.'); 
	document.frmNewsletter.nl_email.focus();
	document.frmNewsletter.nl_email.value='';
	return false;
 }
	document.frmNewsletter.action='newsletter1.php';
	document.frmNewsletter.submit();
}