function nvalidateEmail(email)
{
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function nvalidate() 
{
	if (document.newsletter.email22.value.length==0) 
	{
		alert("Please Enter EMAIL Address");
		return false;
	}
	if(!nvalidateEmail(document.newsletter.email22.value))
	{
		alert("Please Enter Valid EMAIL Address"); 
		return false; 
	}
	else
	{	
		document.newsletter.submit();
	}
	return true;
}
function nvalidate1() 
{
	if (document.newsletter1.email22.value.length==0) 
	{
		alert("Please Enter EMAIL Address");
		return false;
	}
	if(!nvalidateEmail(document.newsletter1.email22.value))
	{
		alert("Please Enter Valid EMAIL Address"); 
		return false; 
	}
	else
	{
		document.newsletter1.submit();
	}
	return true;
}