function submitNewsletterForm() {
	if (document.frmNewsletter.Email.value != "" && document.frmNewsletter.Email.value != "email address")
		{
			strError = validateEmail("Email Address", document.frmNewsletter.Email);
			if (strError == "")
				document.frmNewsletter.submit();
			else
				alert(strError);
		}	
}

function validateEmail(sFieldName, sField)
	{
		e = eval(sField);
    if (sField.value == "" || sField.value.indexOf ('@', 1) == -1 || sField.value.indexOf ('.', 3) == -1) 
	    {
			return "Your  " + sFieldName + " is invalid.\n";
  	  } 
		else
			{
			return "";
			}
	}