function nreset() {

document.newsletter.semail.value="";

}
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.semail.value.length==0) {
alert("please enter your email address");
document.newsletter.semail.focus();
return false;
}
if(!nvalidateEmail(document.newsletter.semail.value)) {
    
alert("please enter your valid email address"); 
document.newsletter.semail.focus();
return false; 
}
else document.newsletter.submit()
return true;
}

function mvalidateEmail(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 mvalidate() {

if (document.membernewsletter.semail.value.length==0) {
alert("please enter your email address");
document.membernewsletter.semail.focus();
return false;
}
if(!mvalidateEmail(document.membernewsletter.semail.value)) {
    
alert("please enter your valid email address"); 
document.membernewsletter.semail.focus();
return false; 
}
if (document.membernewsletter.sname.value.length==0) {
alert("please enter your name");
document.membernewsletter.sname.focus();
return false;
}
else document.membernewsletter.submit()
return true;
}