function signnewsletter() 
    {
        var name=window.document.search_2.name.value;
        var email=window.document.search_2.email_address.value;
        var ok=true;
        if (!name.length > 3) {
            alert("You forgot to type in your name!");
            ok=false;
        }

        if (!verifyemail_check(email)) {
            alert("Please provide your email address!");
            ok=false;
        }
        return ok;
    }

    function verifyemail_check(str) 
    {
        if(!str.match(/^[\w]{1}[\w\.\-_]*@[\w]{1}[\w\-_\.]*\.[\w]{2,6}$/i)) {
            return false;
        } else {
            return true;
        }
    }

    var count_nt=0;
    function notwice()
     {
        count_nt++;
        var ok=true;
        if (count_nt>1) {ok=false;}
        return(ok)
  }