function checknewsmail(mymail) {
    if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(mymail)){
        return (true);
    }
    //alert("Invalid E-mail Address! Please re-enter.");
    return (false);
}


function ChecknewsForm() {
    var msg = "";
    if (document.newsletterform.newsmail.value==""){
        msg+="Δεν έχετε εισάγει email\r";
    }
    if (document.newsletterform.newsmail.value!=""){
        if (checknewsmail(document.newsletterform.newsmail.value)){
            //ola kala
        } else {
            msg += "Δεν έχετε εισάγει σωστό E-mail\r";
        }
    }
    if (msg=='') {
       //alert("Ola Kala!");
       //document.newsletterform.submit();
       return true;
    } else {
        alert(msg);
        return false;
    }
    return false;
}