function checkFieldsSubscribe() {
missinginfo = "";


if ((document.subscribe.emailaddress.value == "") || 
(document.subscribe.emailaddress.value.indexOf('@') == -1) || 
(document.subscribe.emailaddress.value.indexOf('.') == -1)) {
missinginfo += "\n     -  Email address [please check the format]";
}

if (missinginfo != "") {
missinginfo ="_____________________________\n" +
"You failed to correctly fill in your:\n" +
missinginfo + "\n_____________________________" +
"\nPlease re-enter and submit again!";
alert(missinginfo);
return false;
}
else return true;
}