function checkFields() {

missinginfo = "";
if (document.form.name.value == "") {
missinginfo += "\n     -  Enter Your Name"; }

if ((document.form.email.value == "") ||
(document.form.email.value.indexOf('@') == -1) ||
(document.form.email.value.indexOf('.') == -1)) {
missinginfo += "\n     -  Enter A Valid Email Address"; }

if (document.form.ratearticle.value == "Select") {
missinginfo += "\n     -  Rate The Article"; }

if (missinginfo != "") {
missinginfo = "Oops! ... Looks like you didn't:\n" +
missinginfo + "\n\nPlease close this window and try again.";
alert(missinginfo);
return false; }
    
else { window.open('/cgi-bin/healthtips_survey.cgi','subpop','scrollbars,resizable,width=600,height=525'); }

}