// JavaScript Document

function checkFields(form) {
missinginfo = "";

name_field = document.form.realname.value;
email_field = document.form.email.value;
phone_field = document.form.contact_phone.value;

if (name_field == "") {
missinginfo += "\n     -  Name";
}
if ((email_field == "") || (email_field.indexOf('@') == -1) || (email_field.indexOf('.') == -1)) {
missinginfo += "\n     -  Email address";
}
if(phone_field == "") {
missinginfo += "\n     -  Telephone";
}

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;
}