function checkFields() {
missinginfo = "";
if (document.form2.NAME.value == "") {
missinginfo += "\n     -  YOUR NAME";
}
if (document.form2.PHONE_NUMBER.value == "") {
missinginfo += "\n     -  PHONE NUMBER";
}
if ((document.form2.EMAIL.value == "") || 
(document.form2.EMAIL.value.indexOf('@') == -1) || 
(document.form2.EMAIL.value.indexOf('.') == -1)) {
missinginfo += "\n     -  EMAIL";
}
if (document.form2.LOCATION.value == "") {
missinginfo += "\n     -  LOCATION";
}
if (document.form2.CASTLE_STYLE.value == "") {
missinginfo += "\n     -  CASTLE STYLE";
}
if (document.form2.DAY.value == "") {
missinginfo += "\n     -  DAY";
}
if (document.form2.MONTH.value == "") {
missinginfo += "\n     -  MONTH";
}

if (missinginfo != "") {
missinginfo ="_____________________________\n" +
"\nPlease fill in the following fields:\n" +
missinginfo + "\n_____________________________" +
"\n\nThen click on Send again.\n";
alert(missinginfo);
return false;
}
else return true;
}