// JavaScript Document

function checkFields(insertdate) {
missinginfo = "";
if (insertdate.name.value == "") {
missinginfo += "\n     -  Name";
}
if(document.insertdate.company.value == "") {
missinginfo += "\n     -  Company";
}
if ((document.insertdate.email.value == "") || 
(document.insertdate.email.value.indexOf('@') == -1) || 
(document.insertdate.email.value.indexOf('.') == -1)) {
missinginfo += "\n     -  Email Address";
}
if(document.insertdate.telephone.value == "") {
missinginfo += "\n     -  Telephone Number";
}
if(document.insertdate.seats.value == "") {
missinginfo += "\n     -  No of Seats";
}

if (missinginfo != "") {
missinginfo ="**************************************\n" +
"You failed to enter the:\n" +
missinginfo + "\n\n**************************************" +
"\n\nPlease enter and submit again!";
alert(missinginfo);
return false;
}
else return true;
}