function checkForm() {
missinginfo = "";

if (document.requestForm._01_First_Name.value=="") {
missinginfo += "\n     - First Name";
}

if (document.requestForm._02_Last_Name.value=="") {
missinginfo += "\n     - Last Name";
}

if (document.requestForm._03_Title.value=="") {
missinginfo += "\n     - Title";
}

if (document.requestForm._04_Company.value=="") {
missinginfo += "\n     - Company";
}

if (document.requestForm._05_Phone.value=="") {
missinginfo += "\n     - Phone Number";
}

if (document.requestForm._06_Email.value=="") {
missinginfo += "\n     - E-Mail Address";
}

if (missinginfo != "") {
missinginfo = "The following fields are required.\n" +
"_____________________________\n" +
missinginfo + "\n_____________________________\n" +
"\nPlease ensure that they're filled in and submit again.";
alert(missinginfo);
return false;
}
else return true;
}