// validate form
function validate_form() {
position1 = document.getElementById("position1").value;
lname = document.getElementById("lname").value;
fname = document.getElementById("fname").value;
mname = document.getElementById("mname").value;
bday_month = document.getElementById("bday_month").value;
bday_day = document.getElementById("bday_day").value;
bday_year = document.getElementById("bday_year").value;
email = document.getElementById("email").value;

if (position1 == "") {
alert('Position Applied is Required');
document.getElementById("position1").focus();
return false;
} else if (lname == "") {
alert('Last Name is Required');
document.getElementById("lname").focus();
return false;
} else if (fname == "") {
alert('First Name is Required');
document.getElementById("fname").focus();
return false;
} else if (mname == "") {
alert('Middle Name is Required');
document.getElementById("mname").focus();
return false;
} else if (mname.length < 2) {
alert('Middle Name should be complete');
document.getElementById("mname").focus();
return false;
} else if (email == "") {
alert('Email is Required');
document.getElementById("email").focus();
return false;
} else if (email.indexOf('@')<=0) {
alert('Invalid Email');
document.getElementById("email").focus();
return false;
} else if (bday_month == "") {
alert('Month of Birthday is Required');
document.getElementById("bday_month").focus();
return false;
} else if (bday_day == "") {
alert('Day of Birthday is Required');
document.getElementById("bday_day").focus();
return false;
} else if (bday_year == "") {
alert('Year of Birthday is Required');
document.getElementById("bday_year").focus();
return false;
}
return true;
}
// end of validate form