function checkFields() {

	missinginfo = "";

	if (document.form.name.Total_amount_Brainwave_receives == "") {
		missinginfo += "\n     -  Total amount Brainwave receives";
	}



	if (document.form.name.value == "") {
		missinginfo += "\n     -  Your Name";
	}


	if ((document.form.email.value == "") || 
		(document.form.email.value.indexOf('@') == -1) || 
		(document.form.email.value.indexOf('.') == -1)) {
		missinginfo += "\n     -  e-mail address";
	}

	if (document.form.Postcode.value == "") {
		missinginfo += "\n     -  Your Postcode";
	}

	if ((document.form.payroll_email_address.value == "") || 
		(document.form.payroll_email_address.value.indexOf('@') == -1) || 
		(document.form.payroll_email_address.value.indexOf('.') == -1)) {
		missinginfo += "\n     - Your payroll department's email address";
	}


	if (missinginfo != "") {
		missinginfo ="_____________________________\n" +
		"Please correctly fill in your:\n" +
		missinginfo + "\n_____________________________" +
		"\nThen submit again. Thank you.";
		alert(missinginfo);
		return false;
	}
	else return true;
}