function validateForm(f) {
    if (document.forms[0].email.value == "") {
	alert("Please enter your e-mail address");
	return false;
    }
    else if (document.forms[0].emailBody.value == "") {
	alert("Please enter an e-mail message");
	return false;
    }
    else if ((document.getElementById('emailBody').value.indexOf('>') != -1) || (document.getElementById('emailBody').value.indexOf('<') != -1)) {
	alert("'>' and '<' are not allowed in the email body");
	return false;
    }

    return true;
}