function checkfriend ( form )
{
	// ** START **
	if (form.message.value == "") {
        alert( "You forgot to write a message to your friend." );
        form.message.focus();
        return false ;
    }
	if (form.recipient_first.value == "") {
        alert( "You forgot to enter your friend's first name." );
        form.recipient_first.focus();
        return false ;
    }
    if (form.recipient_last.value == "") {
        alert( "You forgot to enter your friend's last name." );
        form.recipient_last.focus();
        return false ;
    }
    if (form.recipient_email.value == "") {
        alert( "You forgot to enter your friend's email address." );
        form.recipient_email.focus();
        return false ;
    }
    if (form.sender_first.value == "") {
        alert( "You forgot to enter your first name." );
        form.sender_first.focus();
        return false ;
    }
    if (form.sender_last.value == "") {
        alert( "You forgot to enter your last name." );
        form.sender_last.focus();
        return false ;
    }
    if (form.sender_email.value == "") {
        alert( "You forgot to enter your email address." );
        form.sender_email.focus();
        return false ;
    }
	// ** END **
		return true ;
}