function dupes(id)	{
	x=0;
	for(i=1; i<=12; i++) {
		if(i == id) continue;
		if(document.getElementById('team' + id).value == document.getElementById('team' + i).value) {
			x++;
		}
	}

	if (x==0) return false;
	else {
		team = document.getElementById('team' + id).value;
		alert('You have already voted for this team.  Please select a different team.');
		document.getElementById('team' + id).value='';
	}
}

function finalize_ballot()	{
	x=0;
	for(i=1; i<=12; i++) {
		if(document.getElementById('team' + i).value == '') {
			x++;
			break;
		}
	}
	if (x>0) alert('You must select twelve teams.');
	else document.ballot.submit();
}