$oldNum = 1;
$i = 1;
function changeCity($j) {
	$boxId = "citybox";
	$linkId = "citylink";
	if ($j != $i) {
		document.getElementById($boxId + $i).style.display = "none";
		document.getElementById($boxId + $j).style.display = "block";
		document.getElementById($linkId + $i).className = "";
		document.getElementById($linkId + $j).className = "active";				
	}
	$i = $j;
}
function changeNews($Num) {
	$boxId = "newsbox";
	$linkId = "newslink";
	if ($Num != $oldNum) {
		document.getElementById($boxId + $oldNum).style.display = "none";
		document.getElementById($boxId + $Num).style.display = "block";
		document.getElementById($linkId + $oldNum).className = "";
		document.getElementById($linkId + $Num).className = "active";				
	}
	$oldNum = $Num;
}