function ShowHide(year)
{
	if (year != null && year > 1900 && year < 999999)
	{
		var pnl = document.getElementById("divArchive"+year);
		var img = document.getElementById("imgArchive"+year);
		if(pnl){
			
			if (pnl.className == 'divArchiveYearBlock'){
				pnl.className = 'divArchiveYearBlockClosed';
				
				img.src = "/images/arrow_archive_right.gif";
			}
			else {
				pnl.className = 'divArchiveYearBlock';
				img.src = "/images/arrow_archive_down.gif";
			}
		}
	}
}