var newWin=null;
function openWin(pageName)
{
	if ((newWin == null) || (newWin.closed))
		newWin = window.open(pageName,"","width=550,height=380,status=no,menubar=yes,toolbar=no,scrollbars=yes")
	else
		newWin.location.href = pageName

	newWin.focus();
}