function positionStat( key_id ){
	w = 660;
	h = 480;
	size = "height=" + h + ",width=" + w + ", status=no, toolbar=no, menubar=no, scrollbars=1'";
	if (parseInt(navigator.appVersion)>3) size+=",left="+(screen.width-w)/2+",top="+parseInt((screen.height -h)/2);
	url = "/position.stat/?key=" + key_id;
	open(url, 'stat_win', size);
}