var newOpWin;
function openSubWindow(url, w, h){
	if (newOpWin && newOpWin.closed == false){
		newOpWin.close();
	}
	var param = "width=" + w + ",height=" + h + ",status=0,scrollbars=0";
	newOpWin = window.open(url,"subwin",param);
	newOpWin.focus();
}