function openWin(url, height, width)
	{
		try { garten.close(); } catch (e) { } //ignore error
		garten = window.open(url,'garten','height='+height+',width='+width);
		if (!garten.focus()) garten.focus();
		return false;
	}
	
	//function errorHandler() { return true; }
	//window.onerror = errorHandler;