function popup(url,width,height,name)
	{
		var params = 'width='+width+', height='+height;
		params += ', directories=no';
		params += ', location=no';
		params += ', menubar=no';
		params += ', resizable=no';
		params += ', scrollbars=no';
		params += ', status=no';
		params += ', toolbar=no';
		newwin=window.open(url,name, params);
		return false;
	}