function openWindow(_url, _title, _width, _height)
{
var astr = '';
var param = '';
param = 'width=' + _width + ',height=' + _height + ',toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizeable=no,copyhistory=no';
NewWindow = window.open('','', param);
ndoc = NewWindow.document;
ndoc.close();
ndoc.open();
astr += '\r\n';
astr += ' '+_title+'\r\n';
astr += ' \r\n';
astr += ' 
\r\n';
astr += ' \r\n';
astr += '';
ndoc.write(astr);
ndoc.close();
self.win = NewWindow;
}