app.findTextPreferences.findWhat = "Info";   
        var _findInfo = _tfInfo.findText();   
        for (var n = _findInfo.length-1 ; n >=0 ; n--) {  
        var _findTR = _findInfo[n];  
        var _ObjektFormat = _findTR.parentTextFrames[0]; 

if (_tfInfo.characters.length) { 
... 
}