thx, easy solution if the used browser supports activeX.
Interesting that sandbox could be that easy to circumvent - on which browsers did you test?
Not even a warning that the process was trying to put some files on the machine?

>Here is solution.
>
>somewhere in BODY section I put listener to read gps coordinates on right click
>
>google.maps.event.addListener(map, "rightclick", function(event)
>{
> var lat = event.latLng.lat();
> var lng = event.latLng.lng();
> // populate yor box/field with lat, lng mayby some other fieds you need for location, perhaps create marker
>
> var StoreToFile= "lat"+lat+"#"+"long"+lng
>
> WriteToFile(StoreToFile)
>}
>);
>
>At the end of SCRIPT section
>
>function WriteToFile(sText)
>{
>var fso = new ActiveXObject("Scripting.FileSystemObject");
>var FileObject = fso.OpenTextFile("C:\\tmp\\LogFile.txt", 8, true,0); // 8=append, true=create if not exist, 0 = ASCII
>FileObject.writeline(sText)
>FileObject.close()
>}
>
>
>Voila, now I can manipulate with data in my logfile.txt
>
>Thanks for all replies.