Google maps api v3 LatLng conversion error -

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i'm doing ajax call request position , move marker relative position is. problem latlng command returns (nan,nan) though variable "data" contains position. doing wrong here?

  function marker()   {         $.get("ajax.php", { do: "getpos" }, function(data){             var latlng = new google.maps.latlng(data);                 alert(latlng);             beachmarker.setposition(latlng);         });         //settimeout( "marker()", 10000);   }

as documentation says, latlng constructor should have 2 parameters, both must numbers. ajax response can't of number type. string, should split , parse numbers passing latlng constructor.


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