timepicker, not working after second time ajax call..

timepicker, not working after second time ajax call..

HI,


  I am using above mentioned the timepicker. This picker, using only ajax call proceess. 
Initally, the first time ajax call, the timepicker is working. The next time, is not working... May i get some help to resolve this issues.

loaddata.php => parent file
   loadsubdata.php => child file. <this is ajax call file>

Below mentioned this code, had written in loadsubdata.php- Also included the dependent batch files


$('#txtTime').timepicker({
showPeriod: true,
showLeadingZero: true,
onSelect: function(selected,evnt) {
getTaskTimeCalculationForWorkedHours();
}
});