var bill = [];
     var billDate = [];
     $(document).ready(function(){
       $.ajax({
         url: '../Js/readData.php',
         data: "",
         dataType: 'json',
         success: function(data)
         {
           //var obj=JSON.parse(data);
           var obj=data;
           for (var x in obj)
             {
               bill.push(obj[x].Amount);
               billDate.push(obj[x].Dates);
             }
         }
      });