Velocity to make json

vel-js.html

  <script type="text/javascript">
#set($left_b = "{")
#set($right_b = "}")
#set($colon = ":")
#set($comma = ",")
#set($ar_size = $my_id_array.size())
#foreach($item in $my_id_array)
#set($a_i = "${quote}$item.cnt${quote}${colon}${left_b}${quote}id${quote}${colon}${quote}${item.id}${quote}${comma}${quote}urlmap${quote}${colon}${quote}${item.urlmap}${quote}${right_b}#if($velocityCount<$ar_size)${comma}#end")
#if($velocityCount == 1)
#set($my_json = "$a_i")
#else
#set($my_json = "${my_json}$a_i")
#end
#end
#set($final_json = "{${my_json}}")
var my_json = $final_json;
console.log(my_json[12].id);
var id_array_lng = id_array.length;
var cnt = $cnt
jQuery(document).ready( function() {
var options = {pgid_array: id_array, pgcnt: cnt}
Page.initialize( options );
    // Bind via array of elements / jQuery object
});
  </script>