function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }
      
         function isContactKey(evt)
      	{
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode!=43 && charCode!=45)
            return false;

         return true;
      }
/*
     FILE ARCHIVED ON 05:12:18 Jan 04, 2018 AND RETRIEVED FROM THE
     INTERNET ARCHIVE ON 08:04:30 Feb 08, 2020.
     JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/
/*
playback timings (ms):
  LoadShardBlock: 200.413 (3)
  exclusion.robots.policy: 0.297
  PetaboxLoader3.resolve: 51.342
  RedisCDXSource: 2.96
  exclusion.robots: 0.315
  load_resource: 216.192
  esindex: 0.018
  PetaboxLoader3.datanode: 281.634 (4)
  captures_list: 237.865
  CDXLines.iter: 29.868 (3)
*/