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 13:33:17 Feb 07, 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):
  PetaboxLoader3.resolve: 53.256
  esindex: 0.016
  load_resource: 160.201
  CDXLines.iter: 11.465 (3)
  RedisCDXSource: 1.044
  captures_list: 249.677
  PetaboxLoader3.datanode: 305.875 (4)
  LoadShardBlock: 234.296 (3)
  exclusion.robots: 0.14
  exclusion.robots.policy: 0.13
*/