/// <reference path="jQuery-vsdoc.js"/>

$.fn.decmask = function() {
  $(this).keydown(function(e) {
    // backspace
    if (e.which == 8 || 
        e.which == 9 || 
        e.which == 37 || 
        e.which == 39 || 
        (e.which >= 48 && e.which <= 57) || 
        (e.which >= 96 && e.which <= 105) || 
        e.which == 190) 
      return true;
    return false;
  });
}