gist.js

(function(){
  var querystring=document.location.search;

  if(/a=er/i.test(querystring) || /nwr/i.test(querystring)) {

    $(_fid_7).attr({
      placeholder: "##-####(#)-####", 
      pattern: "[0-9]{2}-[0-9]{4,5}-[0-9]{4}"
    });

    $(_fid_8).attr({
      placeholder: "#####-###", 
      pattern: "[0-9]{5}[-][0-9]{3}"
    });

    $(_fid_9).attr({
      placeholder: "###.##", 
      pattern: "[0-9]{3}[.][0-9]{2}"
    });

    $(_fid_10).attr({
      placeholder: "###.##", 
      pattern: "[0-9]{3}[.][0-9]{2}"
    });

    $(_fid_8).on("keyup", function(){
      if ($(this).is(":invalid")) {
        $(this).css("color", "red");
      } else {
        $(this).css("color", "#333");
      }
    });

    $(_fid_7).on("blur", function(){
      if ($(this).is(":invalid")) {
        $(this).css("color", "red");
      } else {
        $(this).css("color", "#333");
      }
    });

    var originalClickHandler = $("#saveButton")
     .data("events").click[0].handler;

    $("#saveButton").unbind("click");

    $("#saveButton").click(function() {
      var yours = parseFloat(_fid_9.value);
      var mine = parseFloat(_fid_10.value);
      if (yours > mine) {
        _fid_9.value = mine;
        _fid_10.value = yours;
      }
      originalClickHandler();
    });

  }

})();