old_contents: (function() {
    $("#get-info").click(function() {
      var JSONdata, apiUrl, buttonLabel;
      buttonLabel = $("#get-info").html();
      $("#get-info").attr('disabled', true);
      $("#get-info").html("Processing...");
      apiUrl = $("#api-url").val();
      $("#result-message").children().remove();
      $("td").remove();
      $.ajax({
        type: "get",
        url: apiUrl,
        success: function(data) {
          $("#get-info").attr('disabled', false);
          $("#get-info").html(buttonLabel);
  
  	var table = $("#result-table");
  
          function parseObjectField(obj) {
  	  var s = "";
  	  for (var key in obj) {
  	    s += obj[key][0] + ", ";
  	  }
  
            if (s.substr(-2, 2) === ", ") {
              s = s.slice(0, -2);
            }
  	  return s
          }
  
  	function createTableRows(dataObj, tableObj) {
  	  for (var i in dataObj) {
  	    var tr = $("<tr/>");
  	    var td1 = $("<td/>");
  	    var td2 = $("<td/>");
  	    td1.html($("#" + i + "-label").text())
  	    tr.append(td1);
  	    console.log(typeof(data[i]));
  	    if (typeof(data[i]) == "object") {
                td2.html(parseObjectField(data[i]));
              } else {
  	      td2.html(data[i]);
              }
  	    tr.append(td2);
  	    tableObj.append(tr);
  	  }
  	  return tableObj;
  	}
  
  	table = createTableRows(data, table);
  
          $("#information").append(table);
        },
        error: function(data) {
          var errMsg;
          errMsg = "Failed to get data by unknown reason.";
          console.log("ERROR: " + errMsg);
          p = $("<p/>").html(errMsg);
          $("#result-message").append(p);
          $("#get-info").attr('disabled', false);
          $("#get-info").html(buttonLabel);
        }
      });
    });
  
    return;
  
  }).call(this);
  
  function updateApiUrl() {
    var apiUrl = "/api?config=";
    var configs = ["ip", "host", "ua", "port", "lang", "connection", "encoding", "mime"];
  
    configs.forEach(function(item){
     if($("#" + item).prop('checked')) {
       apiUrl += item + ',';
     }
    });
  
   if (apiUrl.substr(-1, 1) === ",") {
     apiUrl = apiUrl.slice(0, -1);
   }
  
   $("#api-url").val(apiUrl);
  }
  
new_contents: (function() {
    $("#get-info").click(function() {
      var JSONdata, apiUrl, buttonLabel;
      buttonLabel = $("#get-info").html();
      $("#get-info").attr('disabled', true);
      $("#get-info").html("Fetching...");
      apiUrl = $("#api-url").val();
      $("#result-message").children().remove();
      $("td").remove();
      $.ajax({
        type: "get",
        url: apiUrl,
        success: function(data) {
          $("#get-info").attr('disabled', false);
          $("#get-info").html(buttonLabel);
  
  	var table = $("#result-table");
  
          function parseObjectField(obj) {
  	  var s = "";
  	  for (var key in obj) {
  	    s += obj[key][0] + ", ";
  	  }
  
            if (s.substr(-2, 2) === ", ") {
              s = s.slice(0, -2);
            }
  	  return s
          }
  
  	function createTableRows(dataObj, tableObj) {
  	  for (var i in dataObj) {
  	    var tr = $("<tr/>");
  	    var td1 = $("<td/>");
  	    var td2 = $("<td/>");
  	    td1.html($("#" + i + "-label").text())
  	    tr.append(td1);
  	    console.log(typeof(data[i]));
  	    if (typeof(data[i]) == "object") {
                td2.html(parseObjectField(data[i]));
              } else {
  	      td2.html(data[i]);
              }
  	    tr.append(td2);
  	    tableObj.append(tr);
  	  }
  	  return tableObj;
  	}
  
  	table = createTableRows(data, table);
  
          $("#information").append(table);
        },
        error: function(data) {
          var errMsg;
          errMsg = "Failed to get data by unknown reason.";
          console.log("ERROR: " + errMsg);
          p = $("<p/>").html(errMsg);
          $("#result-message").append(p);
          $("#get-info").attr('disabled', false);
          $("#get-info").html(buttonLabel);
        }
      });
    });
  
    return;
  
  }).call(this);
  
  function updateApiUrl() {
    var apiUrl = "/api?config=";
    var configs = ["ip", "host", "ua", "port", "lang", "connection", "encoding", "mime"];
  
    configs.forEach(function(item){
     if($("#" + item).prop('checked')) {
       apiUrl += item + ',';
     }
    });
  
   if (apiUrl.substr(-1, 1) === ",") {
     apiUrl = apiUrl.slice(0, -1);
   }
  
   $("#api-url").val(apiUrl);
  }
  
subject: Change button message while fetching data