Issue 3346 - Remove edge subscription form

static/js/index.js

 (function()
 {
-  function addListener(obj, type, listener, useCapture)
-  {
-    if ("addEventListener" in obj)
-    {
-      obj.addEventListener(type, function(ev)
-      {
-        if (listener(ev) === false)
-          ev.preventDefault();
-      }, useCapture);
-    }
-    else
-    {
-      // IE 8
-      if (type == "DOMContentLoaded")
-        type = "readystatechange";
-
-      type = "on" + type;
-      if ("attachEvent" in obj)
-      {
-        obj.attachEvent(type, function()
-        {
-          if (document.readyState == "complete" && listener(event) === false)
-            event.returnValue = false;
-        });
-      }
-      else
-      {
-        obj[type] = listener;
-      }
-    }
-  }
-
-  function addPlaceholder(textbox)
-  {
-    textbox.setAttribute("class", "placeholder");
-    textbox.value = getPlaceholderText(textbox);
-  }
-
-  function getPlaceholderText(textbox)
-  {
-    return textbox.getAttribute("placeholder");
-  }
-
-  function initSubscriptionForm(subscriptionElement)
-  {
-    var emailTextbox = subscriptionElement.querySelectorAll(".subscribe-textbox")[0];
-    var reset = subscriptionElement.querySelectorAll(".reset-form")[0];
-
-    // IE9 + Safari iOS
-    if (!("placeholder" in document.createElement("input"))
-        && !emailTextbox.value)
-    {
-      addPlaceholder(emailTextbox);
-      addListener(emailTextbox, "focus", function()
-      {
-        if (emailTextbox.value == getPlaceholderText(emailTextbox))
-        {
-          emailTextbox.value = "";
-          emailTextbox.setAttribute("class", "");
-        }
-      }, false);
-
-      addListener(emailTextbox, "blur", function()
-      {
-        if (!emailTextbox.value)
-          addPlaceholder(emailTextbox);
-      }, false);
-    }
-
-    var formElement = subscriptionElement.getElementsByTagName("form")[0];
-    addListener(formElement, "submit", function()
-    {
-      if (!window.XMLHttpRequest)
-      {
-        formElement.submit();
-        return false;
-      }
-
-      var inputs = formElement.getElementsByTagName("input");
-      var params = "";
-      for (var i = 0; i < inputs.length; i++)
-      {
-        if (params)
-          params += "&";
-        params += inputs[i].name + "=" + encodeURIComponent(inputs[i].value);
-      }      
-      var request = new XMLHttpRequest();
-      request.open("POST", "/submitEmail", true);
-      request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
-      addListener(request, "readystatechange", function()
-      {
-        if (request.readyState == 4)
-        {
-          if (request.status >= 200 && request.status < 300)
-          {
-            formElement.setAttribute("class", "success");
-          }
-          else if (request.status == 400)
-          {
-            formElement.setAttribute("class", "invalid");
-          }
-          else
-          {
-            var errorWrapper = document.getElementById("response-error");
-            if ("textContent" in errorWrapper)
-              errorWrapper.textContent = request.statusText;
-            else // IE8
-              errorWrapper.innerText = request.statusText;
-
-            formElement.setAttribute("class", "error");
-          }
-        }
-      }, false);
-      request.send(params);
-      return false;
-    }, false);
-
-    addListener(reset, "click", function()
-    {
-      formElement.removeAttribute("class");
-      return false;
-    }, false);
-  }
-
   var visibleTab;
   var container;
 
   window.toggleMore = function()
   {
     if (container.className == "hidden")
       container.className = visibleTab || getDefaultTab();
     else
       container.className = "hidden";
   }
 
   window.showTab = function(button)
   {
     var id = button.id.substr(5);
     container.className = id;
     visibleTab = id;
   }
 
   function getDefaultTab()
   {
     var content = document.getElementById("content");
     var ua = content.className.match(/ua\-([^\s]+)/);
     visibleTab = ua && ua[1] || "firefox";
     return visibleTab;
   }
 
   function init()
   {
     container = document.getElementById("more-container");
-    initSubscriptionForm(document.getElementById("edge-subscription"));
   }
 
   init();
 })();