Subscribe onscroll

by kompiajaib

HTML

<button onclick="eraseCookie('hideDialog');">Hapus Kuki</button>
<script>
  var appended = false,
    bookmark = document.createElement("div");
  bookmark.id = "subscribeOnscroll";
  bookmark.innerHTML = '<div class="subscribe_box2 slideInUp">\
<div id="subscribe-box2">\
  <p class="subs-title">SUBSCRIBE <span class="subs-title2">to Our Newsletter</span></p>\
                 <p>Sign up here with your email address to receive updates from this blog in your inbox.</p>\
             <div class="emailfield">\
              <form action="//feedburner.google.com/fb/a/mailverify" method="post" onsubmit="window.open(&apos;//feedburner.google.com/fb/a/mailverify?uri=KompiAjaib&apos;, &apos;popupwindow&apos;, &apos;scrollbars=yes,width=550,height=520&apos;);return true" target="popupwindow">\
               <span class="form-name">\
               <input name="name" onblur="if (this.value == &quot;&quot;) {this.value = &quot;Your Name&quot;;}" onfocus="if (this.value == &quot;Your Name&quot;) {this.value = &quot;&quot;;}" type="text" value="Your Name"/></span>\
               <span class="clear"></span>\
               <span class="form-email">\
               <input name="email" onblur="if (this.value == &quot;&quot;) {this.value = &quot;Your Email&quot;;}" onfocus="if (this.value == &quot;Your Email&quot;) {this.value = &quot;&quot;;}" type="text" value="Your Email"/></span>\
<input name="uri" type="hidden" value="KompiAjaib"/>\
<input name="loc" type="hidden" value="en_US"/>\
                <span class="form-button">\
                <input class="submitbutton" type="submit" onclick="hidesubscribebox()" value="Subscribe Now!"/></span>\
              </form>\
             </div>\
</div>\
<div class="close-shareOnscroll" onclick="hidesubscribe()">&#215;</div>\
              </div>\
';

  function hidesubscribe() {
    document.getElementById("subscribeOnscroll").style.display = "none"
  }

  function hidesubscribebox() {
   ...

CSS

body {
  height: 8000px
}

.subscribe_box2 {
  width: 400px;
  margin: 0;
  padding: 0;
  position: fixed;
  right: 0;
  bottom: 0;
}

#subscribe-box2 {
  width: 100%;
  height: auto;
  background-color: #fff;
  -webkit-box-shadow: 0px 10px 50px 0px rgba(0, 0, 0, 0.25);
  -moz-box-shadow: 0px 10px 50px 0px rgba(0, 0, 0, 0.25);
  box-shadow: 0px 10px 50px 0px rgba(0, 0, 0, 0.25);
  margin: 0;
  padding: 10px 0;
  border: 1px solid #dedede;
  border-right: 0;
  border-bottom: 0;
  border-radius: 5px 0 0 0
}

#subscribe-box2 p {
  font-size: 18px;
  color: #666;
  font-weight: 300;
  text-align: center;
  line-height: 20px;
  padding: 10px 20px 0;
  margin: 0
}

#subscribe-box2 .emailfield {
  padding: 0 20px 10px
}

#subscribe-box2 .emailfield input {
  color: #777;
  padding: 10px 10px 10px 30px;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 300;
  width: 100%;
  background: #ebebeb;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.247059) 0px 1px 3px inset, #f5f5f5 0px 1px 0px;
  box-shadow: rgba(0, 0, 0, 0.247059) 0px 1px 3px inset, #f5f5f5 0px 1px 0px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box
}

#subscribe-box2 .emailfield input:focus {
  outline: 0;
  background: #f5f5f5
}

#subscribe-box2 .emailfield .submitbutton {
  background: #F4836A;
  box-shadow: 0 4px 0 0 #cb5940;
  color: #fff!important;
  border: none;
  font-weight: 500;
  outline: 0;
  width: 100%;
  cursor: pointer;
  transition: all 400ms ease-in-out;
}

#subscribe-box2 .emailfield .submitbutton:hover,
#subscribe-box2 .emailfield .submitbutton:active {
  background: #fb6f50!important
}

#subscribe-box2 .subs-title {
  font-family: Roboto, sans-serif;
  font-weight: 900!important;
  color: #333!important;
  font-size: 24px!important
}

#subscribe-box2 .subs-title2 {
  font-family: Georgia, sans-serif;
  font-style: italic;
  font-weight: 400!important
}

#subscribe-box2 .form-name,
#subscribe-box2...