Other script connection

Signed-off-by: Valentin Popov <info@valentineus.link>

_includes/javascript.html

@@ -1,77 +1,2 @@
 <!-- Updates track names -->
-<script type="text/javascript">
-  'use strict';
-
-  /**
-   * @param {String} parameterName - Variable name
-   * @returns {String} Value of variable
-   * @description Searches for the value of the GET variable on the page.
-   */
-  function findGetParameter(parameterName) {
-    var result = null;
-    var tmp = [];
-
-    var items = window.location.search.substr(1).split('&');
-    for (var index = 0; index < items.length; index++) {
-      tmp = items[index].split('=');
-      if (tmp[0] === parameterName) {
-        result = decodeURIComponent(tmp[1]);
-      }
-    }
-
-    return result;
-  }
-
-  /**
-   * @param {String} artistTrack - Artist of the track
-   * @param {String} titleTrack - Name of the track
-   * @description Updates the data on the page. Displays a pop-up window if the
-   * data has changed.
-   */
-  function updateData(artistTrack, titleTrack) {
-    /* Gets items on the page */
-    var displayElement = document.getElementById('display');
-    var artistElement = document.getElementById('artist');
-    var titleElement = document.getElementById('title');
-
-    if (artistElement.textContent !== artistTrack || titleElement.textContent !== titleTrack) {
-      /* Updates text */
-      document.title = artistTrack + ' - ' + titleTrack;
-      artistElement.textContent = artistTrack;
-      titleElement.textContent = titleTrack;
-
-      /* Displays a pop-up window */
-      displayElement.style['animation-name'] = 'fadeIn';
-
-      setTimeout(function () {
-        /* Removes a pop-up window */
-        displayElement.style['animation-name'] = 'fadeOut';
-      }, 5000);
-    }
-  }
-
-  var client = new XMLHttpRequest();
-  var radio = findGetParameter('radio');
-  var url = '//somafm.com/songs/' + radio + '.xml';
-
-  /* Processes response */
-  client.onload = function () {
-    if (client.readyState === client.DONE) {
-      if (this.status === 200 && this.responseXML !== null) {
-        /* Gets current track */
-        var current = this.responseXML.getElementsByTagName('song')[0];
-        var artist = current.getElementsByTagName('artist')[0].textContent;
-        var title = current.getElementsByTagName('title')[0].textContent;
-
-        /* Updates data */
-        updateData(artist, title);
-      }
-    }
-  };
-
-  /* Update cycle */
-  setInterval(function () {
-    client.open('GET', url);
-    client.send();
-  }, 10000);
-</script>
+<script type="text/javascript" src="{{ '/assets/javascript/script.js' | relative_url | uri_escape }}"></script>