diff --git a/plugin/SeekButton/SeekButton.php b/plugin/SeekButton/SeekButton.php
index 18b6c30025..15c4a3f03b 100644
--- a/plugin/SeekButton/SeekButton.php
+++ b/plugin/SeekButton/SeekButton.php
@@ -1,70 +1,70 @@
-<?php
-
-global $global;
-require_once $global['systemRootPath'] . 'plugin/Plugin.abstract.php';
-
-class SeekButton extends PluginAbstract {
-
-    public function getTags() {
-        return array(
-            PluginTags::$FREE,
-            PluginTags::$PLAYER,
-        );
-    }
-    public function getDescription() {
-        return "Add seek buttons to the control bar";
-    }
-
-    public function getName() {
-        return "SeekButton";
-    }
-
-    public function getUUID() {
-        return "f5c30980-9530-4650-8eab-9ab461ea6fdb";
-    }
-
-    public function getPluginVersion() {
-        return "1.1";
-    }
-
-    public function getEmptyDataObject() {
-        global $global;
-        $obj = new stdClass();
-        $obj->forward = 30;
-        $obj->back = 10;
-        return $obj;
-    }
-
-    public function getHeadCode() {
-        global $global;
-        $css = "";
-        if (isVideoPlayerHasProgressBar()) {
-            $css = '<link href="' .getCDN() . 'plugin/SeekButton/videojs-seek-buttons/videojs-seek-buttons.css?'. filectime($global['systemRootPath'] . 'plugin/SeekButton/videojs-seek-buttons/videojs-seek-buttons.css').'" rel="stylesheet" type="text/css"/>';
-            $css .= '<link href="' .getCDN() . 'plugin/SeekButton/seek.css?'. filectime($global['systemRootPath'] . 'plugin/SeekButton/seek.css').'" rel="stylesheet" type="text/css"/>';
-            $css .= '<style>.video-js .vjs-seek-button {font-size: 25px;width: 2em !important;}</style>';
-            if(isMobile()){
-                $css .= '<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">';
-            }
-        }
-        return $css;
-    }
-
-    public function getFooterCode() {
-        global $global;
-        if (isVideoPlayerHasProgressBar()) {
-            $obj = $this->getDataObject();
-            $js = "";
-            if (isVideoPlayerHasProgressBar()) {
-                $js .= '<script src="' .getCDN() . 'plugin/SeekButton/videojs-seek-buttons/videojs-seek-buttons.min.js" type="text/javascript"></script>';
-                $js .= '<script>'
-                        . 'var playerSeekForward = ' . $obj->forward . '; '
-                        . 'var playerSeekBack = ' . $obj->back . ';'
-                        . 'var forwardLayer = ' . json_encode(file_get_contents($global['systemRootPath']."plugin/SeekButton/forward.html")) . ';'
-                        . 'var backLayer = ' . json_encode(file_get_contents($global['systemRootPath']."plugin/SeekButton/back.html")) . ';'
-                        . '</script>';
-                $js .= '<script>'.PlayerSkins::getStartPlayerJS(file_get_contents($global['systemRootPath']."plugin/SeekButton/seek.js")).'</script>';
-            }
-            return $js;
-        }
-    }
-}
+<?php
+
+global $global;
+require_once $global['systemRootPath'] . 'plugin/Plugin.abstract.php';
+
+class SeekButton extends PluginAbstract {
+
+    public function getTags() {
+        return array(
+            PluginTags::$FREE,
+            PluginTags::$PLAYER,
+        );
+    }
+    public function getDescription() {
+        return "Add seek buttons to the control bar";
+    }
+
+    public function getName() {
+        return "SeekButton";
+    }
+
+    public function getUUID() {
+        return "f5c30980-9530-4650-8eab-9ab461ea6fdb";
+    }
+
+    public function getPluginVersion() {
+        return "1.1";
+    }
+
+    public function getEmptyDataObject() {
+        global $global;
+        $obj = new stdClass();
+        $obj->forward = 30;
+        $obj->back = 10;
+        return $obj;
+    }
+
+    public function getHeadCode() {
+        global $global;
+        $css = "";
+        if (isVideoPlayerHasProgressBar() && !isMobile()) {
+            $css = '<link href="' .getURL('plugin/SeekButton/videojs-seek-buttons/videojs-seek-buttons.css') .'" rel="stylesheet" type="text/css"/>';
+            $css .= '<link href="' .getURL('plugin/SeekButton/seek.css') .'" rel="stylesheet" type="text/css"/>';
+            $css .= '<style>.video-js .vjs-seek-button {font-size: 25px;width: 2em !important;}</style>';
+            if(isMobile()){
+                $css .= '<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">';
+            }
+        }
+        return $css;
+    }
+
+    public function getFooterCode() {
+        global $global;
+        if (isVideoPlayerHasProgressBar() && !isMobile()) {
+            $obj = $this->getDataObject();
+            $js = "";
+            if (isVideoPlayerHasProgressBar()) {
+                $js .= '<script src="' .getURL('plugin/SeekButton/videojs-seek-buttons/videojs-seek-buttons.min.js') . '" type="text/javascript"></script>';
+                $js .= '<script>'
+                        . 'var playerSeekForward = ' . $obj->forward . '; '
+                        . 'var playerSeekBack = ' . $obj->back . ';'
+                        . 'var forwardLayer = ' . json_encode(file_get_contents($global['systemRootPath']."plugin/SeekButton/forward.html")) . ';'
+                        . 'var backLayer = ' . json_encode(file_get_contents($global['systemRootPath']."plugin/SeekButton/back.html")) . ';'
+                        . '</script>';
+                $js .= '<script>'.PlayerSkins::getStartPlayerJS(file_get_contents($global['systemRootPath']."plugin/SeekButton/seek.js")).'</script>';
+            }
+            return $js;
+        }
+    }
+}