diff --git a/libraries/functions-front.js b/libraries/functions-front.js
new file mode 100644
index 0000000..7c93a6a
--- /dev/null
+++ b/libraries/functions-front.js
@@ -0,0 +1,27 @@
+var user_agent 	= navigator.userAgent.toLowerCase();
+var click_event = user_agent.match(/(iphone|ipod|ipad)/)  ? "touchend" : "click";
+var windowsize = $(window).width();
+
+$( function()
+{
+  function hasWebP() {
+    var rv = $.Deferred(), img = new Image();
+    img.onload = function() { rv.resolve(); };
+    img.onerror = function() { rv.reject(); };
+    img.src = "/libraries/webp.webp";
+    return rv.promise();
+  }
+
+  hasWebP().then(function() {
+    }, function() {
+      $('body').addClass('nowebp');
+      $( 'img' ).each( function()
+      {
+        if ( $( this ).attr( 'src-nowebp' ) )
+        {
+          $( this ).attr( 'src', $( this ).attr( 'src-nowebp' ) );
+          $( this ).attr( 'data-src', $( this ).attr( 'src-nowebp' ) );
+        }
+      });
+  });
+});
\ No newline at end of file
diff --git a/templates_user/articles/article-full.php b/templates_user/articles/article-full.php
index d332f2f..da412e3 100644
--- a/templates_user/articles/article-full.php
+++ b/templates_user/articles/article-full.php
@@ -194,6 +194,7 @@
         buttons	: {}
       }
     });
+
     $(function () {
         $(".article-21 .nav-tabs li:nth-child(2)").find('a').trigger("click");
     })
diff --git a/templates_user/articles/article.php b/templates_user/articles/article.php
index 063a893..1eb18dd 100644
--- a/templates_user/articles/article.php
+++ b/templates_user/articles/article.php
@@ -140,6 +140,7 @@
           $text = $before . $out;
         }
       }
+
       $dom = new DomDocument('1.0', 'UTF-8');
       $dom -> loadHTML( '<?xml version="1.0" encoding="UTF-8"?>' . "\n" . $text );
       $elements = $dom -> getElementsByTagName( 'img' );