diff --git a/lib/form/url.php b/lib/form/url.php
index 1193086c332..2e624633281 100644
--- a/lib/form/url.php
+++ b/lib/form/url.php
@@ -109,7 +109,7 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
         if (count($options->repositories) > 0) {
             $straddlink = get_string('choosealink', 'repository');
             $str .= <<<EOD
-<button id="filepicker-button-{$client_id}" style="display:none">
+<button id="filepicker-button-{$client_id}" class="visibleifjs">
 $straddlink
 </button>
 EOD;
@@ -120,7 +120,6 @@ EOD;
 
         $module = array('name'=>'form_url', 'fullpath'=>'/lib/form/url.js', 'requires'=>array('core_filepicker'));
         $PAGE->requires->js_init_call('M.form_url.init', array($options), true, $module);
-        $PAGE->requires->js_function_call('show_item', array('filepicker-button-'.$client_id));
 
         return $str;
     }
diff --git a/lib/javascript-static.js b/lib/javascript-static.js
index 4475f5ab020..50baa5de017 100644
--- a/lib/javascript-static.js
+++ b/lib/javascript-static.js
@@ -1383,12 +1383,14 @@ function close_window(e) {
 
 /**
  * Used in a couple of modules to hide navigation areas when using AJAX
+ * @deprecated since Moodle 2.7. This function will be removed in Moodle 2.9.
  */
-
 function show_item(itemid) {
-    var item = document.getElementById(itemid);
+    Y.log('show_item has been deprecated since Moodle 2.7 and will be removed in Moodle 2.9',
+            'warn', 'javascript-static.js');
+    var item = Y.one('#' + itemid);
     if (item) {
-        item.style.display = "";
+        item.show();
     }
 }
 
diff --git a/mod/data/field/url/field.class.php b/mod/data/field/url/field.class.php
index 48440232b32..fdcfc56940c 100644
--- a/mod/data/field/url/field.class.php
+++ b/mod/data/field/url/field.class.php
@@ -63,7 +63,7 @@ class data_field_url extends data_field_base {
             $str .= '<label class="accesshide" for="' . $fieldid . '">'. $this->field->name .'</label>';
             $str .= '<input type="text" name="field_'.$this->field->id.'_0" id="'.$fieldid.'" value="'.s($url).'" size="60" />';
             if (count($options->repositories) > 0) {
-                $str .= '<button id="filepicker-button-'.$options->client_id.'" style="display:none">'.$straddlink.'</button>';
+                $str .= '<button id="filepicker-button-'.$options->client_id.'" class="visibleifjs">'.$straddlink.'</button>';
             }
         }
 
@@ -72,7 +72,6 @@ class data_field_url extends data_field_base {
 
         $module = array('name'=>'data_urlpicker', 'fullpath'=>'/mod/data/data.js', 'requires'=>array('core_filepicker'));
         $PAGE->requires->js_init_call('M.data_urlpicker.init', array($options), true, $module);
-        $PAGE->requires->js_function_call('show_item', array('filepicker-button-'.$options->client_id));
 
         $str .= '</div>';
         return $str;