diff --git a/js/checkbox.js b/js/checkbox.js
index d39605e..62299b7 100755
--- a/js/checkbox.js
+++ b/js/checkbox.js
@@ -1,3 +1,19 @@
+/**
+ * @file
+ * Customization of checkbox.
+ */
+
+((Drupal) => {
+  /**
+   * Constructs a checkbox input element.
+   *
+   * @return {string}
+   *   A string representing a DOM fragment.
+   */
+  Drupal.theme.checkbox = () =>
+    '<input type="checkbox" class="form-checkbox form-boolean form-boolean--type-checkbox"/>';
+})(Drupal);
+
 jQuery( window ).on( "load", function() {
 //	console.log( "window loaded" );
 	//jQuery(".mirador80").remove();
@@ -5,10 +21,3 @@ jQuery( window ).on( "load", function() {
 //	jQuery('.mirador104 button.MuiButtonBase-root.MuiIconButton-root').trigger('click');
 
 });
-jQuery(window).on('load', function () {
-
-    if (jQuery(window).width() <= 999) {
-	console.log( "the search block is placed with js" );
-      jQuery('#block-olivesdocs-solrsearchcontentadvancedsearchforpage').prependTo('#content');
-    } 
-  });
diff --git a/js/misc.js b/js/misc.js
new file mode 100755
index 0000000..c2a9edc
--- /dev/null
+++ b/js/misc.js
@@ -0,0 +1,7 @@
+jQuery(window).on('load', function () {
+
+    if (jQuery(window).width() <= 999) {
+	console.log( "the search block is placed with js" );
+      jQuery('#block-olivesdocs-solrsearchcontentadvancedsearchforpage').prependTo('#content');
+    } 
+  });