--- /dev/null
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// copied from $GOROOT/doc/godocs.js
+
+function bindEvent(el, e, fn) {
+ if (el.addEventListener) {
+ el.addEventListener(e, fn, false);
+ } else if (el.attachEvent) {
+ el.attachEvent('on' + e, fn);
+ }
+}
+
+function godocs_bindSearchEvents() {
+ var search = document.getElementById('search');
+ if (!search) {
+ // no search box (index disabled)
+ return;
+ }
+ function clearInactive() {
+ if (search.className == 'inactive') {
+ search.value = '';
+ search.className = '';
+ }
+ }
+ function restoreInactive() {
+ if (search.value !== '') {
+ return;
+ }
+ if (search.type != 'search') {
+ search.value = search.getAttribute('placeholder');
+ }
+ search.className = 'inactive';
+ }
+ restoreInactive();
+ bindEvent(search, 'focus', clearInactive);
+ bindEvent(search, 'blur', restoreInactive);
+}
+
+bindEvent(window, 'load', godocs_bindSearchEvents);