2 files changed, 10 insertions, 46 deletions

diff --git a/lib/rdoc/generator/template/json_index/js/navigation.js b/lib/rdoc/generator/template/json_index/js/navigation.js
index e41268123e..4866fff819 100644
--- a/lib/rdoc/generator/template/json_index/js/navigation.js
+++ b/lib/rdoc/generator/template/json_index/js/navigation.js
@@ -10,10 +10,8 @@ Navigation = new function() {
   this.initNavigation = function() {
     var _this = this;
 
-    $(document).keydown(function(e) {
+    document.addEventListener('keydown', function(e) {
       _this.onkeydown(e);
-    }).keyup(function(e) {
-      _this.onkeyup(e);
     });
 
     this.navigationActive = true;
@@ -21,20 +19,6 @@ Navigation = new function() {
 
   this.setNavigationActive = function(state) {
     this.navigationActive = state;
-    this.clearMoveTimeout();
-  }
-
-  this.onkeyup = function(e) {
-    if (!this.navigationActive) return;
-
-    switch(e.keyCode) {
-      case 37: //Event.KEY_LEFT:
-      case 38: //Event.KEY_UP:
-      case 39: //Event.KEY_RIGHT:
-      case 40: //Event.KEY_DOWN:
-        this.clearMoveTimeout();
-        break;
-    }
   }
 
   this.onkeydown = function(e) {
@@ -46,7 +30,6 @@ Navigation = new function() {
       case 38: //Event.KEY_UP:
         if (e.keyCode == 38 || e.ctrlKey) {
           if (this.moveUp()) e.preventDefault();
-          this.startMoveTimeout(false);
         }
         break;
       case 39: //Event.KEY_RIGHT:
@@ -55,34 +38,15 @@ Navigation = new function() {
       case 40: //Event.KEY_DOWN:
         if (e.keyCode == 40 || e.ctrlKey) {
           if (this.moveDown()) e.preventDefault();
-          this.startMoveTimeout(true);
         }
         break;
       case 13: //Event.KEY_RETURN:
-        if (this.$current)
+        if (this.current)
           e.preventDefault();
-          this.select(this.$current);
+          this.select(this.current);
         break;
     }
-    if (e.ctrlKey && e.shiftKey) this.select(this.$current);
-  }
-
-  this.clearMoveTimeout = function() {
-    clearTimeout(this.moveTimeout);
-    this.moveTimeout = null;
-  }
-
-  this.startMoveTimeout = function(isDown) {
-    if (!$.browser.mozilla && !$.browser.opera) return;
-    if (this.moveTimeout) this.clearMoveTimeout();
-    var _this = this;
-
-    var go = function() {
-      if (!_this.moveTimeout) return;
-      _this[isDown ? 'moveDown' : 'moveUp']();
-      _this.moveTimout = setTimeout(go, 100);
-    }
-    this.moveTimeout = setTimeout(go, 200);
+    if (e.ctrlKey && e.shiftKey) this.select(this.current);
   }
 
   this.moveRight = function() {
diff --git a/lib/rdoc/generator/template/json_index/js/searcher.js b/lib/rdoc/generator/template/json_index/js/searcher.js
index b3b1c58a0f..e200a168b0 100644
--- a/lib/rdoc/generator/template/json_index/js/searcher.js
+++ b/lib/rdoc/generator/template/json_index/js/searcher.js
@@ -51,20 +51,20 @@ Searcher.prototype = new function() {
 
   /*  ----- Utilities ------  */
   function splitQuery(query) {
-    return jQuery.grep(query.split(/(\s+|::?|\(\)?)/), function(string) {
+    return query.split(/(\s+|::?|\(\)?)/).filter(function(string) {
       return string.match(/\S/);
     });
   }
 
   function buildRegexps(queries) {
-    return jQuery.map(queries, function(query) {
+    return queries.map(function(query) {
       return new RegExp(query.replace(/(.)/g, '([$1])([^$1]*?)'), 'i');
     });
   }
 
   function buildHilighters(queries) {
-    return jQuery.map(queries, function(query) {
-      return jQuery.map(query.split(''), function(l, i) {
+    return queries.map(function(query) {
+      return query.split('').map(function(l, i) {
         return '\u0001$' + (i*2+1) + '\u0002$' + (i*2+2);
       }).join('');
     });
@@ -221,9 +221,9 @@ Searcher.prototype = new function() {
   }
 
   function triggerResults(results, isLast) {
-    jQuery.each(this.handlers, function(i, fn) {
+    this.handlers.forEach(function(fn) {
       fn.call(this, results, isLast)
-    })
+    });
   }
 }