diff --git a/searchurl/ace.js b/searchurl/ace.js
new file mode 100644
index 0000000..b2ac9ec
--- /dev/null
+++ b/searchurl/ace.js
@@ -0,0 +1,35 @@
+var editor;
+onload=function(){
+  var e = document.getElementById("editor");
+  var ext = location.href.split('.').pop();
+  outer:{
+    switch(ext){
+    case "html":
+      {
+        var text = e.innerHTML;
+        editor = ace.edit(e);
+        editor.session.setValue(text);
+      }
+      break outer;
+    case "js":
+      ext = "javascript";
+    }
+    editor = ace.edit(e);
+  }
+  editor.session.setMode("ace/mode/"+ext);
+  editor.setTheme("ace/theme/clouds");
+  editor.setShowPrintMargin(false);
+  editor.setOptions({
+    enableBasicAutocompletion: true,
+    enableSnippets: true,
+    enableLiveAutocompletion: true
+  });
+}
+
+function onSave(fn){
+  let u8=new TextEncoder().encode(editor.session.getValue());let r='';for(let i=0;i<u8.byteLength;i++)r+=String.fromCharCode(u8[i]);location.href='i:0l'+fn+':'+btoa(r);
+}
+
+function onRun(fn){
+  location.href='i:0m'+fn;
+}
diff --git a/searchurl/ace.js~ b/searchurl/ace.js~
new file mode 100644
index 0000000..a048af9
--- /dev/null
+++ b/searchurl/ace.js~
@@ -0,0 +1,24 @@
+var editor;
+onload=function(){
+  function getMode(filename){
+    var ext = filename.split('.').pop();
+    var prefix = "ace/mode/";
+    if(!ext) return prefix + "text";
+
+    switch (ext) {
+    case "js":
+      return prefix + "javascript";
+    }
+    return prefix + ext;
+  }
+
+  editor = ace.edit("editor");
+  editor.setTheme("ace/theme/clouds");
+  editor.setShowPrintMargin(false);
+  editor.setOptions({
+    enableBasicAutocompletion: true,
+    enableSnippets: true,
+    enableLiveAutocompletion: true
+  });
+  editor.session.setMode(getMode(location.href));
+}
diff --git a/searchurl/ace_t.html b/searchurl/ace_t.html
new file mode 100644
index 0000000..ad19d11
--- /dev/null
+++ b/searchurl/ace_t.html
@@ -0,0 +1,15 @@
+<style type='text/css' media='screen'>
+    #editor {
+        position: absolute;
+        top: 0;
+        right: 0;
+        bottom: 0;
+        left: 0;
+    }
+</style>
+<script src='http://cdn.bootcss.com/ace/1.2.3/ace.js'></script>
+<script src='http://cdn.bootcss.com/ace/1.2.3/ext-language_tools.js'></script>
+<script src='ace.js'></script>
+<pre id='editor'>
+<h1>title</h1>
+<div>hi</div>
diff --git a/searchurl/ace_t.html~ b/searchurl/ace_t.html~
new file mode 100644
index 0000000..db1a054
--- /dev/null
+++ b/searchurl/ace_t.html~
@@ -0,0 +1,15 @@
+<style type="text/css" media="screen">
+    #editor {
+        position: absolute;
+        top: 0;
+        right: 0;
+        bottom: 0;
+        left: 0;
+    }
+</style>
+<script src="http://cdn.bootcss.com/ace/1.2.3/ace.js"></script>
+<script src="http://cdn.bootcss.com/ace/1.2.3/ext-language_tools.js"></script>
+<script src="ace.js"></script>
+<pre id="editor">
+<h1>title</h1>
+<div>hi</div>
diff --git a/searchurl/textarea.js b/searchurl/textarea.js
index bb8e011..5f7bd90 100644
--- a/searchurl/textarea.js
+++ b/searchurl/textarea.js
@@ -1,4 +1,8 @@
 var textarea;
+onload=function(){
+  textarea=document.getElementsByTagName('textarea')[0];
+}
+
 function getNewlinePos_back(text,pos){
   while(pos>=0 && text.charAt(pos)!='\n') pos--;
   return pos;
@@ -74,26 +78,6 @@ function moveDown(ta){
 }
 
 
-function onSave(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];let u8=new TextEncoder().encode(textarea.value);let r='';for(let i=0;i<u8.byteLength;i++)r+=String.fromCharCode(u8[i]);location.href='i:0l%f:'+btoa(r);
-}
-
-function onDelete(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];deleteLine(textarea);
-}
-
-function onUp(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];moveUp(textarea);
-}
-
-function onDown(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];moveDown(textarea);
-}
-
-function onTop(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];move2Top(textarea);
-}
-
-function onBottom(){
-  if(!textarea)textarea=document.getElementsByTagName('textarea')[0];move2Bottom(textarea);
+function onSave(fn){
+  let u8=new TextEncoder().encode(textarea.value);let r='';for(let i=0;i<u8.byteLength;i++)r+=String.fromCharCode(u8[i]);location.href='i:0l'+fn+':'+btoa(r);
 }
diff --git a/searchurl/textarea_t.html b/searchurl/textarea_t.html
index 348216f..94b31dd 100644
--- a/searchurl/textarea_t.html
+++ b/searchurl/textarea_t.html
@@ -1,7 +1,8 @@
-<style>div{position:fixed;}button{height:30px}
+<style>div{position:fixed;}button{width:13%;height:30px}
 textarea{margin-top:30px;width:100%;height:100%;border:none;outline:none}</style>
 <script src="textarea.js"></script>
 <div>
+<button onclick='onSave()'>Save</button>
 <button onclick="onDelete()">╳</button>
 <button onclick="onUp()">↑</button>
 <button onclick="onDown()">↓</button>