diff --git a/kallithea/templates/admin/gists/edit.html b/kallithea/templates/admin/gists/edit.html
--- a/kallithea/templates/admin/gists/edit.html
+++ b/kallithea/templates/admin/gists/edit.html
@@ -81,62 +81,63 @@
 
                 ## dynamic edit box.
                 <script type="text/javascript">
-                var myCodeMirror = initCodeMirror("editor_${h.FID('f',file.path)}", "${request.script_name}", '');
+                    $(document).ready(function(){
+                        var myCodeMirror = initCodeMirror("editor_${h.FID('f',file.path)}", "${request.script_name}", '');
+
+                        //inject new modes
+                        var $modes_select = $('#mimetype_${h.FID('f',file.path)}');
+                        $modes_select.each(function(){
+                            var modes_select = this;
+                            var index = 1;
+                            for(var i=0;i<CodeMirror.modeInfo.length;i++) {
+                                var m = CodeMirror.modeInfo[i];
+                                var opt = new Option(m.name, m.mime);
+                                $(opt).attr('mode', m.mode);
+                                if (m.mime == 'text/plain') {
+                                    // default plain text
+                                    $(opt).prop('selected', true);
+                                    modes_select.options[0] = opt;
+                                } else {
+                                    modes_select.options[index++] = opt;
+                                }
+                            }
+                        });
 
-                //inject new modes
-                var $modes_select = $('#mimetype_${h.FID('f',file.path)}');
-                $modes_select.each(function(){
-                    var modes_select = this;
-                    var index = 1;
-                    for(var i=0;i<CodeMirror.modeInfo.length;i++) {
-                        var m = CodeMirror.modeInfo[i];
-                        var opt = new Option(m.name, m.mime);
-                        $(opt).attr('mode', m.mode);
-                        if (m.mime == 'text/plain') {
-                            // default plain text
-                            $(opt).prop('selected', true);
-                            modes_select.options[0] = opt;
-                        } else {
-                            modes_select.options[index++] = opt;
-                        }
-                    }
-                });
+                        var $filename = $('#filename_${h.FID('f',file.path)}');
+                        // on select change set new mode
+                        $modes_select.change(function(e){
+                            var selected = e.currentTarget;
+                            var node = selected.options[selected.selectedIndex];
+                            var detected_mode = CodeMirror.findModeByMIME(node.value);
+                            setCodeMirrorMode(myCodeMirror, detected_mode);
+
+                            var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
+                            var file_data = CodeMirror.getFilenameAndExt($filename.val());
+                            var filename = file_data['filename'] || 'filename1';
+                            $filename.val(filename + '.' + proposed_ext);
+                        });
 
-                var $filename = $('#filename_${h.FID('f',file.path)}');
-                // on select change set new mode
-                $modes_select.change(function(e){
-                    var selected = e.currentTarget;
-                    var node = selected.options[selected.selectedIndex];
-                    var detected_mode = CodeMirror.findModeByMIME(node.value);
-                    setCodeMirrorMode(myCodeMirror, detected_mode);
+                        // on type the new filename set mode
+                        $filename.keyup(function(e){
+                            var file_data = CodeMirror.getFilenameAndExt(this.value);
+                            if(file_data['ext'] != null){
+                                var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
 
-                    var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
-                    var file_data = CodeMirror.getFilenameAndExt($filename.val());
-                    var filename = file_data['filename'] || 'filename1';
-                    $filename.val(filename + '.' + proposed_ext);
-                });
+                                if (detected_mode){
+                                    setCodeMirrorMode(myCodeMirror, detected_mode);
+                                    $modes_select.val(detected_mode.mime);
+                                }
+                            }
+                        });
 
-                // on type the new filename set mode
-                $filename.keyup(function(e){
-                    var file_data = CodeMirror.getFilenameAndExt(this.value);
-                    if(file_data['ext'] != null){
-                        var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
+                        // set mode on page load
+                        var detected_mode = CodeMirror.findModeByExtension("${file.extension}");
 
                         if (detected_mode){
                             setCodeMirrorMode(myCodeMirror, detected_mode);
                             $modes_select.val(detected_mode.mime);
                         }
-                    }
-                });
-
-                // set mode on page load
-                var detected_mode = CodeMirror.findModeByExtension("${file.extension}");
-
-                if (detected_mode){
-                    setCodeMirrorMode(myCodeMirror, detected_mode);
-                    $modes_select.val(detected_mode.mime);
-                }
-
+                    });
                 </script>
 
             %endfor
diff --git a/kallithea/templates/admin/gists/new.html b/kallithea/templates/admin/gists/new.html
--- a/kallithea/templates/admin/gists/new.html
+++ b/kallithea/templates/admin/gists/new.html
@@ -59,51 +59,53 @@
             </div>
           ${h.end_form()}
           <script type="text/javascript">
-            var myCodeMirror = initCodeMirror('editor', "${request.script_name}", '');
+            $(document).ready(function(){
+                var myCodeMirror = initCodeMirror('editor', "${request.script_name}", '');
 
-            //inject new modes
-            var $modes_select = $('#mimetype');
-            $modes_select.each(function(){
-                var modes_select = this;
-                var index = 1;
-                for(var i=0;i<CodeMirror.modeInfo.length;i++) {
-                    var m = CodeMirror.modeInfo[i];
-                    var opt = new Option(m.name, m.mime);
-                    $(opt).attr('mode', m.mode);
-                    if (m.mime == 'text/plain') {
-                        // default plain text
-                        $(opt).prop('selected', true);
-                        modes_select.options[0] = opt;
-                    } else {
-                        modes_select.options[index++] = opt;
+                //inject new modes
+                var $modes_select = $('#mimetype');
+                $modes_select.each(function(){
+                    var modes_select = this;
+                    var index = 1;
+                    for(var i=0;i<CodeMirror.modeInfo.length;i++) {
+                        var m = CodeMirror.modeInfo[i];
+                        var opt = new Option(m.name, m.mime);
+                        $(opt).attr('mode', m.mode);
+                        if (m.mime == 'text/plain') {
+                            // default plain text
+                            $(opt).prop('selected', true);
+                            modes_select.options[0] = opt;
+                        } else {
+                            modes_select.options[index++] = opt;
+                        }
                     }
-                }
-            });
+                });
 
-            var $filename = $('#filename');
-            // on select change set new mode
-            $modes_select.change(function(e){
-                var selected = e.currentTarget;
-                var node = selected.options[selected.selectedIndex];
-                var detected_mode = CodeMirror.findModeByMIME(node.value);
-                setCodeMirrorMode(myCodeMirror, detected_mode);
+                var $filename = $('#filename');
+                // on select change set new mode
+                $modes_select.change(function(e){
+                    var selected = e.currentTarget;
+                    var node = selected.options[selected.selectedIndex];
+                    var detected_mode = CodeMirror.findModeByMIME(node.value);
+                    setCodeMirrorMode(myCodeMirror, detected_mode);
 
-                var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
-                var file_data = CodeMirror.getFilenameAndExt($filename.val());
-                var filename = file_data['filename'] || 'filename1';
-                $filename.val(filename + '.' + proposed_ext);
-            });
+                    var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
+                    var file_data = CodeMirror.getFilenameAndExt($filename.val());
+                    var filename = file_data['filename'] || 'filename1';
+                    $filename.val(filename + '.' + proposed_ext);
+                });
 
-            // on type the new filename set mode
-            $filename.keyup(function(e){
-                var file_data = CodeMirror.getFilenameAndExt(this.value);
-                if(file_data['ext'] != null){
-                    var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
-                    if (detected_mode){
-                        setCodeMirrorMode(myCodeMirror, detected_mode);
-                        $modes_select.val(detected_mode.mime);
+                // on type the new filename set mode
+                $filename.keyup(function(e){
+                    var file_data = CodeMirror.getFilenameAndExt(this.value);
+                    if(file_data['ext'] != null){
+                        var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
+                        if (detected_mode){
+                            setCodeMirrorMode(myCodeMirror, detected_mode);
+                            $modes_select.val(detected_mode.mime);
+                        }
                     }
-                }
+                });
             });
           </script>
         </div>
diff --git a/kallithea/templates/files/files_add.html b/kallithea/templates/files/files_add.html
--- a/kallithea/templates/files/files_add.html
+++ b/kallithea/templates/files/files_add.html
@@ -66,50 +66,52 @@ ${self.repo_context_bar('files')}
             </div>
             ${h.end_form()}
             <script type="text/javascript">
-            var reset_url = "${h.url('files_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.f_path)}";
-            var myCodeMirror = initCodeMirror('editor', "${request.script_name}", reset_url);
+                $(document).ready(function(){
+                    var reset_url = "${h.url('files_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.f_path)}";
+                    var myCodeMirror = initCodeMirror('editor', "${request.script_name}", reset_url);
 
-            //inject new modes, based on codeMirrors modeInfo object
-            $('#set_mode').each(function(){
-                var modes_select = this;
-                var index = 1;
-                for(var i=0;i<CodeMirror.modeInfo.length;i++){
-                    var m = CodeMirror.modeInfo[i];
-                    var opt = new Option(m.name, m.mime);
-                    $(opt).attr('mode', m.mode);
-                    if (m.mime == 'text/plain') {
-                        // default plain text
-                        $(opt).prop('selected', true);
-                        modes_select.options[0] = opt;
-                    } else {
-                        modes_select.options[index++] = opt;
-                    }
-                }
-            });
-            $('#set_mode').change(function(e){
-                var selected = e.currentTarget;
-                var node = selected.options[selected.selectedIndex];
-                var detected_mode = CodeMirror.findModeByMIME(node.value);
-                setCodeMirrorMode(myCodeMirror, detected_mode);
+                    //inject new modes, based on codeMirrors modeInfo object
+                    $('#set_mode').each(function(){
+                        var modes_select = this;
+                        var index = 1;
+                        for(var i=0;i<CodeMirror.modeInfo.length;i++){
+                            var m = CodeMirror.modeInfo[i];
+                            var opt = new Option(m.name, m.mime);
+                            $(opt).attr('mode', m.mode);
+                            if (m.mime == 'text/plain') {
+                                // default plain text
+                                $(opt).prop('selected', true);
+                                modes_select.options[0] = opt;
+                            } else {
+                                modes_select.options[index++] = opt;
+                            }
+                        }
+                    });
+                    $('#set_mode').change(function(e){
+                        var selected = e.currentTarget;
+                        var node = selected.options[selected.selectedIndex];
+                        var detected_mode = CodeMirror.findModeByMIME(node.value);
+                        setCodeMirrorMode(myCodeMirror, detected_mode);
 
-                var filenameInput = $('#filename');
-                var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
-                var file_data = CodeMirror.getFilenameAndExt(filenameInput.val());
-                var filename = file_data['filename'] || 'filename1';
-                filenameInput.val(filename + '.' + proposed_ext);
-            });
+                        var filenameInput = $('#filename');
+                        var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);
+                        var file_data = CodeMirror.getFilenameAndExt(filenameInput.val());
+                        var filename = file_data['filename'] || 'filename1';
+                        filenameInput.val(filename + '.' + proposed_ext);
+                    });
 
-            // on type the new filename set mode
-            $('#filename').keyup(function(e){
-                var file_data = CodeMirror.getFilenameAndExt(this.value);
-                if(file_data['ext'] != null){
-                    var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
-                    if (detected_mode){
-                        setCodeMirrorMode(myCodeMirror, detected_mode);
-                        $('#set_mode').val(detected_mode.mime);
-                    }
-                }
-            });
+                    // on type the new filename set mode
+                    $('#filename').keyup(function(e){
+                        var file_data = CodeMirror.getFilenameAndExt(this.value);
+                        if(file_data['ext'] != null){
+                            var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');
+                            if (detected_mode){
+                                setCodeMirrorMode(myCodeMirror, detected_mode);
+                                $('#set_mode').val(detected_mode.mime);
+                            }
+                        }
+                    });
+                });
             </script>
         </div>
     </div>
diff --git a/kallithea/templates/files/files_edit.html b/kallithea/templates/files/files_edit.html
--- a/kallithea/templates/files/files_edit.html
+++ b/kallithea/templates/files/files_edit.html
@@ -73,40 +73,40 @@ ${self.repo_context_bar('files')}
 </div>
 
 <script type="text/javascript">
-$(document).ready(function(){
-    var reset_url = "${h.url('files_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.file.path)}";
-    var myCodeMirror = initCodeMirror('editor', "${request.script_name}", reset_url);
+    $(document).ready(function(){
+        var reset_url = "${h.url('files_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.file.path)}";
+        var myCodeMirror = initCodeMirror('editor', "${request.script_name}", reset_url);
 
-   //inject new modes, based on codeMirrors modeInfo object
-    $('#set_mode').each(function(){
-        var modes_select = this;
-        var index = 1;
-        for(var i=0;i<CodeMirror.modeInfo.length;i++){
-            var m = CodeMirror.modeInfo[i];
-            var opt = new Option(m.name, m.mime);
-            $(opt).attr('mode', m.mode);
-            if (m.mime == 'text/plain') {
-                // default plain text
-                $(opt).prop('selected', true);
-                modes_select.options[0] = opt;
-            } else {
-                modes_select.options[index++] = opt;
+       //inject new modes, based on codeMirrors modeInfo object
+        $('#set_mode').each(function(){
+            var modes_select = this;
+            var index = 1;
+            for(var i=0;i<CodeMirror.modeInfo.length;i++){
+                var m = CodeMirror.modeInfo[i];
+                var opt = new Option(m.name, m.mime);
+                $(opt).attr('mode', m.mode);
+                if (m.mime == 'text/plain') {
+                    // default plain text
+                    $(opt).prop('selected', true);
+                    modes_select.options[0] = opt;
+                } else {
+                    modes_select.options[index++] = opt;
+                }
             }
+        });
+        // try to detect the mode based on the file we edit
+        var detected_mode = CodeMirror.findModeByExtension("${c.file.extension}");
+        if(detected_mode){
+            setCodeMirrorMode(myCodeMirror, detected_mode);
+            $($('#set_mode option[value="'+detected_mode.mime+'"]')[0]).prop('selected', true);
         }
+
+        $('#set_mode').on('change', function(e){
+            var selected = e.currentTarget;
+            var node = selected.options[selected.selectedIndex];
+            var detected_mode = CodeMirror.findModeByMIME(node.value);
+            setCodeMirrorMode(myCodeMirror, detected_mode);
+        });
     });
-    // try to detect the mode based on the file we edit
-    var detected_mode = CodeMirror.findModeByExtension("${c.file.extension}");
-    if(detected_mode){
-        setCodeMirrorMode(myCodeMirror, detected_mode);
-        $($('#set_mode option[value="'+detected_mode.mime+'"]')[0]).prop('selected', true);
-    }
-
-    $('#set_mode').on('change', function(e){
-        var selected = e.currentTarget;
-        var node = selected.options[selected.selectedIndex];
-        var detected_mode = CodeMirror.findModeByMIME(node.value);
-        setCodeMirrorMode(myCodeMirror, detected_mode);
-    });
-});
 </script>
 </%def>