diff --git a/htdocs/application/controllers/main.php b/htdocs/application/controllers/main.php
index dd3ae8e..8bdc1e1 100755
--- a/htdocs/application/controllers/main.php
+++ b/htdocs/application/controllers/main.php
@@ -437,24 +437,18 @@ class Main extends CI_Controller
 	
 	function get_cm_js() 
 	{
-		$this->load->helper('file');
 		$lang = $this->uri->segment(3);
 		$this->load->config('codemirror_languages');
 		$cml = $this->config->item('codemirror_languages');
 		
 		if (isset($cml[$lang]) && gettype($cml[$lang]) == 'array') 
 		{
-			$content = '';
-			$total_size = 0;
+			header('Content-Type: application/x-javascript; charset=utf-8');
 			foreach ($cml[$lang]['js'] as $js) 
 			{
-				$content.= file_get_contents('./static/js/' . $js[0]);
-				$f = get_file_info('./static/js/' . $js[0]);
-				$total_size = $total_size + $f['size'];
+				echo file_get_contents('./static/js/' . $js[0]);
 			}
-			header('Content-Type: application/x-javascript; charset=utf-8');
-			header('Content-length: ' . $total_size);
-			echo $content;
 		}
+        exit;
 	}
 }
diff --git a/htdocs/application/views/defaults/footer.php b/htdocs/application/views/defaults/footer.php
index 738cab8..5b153ec 100755
--- a/htdocs/application/views/defaults/footer.php
+++ b/htdocs/application/views/defaults/footer.php
@@ -6,7 +6,9 @@
 <?php
 
 //codemirror modes
-echo '<div style="display: none;" id="codemirror_modes">' . json_encode($codemirror_modes) . '</div>';
+if(isset($codemirror_modes){
+    echo '<div style="display: none;" id="codemirror_modes">' . json_encode($codemirror_modes) . '</div>';
+}
 
 //stats
 $this->load->view('defaults/stats');