diff --git a/system/libraries/Javascript.php b/system/libraries/Javascript.php
index 773a583..6d2b99b 100644
--- a/system/libraries/Javascript.php
+++ b/system/libraries/Javascript.php
@@ -172,7 +172,7 @@
 	 */
 	public function focus($element = 'this', $js = '')
 	{
-		return $this->js->__add_event($focus, $js);
+		return $this->js->__add_event($element, $js);
 	}
 
 	// --------------------------------------------------------------------
@@ -187,7 +187,7 @@
 	 * @param	string	- Javascript code for mouse out
 	 * @return	string
 	 */
-	public function hover($element = 'this', $over, $out)
+	public function hover($element = 'this', $over = '', $out = '')
 	{
 		return $this->js->__hover($element, $over, $out);
 	}
@@ -844,4 +844,4 @@
 }
 
 /* End of file Javascript.php */
-/* Location: ./system/libraries/Javascript.php */
\ No newline at end of file
+/* Location: ./system/libraries/Javascript.php */