Minor adding autofocus, removing unused variables

main/exercice/exercise.lib.php

@@ -1338,7 +1338,6 @@ function get_exercise_result_ranking($my_score, $my_exe_id, $exercise_id, $cours
         $best_attempts[$user_id]= get_best_attempt_by_user($user_id, $exercise_id, $course_code, $session_id);   
     }
 
-    $position_data = array();
     if (empty($best_attempts)) {
     	return 1;
     } else {

main/inc/lib/userportal.lib.php

@@ -722,7 +722,7 @@ class IndexManager {
 	function display_login_form() {
 		$form = new FormValidator('formLogin', 'POST', null,  null, array('class'=>'form-vertical'));
         // 'placeholder'=>get_lang('UserName')
-		$form->addElement('text', 'login', get_lang('UserName'), array('class' => 'span2'));
+		$form->addElement('text', 'login', get_lang('UserName'), array('class' => 'span2','autofocus' => 'autofocus'));
 		$form->addElement('password', 'password', get_lang('Pass'), array('class' => 'span2'));
 		$form->addElement('style_submit_button','submitAuth', get_lang('LoginEnter'), array('class' => 'btn'));		
 		$html = $form->return_form();