[svn r17332] minor - fixed warning log in announcement - level log

main/announcements/announcements.inc.php

@@ -1,4 +1,4 @@
-<?php //$Id: announcements.inc.php 17329 2008-12-16 18:27:38Z cfasanando $
+<?php //$Id: announcements.inc.php 17332 2008-12-16 20:10:35Z cfasanando $
 /*
 ==============================================================================
 	Dokeos - elearning and course management software
@@ -197,6 +197,7 @@ function construct_selected_select_form($group_list=null, $user_list=null,$to_al
 
 	// we construct the form of the already selected groups / users
 	echo "\t\t<select name=\"selectedform[]\" size=\"5\" multiple style=\"width:200px\" width=\"200px\">";
+	if (is_array($to_already_selected)) {
 		foreach($to_already_selected as $groupuser)
 		{
 			list($type,$id)=explode(":",$groupuser);
@@ -217,6 +218,7 @@ function construct_selected_select_form($group_list=null, $user_list=null,$to_al
 				}
 			}
 		}
+	}
 	echo "</select>\n";
 }