Allow add sponsor to be linked from other pages to open the dialog

admin/sponsors.php

@@ -423,6 +423,17 @@ function activityinfo_save() {
 
 		echo "</table>\n";
 
+    if($_GET['action']=="add") {
+        ?>
+        <script type="text/javascript">
+        $(document).ready(function() {
+            popup_editor(-1);
+        });
+        </script>
+
+        <?
+
+    }
 	send_footer();
 
 ?>