Index: wp-admin/nav-menus.php
===================================================================
--- wp-admin/nav-menus.php	(revision 23740)
+++ wp-admin/nav-menus.php	(working copy)
@@ -476,7 +476,7 @@
 			<?php printf( __( 'Edit your menu below, or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
 		</span><!-- /add-edit-menu-action -->
 	<?php else : ?>
-		<form method="post" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
+		<form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
 			<input type="hidden" name="action" value="edit" />
 			<label for="menu" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
 			<select name="menu" id="menu">