avoid race condition on delete checked items

mod/item.php

@@ -26,6 +26,8 @@ function item_post(&$a) {
 		require_once('include/items.php');
 		$arr_drop = explode(',',$_POST['dropitems']);
 		drop_items($arr_drop);
+		$json = array('success' => 1);
+		echo json_encode($json);
 		killme();
 	}
 

view/jot-header.tpl

@@ -120,9 +120,9 @@ tinyMCE.init({
 					checkedstr = $(this).val();
 			}	
 		});
-		$.post('item', { dropitems: checkedstr });
-		window.location.reload();
-
+		$.post('item', { dropitems: checkedstr }, function(data) {
+			window.location.reload();
+		});
 	}
 
 	function jotGetLink() {