Don't work with non-existing IDs

diff --git a/lib/functions.js b/lib/functions.js
index fd65cd4..8c983b5 100644 (file)
--- a/lib/functions.js
+++ b/lib/functions.js
@@ -230,6 +230,8 @@ function gridDrillDown(e)
     if (!cell) return;
     var value = cell.innerHTML;
 
     if (!cell) return;
     var value = cell.innerHTML;
 

+    if (!value.length || value == ' ') return;
+

     if (document.getElementById('details')) {
        var params = 'source=' + grid.tableId.substr(5) + '&id=' + value;
        ajax_request('details', params, details_callback);
     if (document.getElementById('details')) {
        var params = 'source=' + grid.tableId.substr(5) + '&id=' + value;
        ajax_request('details', params, details_callback);