diff --git a/scripts/common.php b/scripts/common.php
new file mode 100644
index 0000000..7b5910c
--- /dev/null
+++ b/scripts/common.php
@@ -0,0 +1,10 @@
+<?php
+
+
+function ensure_db_ok ($sql_stmt) {
+  if($sql_stmt == False) {
+    echo "Database is busy";
+    header("refresh:1;");
+    exit;
+  }
+}