disable some submit-type buttons when required data is not given

[tt-rss.git] / prefs.js

diff --git a/prefs.js b/prefs.js
index 2539c3b629623c76863bace525f0fd35ae6f2188..8622526dd22ac6e71eafb895f3932a1114f8da2f 100644 (file)
--- a/prefs.js
+++ b/prefs.js
@@ -282,6 +282,9 @@ function addFeed() {
 
        if (link.value.length == 0) {
                alert("Error: No feed URL given.");
+       } else if (link.value.match("http://") == null && 
+                       link.value.match("https://") == null) {
+               alert("Error: Invalid feed URL.");
        } else {
                notify("Adding feed...");