possible fix for hideOrShowFeedCategory IE7 bug

diff --git a/functions.js b/functions.js
index e09b9c13b4379de966d82547a913661accc2d5b9..ec129aeb16ab7cacbf72b2dd938a728cb553ce59 100644 (file)
--- a/functions.js
+++ b/functions.js
@@ -775,26 +775,33 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                for (i = 0; i < node.childNodes.length; i++) {
                        if (node.childNodes[i].nodeName != "LI") { continue; }
 
-                       var has_unread = (node.childNodes[i].className != "feed");
+                       if (node.childNodes[i].style != undefined) {
 
-//                     debug(node.childNodes[i].id + " --> " + has_unread);
-
-                       if (hide && !has_unread) {
-                               node.childNodes[i].style.display = "none";
-                       }
-
-                       if (!hide) {
-                               node.childNodes[i].style.display = "list-item";
-                       }
-
-                       if (has_unread) {
-                               cat_unread++;
+                               var has_unread = (node.childNodes[i].className != "feed");
+       
+       //                      debug(node.childNodes[i].id + " --> " + has_unread);
+       
+                               if (hide && !has_unread) {
+                                       node.childNodes[i].style.display = "none";
+                               }
+       
+                               if (!hide) {
+                                       node.childNodes[i].style.display = "list-item";
+                               }
+       
+                               if (has_unread) {
+                                       cat_unread++;
+                               }
                        }
-
                }
-       }
+       }       
 
        if (cat_unread == 0) {
+               if (cat_node.style == undefined) {
+                       debug("ERROR: supplied cat_node " + cat_node + 
+                               " has no styles. WTF?");
+                       return;
+               }
                if (hide) {
                        cat_node.style.display = "none";
                } else {