Fix BUG-126 (basically disable next/prev buttons the moment we go back to the server for the previous/next page of images, only re-enable if they make sense after we have loaded the new images

templates/viewer.html

@@ -101,6 +101,9 @@
 
     function CallViewListRoute(dir)
     {
+        // dont allow mad spamming of arrows
+        $("#la").prop("disabled", true)
+        $("#ra").prop("disabled", true)
         data="eids="+$("#eids").val()
         data+="&cwd={{OPT.cwd}}"
         data+="&root={{OPT.root}}"
@@ -117,10 +120,11 @@
                 objs=res.objs
                 eid_lst=eids.split(",")
                 offset=res.offset
-                if( current == first_eid )
-                    $("#la").prop("disabled", true)
-                if( current == last_eid )
-                    $("#ra").prop("disabled", true)
+                // okay, we now have results back, can reset next/prev buttons
+                if( current != first_eid )
+                    $("#la").prop("disabled", false)
+                if( current != last_eid )
+                    $("#ra").prop("disabled", false)
                 ViewImageOrVideo()
             }
         })
@@ -207,7 +211,7 @@
                                     $('#la').attr('disabled', false )
                             }
                             else
-                                CallViewListRoute('next')
+                                    CallViewListRoute('next')
                             
                             if( current == last_eid )
                             {