if no distribution received, set None element

debomatic-webui/public/javascripts/page_generic.js

@@ -25,6 +25,10 @@ function Page_Generic()
   var update = {
     distributions: function(distributions) {
       $('#distributions ul').html('');
+      if(distributions.length < 1) {
+        $('#distributions ul').append('<li><a title="There is no distribution at the moment" onclick="return false">None</li>')
+      }
+      else {
         distributions.forEach(function (name){
           $('#distributions ul').append('<li id="distribution-' + name +'"><a href="'+ config.paths.distribution + '#'+ name + '">' + name + '</li>');
         });
@@ -34,6 +38,7 @@ function Page_Generic()
             $("#distributions li[id='distribution-"  + data.distribution.name + "']").addClass('active')
           }
         }
+      }
     },
 
     status: function(status_package) {