diff --git a/Resource_Info/app.rb b/Resource_Info/app.rb
index 02e6e8f..4ea570d 100755
--- a/Resource_Info/app.rb
+++ b/Resource_Info/app.rb
@@ -56,6 +56,7 @@ def output()
           limit = (defined_limit[user] == "unlimited")? get_resource_limit(g).to_i : defined_limit[user].to_i / 3600
           usage = row[1].to_i / 3600 # NH
           avail = (defined_limit[user] == "unlimited")? dashboard_resource(g).avail : limit - usage
+          avail = 0 if avail.to_i < 0
           tmp.push([user, limit, usage, avail])
         end
 
diff --git a/Resource_Info/views/index.erb b/Resource_Info/views/index.erb
index fa2e9e3..ff2c596 100755
--- a/Resource_Info/views/index.erb
+++ b/Resource_Info/views/index.erb
@@ -35,16 +35,14 @@ input {
   <table class="table table-bordered" style="border: solid 2px #888888;">
     <tr>
       <th style="vertical-align: middle;" rowspan="2">User</th>
-      <th colspan="4">Resource (NH)</th>
-      <% if @is_admin[i] %>
-      <th width="250px" style="vertical-align: middle;" rowspan="2">Change Limit</th>
-      <% end %>
+      <th colspan="5">Resource (NH)</th>
     </tr>
     <tr>
-      <th>Limit</th>
-      <th>Usage</th>
-      <th>Available</th>
-      <th>Ratio</th>
+      <th style="vertical-align: middle;">Limit</th>
+      <th style="vertical-align: middle;">Usage</th>
+      <th style="vertical-align: middle;">Available</th>
+      <th style="vertical-align: middle;">Ratio</th>
+      <th width="280px">Change Limit<br>(For only a theme manager)</th>
     </tr>
     <% @resource_info[i].each do |d| %>
     <tr>
@@ -66,25 +64,26 @@ input {
           <strong class="bar_<%= dashboard_color(ratio(usage, limit)) %>" style="width: <%= ratio(usage, limit, 100) %>%;"><%= ratio(usage, limit) %>%</strong>
         </div>
       </td>
-      <% if @is_admin[i] %>
       <td>
         <form action="" method="post">
-	  <input type="hidden" name="group"     value="<%= g %>"     required>
-  	  <input type="hidden" name="user"      value="<%= user %>"  required>
-	  <input type="number" name="volume_NH" max="<%= get_resource_limit(g).to_i %>" min="0" value="<%= limit %>" required>
-	  <input type="submit" value="submit">
+	<% if @is_admin[i] %>
+	<input type="hidden" name="group" value="<%= g %>"    required>
+  	<input type="hidden" name="user"  value="<%= user %>" required>
+	<input type="number" name="volume_NH" max="<%= get_resource_limit(g).to_i %>" min="0" value="<%= limit %>" required>
+	<input type="submit" value="submit">
+        <% else %>
+	<input type="number" name="volume_NH" max="<%= get_resource_limit(g).to_i %>" min="0" value="<%= limit %>" disabled>
+	<input type="submit" value="submit" disabled>
+	<% end %>
 	</form>
       </td>
-      <% end %>
       <% else %>
       <td> - </td>
       <td> - </td>
       <td> - </td>
       <td> - </td>
-      <% if @is_admin[i] %>
       <td> - </td>
       <% end %>
-      <% end %>
     </tr>
     <% end %>
   </table>
diff --git a/misc/utils.rb b/misc/utils.rb
index 65d698c..9df9cb5 100644
--- a/misc/utils.rb
+++ b/misc/utils.rb
@@ -1083,8 +1083,8 @@ def dashboard_date()
 end
 
 def ratio(a, b, limit = NOT_USED)
-  if b.to_i == 0
-    return 0
+  if a.to_i > b.to_i 
+    return 100
   else
     if limit != NOT_USED
       v = (a.to_f * 100/ b.to_f)