Fix bug.

app/views/seminars/index.html.erb

@@ -8,7 +8,7 @@
 <% begin %>
 <table class="table table-hover table-striped seminar-index">
 	<caption>
-		<% page = OrbitHelper.page rescue Page.where(:page_id => params[:page_id]).first %>
+		<% page = OrbitHelper.page rescue Page.where(:page_id => OrbitHelper.params[:page_id]).first %>
 		<h3><%= page.name rescue t('seminar.seminar') %></h3>
 	</caption>
 	<thead>