.tabs
  %li{:class => "#{'active' if current_page?(project_issues_path(@project))}"}
    = link_to project_issues_path(@project), :class => "tab" do 
      Browse Issues  
  %li{:class => "#{'active' if current_page?(project_milestones_path(@project))}"}
    = link_to project_milestones_path(@project), :class => "tab" do 
      Milestones