Sitefinity Navigation Active Class Helper Method

gistfile1.cs

<%@ Control Language="C#" %>

<script type="text/C#" runat="server">
   public static class NavHelper
   {
      /// <summary>
      ///    Returns the active class parameter if the current url contains the
      ///    path check specified.
      /// </summary>
      /// <param name="pathCheck">
      ///    The path slug to test against in the Url.
      /// </param>
      /// <returns>
      ///    "Active" value if path matches. Empty string if not.
      /// </returns>
      public static string CheckActive(string pathCheck)
      {                
         if(HttpContext.Current.Request.Url.AbsolutePath.Contains(pathCheck))
         {
            return "active";
         }
         else
         {
            return "";
         }
      }
   }
</script>