public function sortpv()
 {
     $valu = $_GET['valu'];
     $type = $_GET['type'];
     Session::put('valu', $valu);
     Session::put('type', $type);
     if ($type == 'provid') {
         $typename = "Providers ID";
         $providers = Walker::orderBy('id', $valu)->paginate(10);
     } elseif ($type == 'pvname') {
         $typename = "Providers Name";
         $providers = Walker::orderBy('first_name', $valu)->paginate(10);
     } elseif ($type == 'pvemail') {
         $typename = "Providers Email";
         $providers = Walker::orderBy('email', $valu)->paginate(10);
     } elseif ($type == 'pvaddress') {
         $typename = "Providers Address";
         $providers = Walker::orderBy('address', $valu)->paginate(10);
     }
     return View::make('walkers')->with('title', 'Providers | Sorted by ' . $typename . ' in ' . $valu)->with('page', 'walkers')->with('walkers', $providers);
 }