$.fn.replaceText = function( search, replace, text_only ) {
    return this.each(function(){
      var node = this.firstChild,
        val,
        new_val,
        remove = [];
      if ( node ) {
        do {
          if ( node.nodeType === 3 ) {
            val = node.nodeValue;
            new_val = val.replace( search, replace );
            if ( new_val !== val ) {
              if ( !text_only && /</.test( new_val ) ) {
                $(node).before( new_val );
                remove.push( node );
              } else {
                node.nodeValue = new_val;
              }
            }
          }
        } while ( node = node.nextSibling );
      }
      remove.length && $(remove).remove();
    });
  };

jQuery(document).ready(function(){
    $('.txtSearch').focus(function(){
        if ($(this).val() == 'Faça sua busca ...') { $(this).val(''); }
    }).blur(function(){
        if ($(this).val() == '') { $(this).val('Faça sua busca ...'); }
    });

    $("form.valida_busca").submit(function() {
        if ($('.txtSearch', this).val() == 'Faça sua busca ...') { alert('Digite uma busca válida!'); return false; } else {return true;}
    });

    $(document).bind('click', function(e) {
      $that = $(e.target).attr('class');
      if($that != 'ordem') {
        $('.order ul').hide();
      } else { $('.order ul').toggle(); }
    });

    $('#selectOrder li').bind('click', function(e){
      $valor = $(e.target).attr("rel");
      $urlNavegador = location.href.split('?');
      $ultimo = new Array();
      $url = "";
      $newUrl = "";

      if ($urlNavegador.length > 1) {
        $verificar = $urlNavegador[1].split('&');
        if ($verificar.length > 1) {
          $.each($verificar, function(i, val){
            $ultimo = $verificar[i].split('=');
            if (($ultimo[0] != 'order') && ($ultimo[0] != 'ordem')) {
              if (i == $verificar.length - 1) { $newUrl += $verificar[i]; } else { $newUrl += $verificar[i] + '&'; }
            } else if ($ultimo[0] == 'order') {
                if (i == $verificar.length - 1) { $newUrl += 'order=' + $valor; } else { $newUrl += 'order=' + $valor + '&'; }
            } else if ($ultimo[0] == 'ordem') {
               if (i == $verificar.length - 1) { $newUrl += $verificar[i]; } else { $newUrl += $verificar[i] + '&'; }
            }
          });
        } else { $newUrl = $urlNavegador[1] + "&order=" + $valor + '&ordem=ASC'; }
        $url = $urlNavegador[0] + "?" + $newUrl;

      } else { $url = location.href + "?order=" + $valor + '&ordem=ASC'; }
      window.location = $url;
    });

    $(function(){
      $urlNavegador = location.href.split('?');
      if ($urlNavegador.length > 1) {
        $valores = $urlNavegador[1].split('&');
        if ($valores.length > 1) {
          $ordem = new Array();
          $valorOrder = "";
          $texto = "";
          $textInverter = "";
          $textoSelect = "";
          $newUrl = "";

          $.each($valores, function(i, val){
            $ordem = $valores[i].split('=');
            if (($ordem[0] != 'order') && ($ordem[0] != 'ordem')) {
              if (i == $valores.length - 1) { $newUrl += $valores[i]; } else { $newUrl += $valores[i] + '&'; }
            } else if ($ordem[0] == 'order') {
                $('#selectOrder li').each(function(i, val){
                    if ($(this).attr('rel') == $ordem[1]) { $texto = $(this).text(); }
                });
                $('.ordem').text('Ordem: ' + $texto);
                if (i == $valores.length - 1) { $newUrl += $valores[i]; } else { $newUrl += $valores[i] + '&'; }
            } else if ($ordem[0] == 'ordem'){
              switch ($ordem[1]) {
                case 'ASC':
                  $textInverter = '▼ Z..A';
                  if (i == $valores.length - 1) { $newUrl += 'ordem=DESC'; } else { $newUrl += 'ordem=DESC&'; }
                  break;
                case 'DESC':
                  $textInverter = '▲ A..Z';
                  if (i == $valores.length - 1) { $newUrl += 'ordem=ASC'; } else { $newUrl += 'ordem=ASC&'; }
                  break;
              }
            }
          });
          $('.ordenar').attr('href', $urlNavegador[0] + '?' + $newUrl).text($textInverter);
        }
      }
    });

    _replaceCaracteres = function(valor) {
        $specialChars = [{val:"a",let:"áàãâä"},{val:"e",let:"éèêë"},{val:"i",let:"íìîï"},{val:"o",let:"óòõôö"},{val:"u",let:"úùûü"},{val:"c",let:"ç"},{val:"A",let:"ÁÀÃÂÄ"},{val:"E",let:"ÉÈÊË"},{val:"I",let:"ÍÌÎÏ"},{val:"O",let:"ÓÒÕÔÖ"},{val:"U",let:"ÚÙÛÜ"},{val:"C",let:"Ç"},{val:"\n",let:"?!()./-/+"}];
        $spaceSymbol = "+";
        $regex = null;
        $returnString = valor;
        $.each($specialChars, function(i, val){
            $regex = new RegExp("["+$specialChars[i].let+"]", "g");
            $returnString = $returnString.replace($regex, $specialChars[i].val);
            $regex = null;
        });
        return $returnString.replace(/\s/g,$spaceSymbol);
    }

    $(function(){
      $urlNavegador = location.href.split('?');
      if ($urlNavegador.length > 1) {
        $novoTesto = "";
        $valores = $urlNavegador[1].split('&');
        $.each($valores, function(i, val){
            $ordem = $valores[i].split('=');
            if ($ordem[0] == 'search') { $novoTesto = $ordem[1].replace("+", " ").trim(); }
        });
        $('form .txtSearch').val($novoTesto);
        $form = $('#search_form').attr('action').split('/')
        $location = $form[$form.length - 1];

        $('#'+$location+' tr').each(function(){
            searchRegex = new RegExp($novoTesto, 'gi');
            $(" *", this).replaceText(searchRegex, '<em class="search_result">'+$novoTesto+'</em>');
        });
      }
    });

});