text: function trocaBackground(){
  
      //var str = window.location.href.toString().split(window.location.host)[1];
      //
      //var res = str.substring(7, 15);
      //
      //if(res == 'clientes'){
      //    alert('background Clientes');
      //
      //    document.body.style.backgroundImage = "url('//img/imgFundo.jpg')";
      //    document.body.style.backgroundAttachment = "fixed";
      //    document.body.style.backgroundRepeat = "repeat";
      //    document.body.style.backgroundPosition = "left top";
      //}
  
  }