var loadImageDetran;
loadImageDetran = 0;

function carregaImagemDetran(){
  if(loadImageDetran == 0){
    document.getElementById("imagemControle").src = "http://www2.detran.pr.gov.br/site_detran/scripts/viewImageMagicDetran.php";
    loadImageDetran = 1;
  }
}

function captchaAudio() {
   var audio = setTimeout("gerarCaptchaAudio()",3000);
}

function gerarCaptchaAudio() {
   // url do audio
   var mp3cf = "http://www2.detran.pr.gov.br/site_detran/scripts/audioImageMagicDetran.php";

   var msie = navigator.userAgent.toLowerCase();
   msie = (msie.indexOf("msie") > -1) ? true : false;

   if (document.all && msie) {
      document.all.sound.src = mp3cf;
      return false;
   }
   if (document.getElementById) { 
      var mp3player = '<object type="audio/wav" data="' + mp3cf + '">';
      mp3player += '   <param name="autoplay" value="true">';
      mp3player += '   <param name="hidden" value="true">';
      mp3player += '   <embed type="audio/wav" src="' + mp3cf + '" hidden="true" autostart="true" loop="false" controller="false"></embed>';
      mp3player += '</object>';
      document.getElementById('codecf').innerHTML = mp3player; 
   }
   return false;
}