function resetform(nomeform) {
      var i,j;
      for (i=0 ; i<document.forms.length; i++) {
        if (document.forms[i].name == nomeform) {
          for (j=0; j<document.forms[i].elements.length; j++){
            if ((document.forms[i].elements[j].type == 'text') ||
                (document.forms[i].elements[j].type == 'password') ||
                (document.forms[i].elements[j].type == 'textarea')) {
                  document.forms[i].elements[j].value = '';
                }
            if (document.forms[i].elements[j].type == 'select-one') {
              document.forms[i].elements[j].options[0].selected = !(document.forms[i].elements[j].options[0].selected);
            }
            if ((document.forms[i].elements[j].type == 'checkbox') ||
                (document.forms[i].elements[j].type == 'radio')) {
               document.forms[i].elements[j].checked = false;
            }
          }
        }
      }
  }