var idx = 1;
	var tb = 1;
function AbreJanela(endereco,nome,resto){
	window.open(endereco,nome,resto);
}

function mudaSt() {
    if (tb == 1) {
      document.getElementById("md1").className = "indexTab1";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab2";
    }
    else if (tb == 2) {
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab1";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab2";

    }
    else if (tb == 3) {
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab1";
      document.getElementById("md4").className = "indexTab2";

    }
    else if (tb == 4) {
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab1";

    }
  }
function mudaEtapa(x) {
    if (x == 1) {
      tb = 1;
      document.getElementById("md1").className = "indexTab1";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab2";

      document.getElementById("etapa1").style.visibility = "visible";
      document.getElementById("etapa1").style.display = "block";
      document.getElementById("etapa2").style.visibility = "hidden";
      document.getElementById("etapa2").style.display = "none";
      document.getElementById("etapa3").style.visibility = "hidden";
      document.getElementById("etapa3").style.display = "none";
      document.getElementById("etapa4").style.visibility = "hidden";
      document.getElementById("etapa4").style.display = "none";

    }
    else if (x == 2) {
      tb = 2;
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab1";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab2";

      document.getElementById("etapa1").style.visibility = "hidden";
      document.getElementById("etapa1").style.display = "none";
      document.getElementById("etapa2").style.visibility = "visible";
      document.getElementById("etapa2").style.display = "block";
      document.getElementById("etapa3").style.visibility = "hidden";
      document.getElementById("etapa3").style.display = "none";
      document.getElementById("etapa4").style.visibility = "hidden";
      document.getElementById("etapa4").style.display = "none";

    }
    else if (x == 3) {
      tb = 3;
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab1";
      document.getElementById("md4").className = "indexTab2";

      document.getElementById("etapa1").style.visibility = "hidden";
      document.getElementById("etapa1").style.display = "none";
      document.getElementById("etapa2").style.visibility = "hidden";
      document.getElementById("etapa2").style.display = "none";
      document.getElementById("etapa3").style.visibility = "visible";
      document.getElementById("etapa3").style.display = "block";
      document.getElementById("etapa4").style.visibility = "hidden";
      document.getElementById("etapa4").style.display = "none";

    }
    else {
      tb = 4;
      document.getElementById("md1").className = "indexTab2";
      document.getElementById("md2").className = "indexTab2";
      document.getElementById("md3").className = "indexTab2";
      document.getElementById("md4").className = "indexTab1";

      document.getElementById("etapa1").style.visibility = "hidden";
      document.getElementById("etapa1").style.display = "none";
      document.getElementById("etapa2").style.visibility = "hidden";
      document.getElementById("etapa2").style.display = "none";
      document.getElementById("etapa3").style.visibility = "hidden";
      document.getElementById("etapa3").style.display = "none";
      document.getElementById("etapa4").style.visibility = "visible";
      document.getElementById("etapa4").style.display = "block";

    }

  }