function desplegar(nomeCapa,indice){
    if(document.getElementById(nomeCapa).style.display=='' || document.getElementById(nomeCapa).style.display=='none'){
            document.getElementById(nomeCapa).style.display='block';
    } else {
            document.getElementById(nomeCapa).style.display='none';
    }
      if(document.getElementById("flecha"+indice+"_on").style.display=='' || document.getElementById("flecha"+indice+"_on").style.display=='none'){
            document.getElementById("flecha"+indice+"_on").style.display='inline';
			document.getElementById("flecha"+indice+"_off").style.display='none';
    } else {
            document.getElementById("flecha"+indice+"_on").style.display='none';
			document.getElementById("flecha"+indice+"_off").style.display='inline';
    }
}