function mostrarDiv(iddiv, idimg, nimg) {
if (document.getElementById(iddiv).style["display"] == "none") {
document.getElementById(iddiv).style["display"] = "block";
document.getElementById(idimg).src = "img/resultados_busqueda/menos_"+nimg+".jpg";
}
 else {
document.getElementById(iddiv).style["display"] = "none";
document.getElementById(idimg).src = "img/resultados_busqueda/mas_"+nimg+".jpg";
 }
 }

function pestanya (iddiv, nomclass, cont)
{
document.getElementById(iddiv).className=nomclass;
document.getElementById('cont1').style["display"] = "none";
document.getElementById('cont2').style["display"] = "none";
document.getElementById('cont3').style["display"] = "none";
document.getElementById(cont).style["display"] = "block";
}