function abrirpopup(nombre,ancho,alto) {
dat = 'width=' + ancho + ',height=' + alto + ',left=150,top=100,scrollbars=no,resize=no';
window.open(nombre,'',dat)
}

function localizar() {
document.location="#arriba";
}

function PopUp(url) {
settings='width=450,height=450,top=20,left=20,scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
window.open(url,'AS',settings);
}