function janela(url, w, h){
window.open(url,"","toolbar=no,location=no,directories=no,menubar=no,scrollbars=yes,status=no,resizable=yes, width= " + w + ", height = " + h + ", top=0,left=0")
}
function janela2(url, w, h){
window.open(url,"","toolbar=no,location=no,directories=no,menubar=no,scrollbars=no,status=no,resizable=no, width= " + w + ", height = " + h + ", top=0,left=0")
}