function abrir1(url){ window.open( url,'','width=480,height=300,toolbar=no,location=no,directories=no,menubar=no,scrollbars=no,resizable=no') } 
function abrir5(url){ window.open( url,'','width=550,height=550,toolbar=no,location=no,directories=no,menubar=no,scrollbars=yes,resizable=no') }

function actucap(){
    var obj=document.getElementById("cap");
    if (!obj) obj=window.document.all.cap;
    if (obj){
      obj.src= "../../img/captcha.php?" + Math.random()  ;
    }
  }