/* ------------------------ */
    /* PPC Conversion with AJAX */
    /* ------------------------ */
    
    function ppcconversion(ruta)
    {     
      var iframe = document.createElement('iframe');
      iframe.style.width = '0px';
      iframe.style.height = '0px';
      document.body.appendChild(iframe);
      iframe.src = ruta; 
    }
  
    /* -----------------*/
    /* Validar teléfono */
    /* -----------------*/
    
    function telefono_val(b){var a="0123456789";letras=0;caracteres=0;n=0;for(i=0;i<b.length;i++){caracteres++;if(a.indexOf(b.charAt(i),0)!=-1){n++}else{letras++}}
    if((letras>0)||(caracteres>9)||(caracteres<9)){return false}else{return true}};
    
    /* -------------- */
    /* Validar correo */
    /* -------------- */
    
    function correo_val(valor)
    {
      if (/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/.test(valor))
      {return (true)} 
      else {return (false);}
    }
    
  /* check_checkboxes, detecta si es pulsado un check inicial y devuelve su estado a un
     campo oculto [id check inicial],[id del campo oculto de vuelta]  */ 

  function check_checkboxes(id,id_exit)
  {   
   if($("#"+id).attr("checked"))$("#"+id_exit).attr('checked', true);
   else $("#"+id_exit).attr('checked', false);
  }