function gofact(){
  var w=790, h=420, Position_Izquierda=20, Position_Arriba=20;
  if( window.screen && window.screen.availHeight )
  {
    h = window.screen.availHeight - 100;
    //w = window.screen.availWidth -100;
	Position_Izquierda = (window.screen.availWidth-w)/2;
    Position_Arriba = (window.screen.availHeight-h)/2;

  }
	window.open ("extracto_karim.php", "ayuda", "status=no,location=no,menubar=no,resizable=no,toolbar=no,scrollbars=yes,top="+Position_Arriba+",left="+Position_Izquierda+",width="+ w + ",height=" + h );
    
}

function gofact1(){
  var w=790, h=420, Position_Izquierda=5, Position_Arriba=20;
  if( window.screen && window.screen.availHeight )
  {
    h = window.screen.availHeight - 100;
    //w = window.screen.availWidth -100;
	Position_Izquierda = (window.screen.availWidth-w)/2;
    Position_Arriba = (window.screen.availHeight-h)/2;

  }
	window.open ("extracto_karim.php", "ayuda", "status=no,location=no,menubar=no,resizable=no,toolbar=no,scrollbars=yes,top="+Position_Arriba+",left="+Position_Izquierda+",width="+ w + ",height=" + h );
    
}


function right(e) {
  if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))
      return false;
  else if (navigator.appName == 'Microsoft Internet Explorer' &&(event.button == 2 || event.button == 3)) {
      alert("Bienvenido a www.boliviatel.com");
  return false;
  }
return true;
}