function mostrarTurorial(img, ancho, alto){
  derecha=(screen.width-ancho)/2;
  arriba=(screen.height-alto)/2;
  string="toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width="+ancho+",height="+alto+",left="+derecha+",top="+arriba+"";
  fin=window.open(img,"",string);
  
}


function mostrarContacto(){
location.href="http://www.otakuchile.cl/Contacto.php";
} 

function mostrarTwitter(){
location.href="http://www.twitter.com/@otakuchilecl";
}