function buscadorentsub(event,myform) 
{
    if (window.event && window.event.keyCode == 13)
        document.getElementById(myform).submit();
    else if (event && event.which == 13)
        document.getElementById(myform).submit();
    return true;
}

function BorrarTexto(){
        var t= document.getElementById("palabraabuscar").value;
        if (t == "buscar programas, series, actores,...")
            document.getElementById("palabraabuscar").value="";
      }
      function EnviarFormulario(){
          var enviar=document.getElementById("buscadorword");
          enviar.action=enviar.action+"&palabraabuscar="+document.getElementById("palabraabuscar").value;
          enviar.submit();
      }

   function historialBack(url)
   {
        if(typeof MM_goBack == "function")
        {
            MM_goBack();
        }
        else history.back();
   }