// nueva funcion para abrir ventana maximizada
function abreventanaMax( aURL, aWinName )
{
   var wOpen;
   var sOptions;

   sOptions = 'directories=no,status=yes,toolbar=no,menubar=no,scrollbars=yes';
   sOptions = sOptions + ',resizable=yes,location=no,maximize=yes';
   sOptions = sOptions + ',width=' + (screen.availWidth - 12).toString();
   sOptions = sOptions + ',height=' + (screen.availHeight - 12).toString();
   sOptions = sOptions + ',screenX=0,screenY=0,left=0,top=0';

   wOpen = window.open( '', aWinName, sOptions );
   wOpen.location = aURL;
   wOpen.focus();
   wOpen.moveTo( 0, 0 );
   wOpen.resizeTo( screen.availWidth, screen.availHeight );
   return wOpen;
}