function recomiendamefisto()
{ 
window.open('recomendar.php', 'muestraVentana',

'width=350, height=300, menubar=no, toolbar=no, location=no, scrollbars=yes, resizable=no')
}



function abrirVentana() 
{
open("presentaciones-mefisto.htm", "News", "toolbar=no, directories=no, menubar=no, status=no, resizeable=no, width=790, height=500, left=0, top=0");
}



function avisolegal()

{ 
window.open('avisolegal.html', 'muestraVentana', 

'width=450, height=500, menubar=no, toolbar=no, location=no, scrollbars=yes, resizable=no')
}