function ventanaSecundaria (URL){
   window.open(URL,null,"width=780,height=780,status=yes,toolbar=no,menubar=no,location=no,scrollbars=yes")
}
function ventanaSecundaria2 (URL){
   window.open(URL,null,"width=696, height=600,status=yes,toolbar=no,menubar=no,location=no,scrollbars=no")
}

function cerrarVentana()
{	this.close(); }