function musica_aleatoria(a)
{
<!--
var sound1="paratodalavida.mid"
var sound2="recuento.mid"
var sound3="cantante.mid"
var sound4="guayaba.mid"
var sound5="bachata-asi-fue.mid"
var sound6="cha-cha-cha-desprecio.mid"
var sound7=""
var x=Math.round(Math.random()*6)
if (x==0) x=sound7
else if (x==1) x=sound7
else if (x==2) x=sound7
else if (x==3) x=sound7
else if (x==4) x=sound7
else if (x==5) x=sound7
else x=sound7
if (navigator.appName=="Microsoft Internet Explorer")
document.write('<bgsound src='+'"'+x+'"'+' >')
else
document.write('<embed src='+'"'+x+'"'+'hidden="true" border="0" width="20" height="20" autostart="true" >')
}

function musica(x)
{

if (navigator.appName=="Microsoft Internet Explorer")
document.write('<bgsound src='+'"'+x+'"'+'>')
else
document.write('<embed src='+'"'+x+'"'+'hidden="true" border="0" width="20"  height="20" autostart="true" >')
}


function SinFrame()
{
if (window != top)
top.location.href = location.href
}

function Pedirframe()
{
if (window == top)
top.location.href = "index.htm"
}


function ir_atras()
{
        history.back();
	return true;
}

function avisar_navegador()
{
if (navigator.appName.substring(0,4)=="Micr")
	{
	return true;
	}
else
	{ 
	alert("Si no puede ver bien los videos o escuchar la música use Internet explorer");
	return true;
	}
}