var sound1="bgsound/1.mp3"

var sound2="bgsound/2.mp3"

var sound3="bgsound/3.mp3"

var sound4="bgsound/4.mp3"

var sound5="bgsound/5.mp3"

var sound6="bgsound/6.mp3"

var sound7="bgsound/7.mp3"

var sound8="bgsound/8.mp3"

var sound9="bgsound/9.mp3"

var sound10="bgsound/10.mp3"

var x=Math.round(Math.random()*9)

if (x==0) x=sound1

else if (x==1) x=sound2

else if (x==2) x=sound3

else if (x==3) x=sound4

else if (x==4) x=sound5

else if (x==5) x=sound6

else if (x==6) x=sound7

else if (x==7) x=sound8

else if (x==8) x=sound9

else x=sound10

if (navigator.appName=="Microsoft Internet Explorer")

document.write('<bgsound src='+'"'+x+'"'+' loop="infinite">')

else 

document.write('<embed src='+'"'+x+'"'+'hidden="true" border="0" width="20" height="20" autostart="true" loop="true">')