var sound1="images/09.wma"
var sound2="images/1.wma"
var sound10="images/gao.wma"
var x=Math.round(Math.random()*3)
if (x==0) x=sound1
else if (x==1) x=sound2
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">')