波特五力 案例 2017:播放器代码错误

下面的:

playerstate.src="play/m_buffer.gif"
case 3
playStatus.value="正在播放"
playerstate.src="play/r8_c7_off.gif"
playbutton.src="play/r8_c7_on.gif"
errdiv.filters.alpha.opacity = 0
case 4
playStatus.value="暂停播放"
playerstate.src="play/r8_c9_off.gif"
playbutton.src="play/r8_c9_on.gif"
case 5
playStatus.value="正在搜索"
playerstate.src="player/m_find.gif"
case else
playStatus.value="未知状态"
end select
end sub
r_player.SetWantErrors(true)
r_player.SetCenter(true)
r_player.SetImageStatus(true)

</SCRIPT>

<SCRIPT>
var tmps1
function merr(str){
errdiv.innerText = str
errdiv.filters.alpha.opacity = 0
tmps1 = setInterval("if(errdiv.filters.alpha.opacity>=100){clearInterval(tmps1);}else{errdiv.filters.alpha.opacity +=10}",70);