var state; 
var varb; 
var varfullscreen=0; 

function playerinit() 
{ 
WindowsMediaPlayer.url="http://www.lfkjw.cn/mp3/会计第01章（1）.MP3"; //定义你自己的文件
state=setInterval("updatetime()",1000); 
} 

function play() 
{  
if (WindowsMediaPlayer.controls.isavailable('play')) 
{ 
WindowsMediaPlayer.controls.play(); 
state=setInterval("updatetime()",1000); 
varfullscreen=1; 
document.getElementById('start').src="img/mp3_start1.gif";
document.getElementById('pause').src="img/mp3_pause.gif";
document.getElementById('stop').src="img/mp3_stop.gif";
} 
}

function pause() 
{ 
if (WindowsMediaPlayer.controls.isavailable('pause')) 
{ 
WindowsMediaPlayer.controls.pause(); 
clearInterval(state); 
varfullscreen=1; 
document.getElementById('start').src="img/mp3_start.gif";
document.getElementById('pause').src="img/mp3_pause1.gif";
document.getElementById('stop').src="img/mp3_stop.gif";
} 
} 

function stop() 
{ 
if (WindowsMediaPlayer.controls.isavailable('stop'))
{ 
WindowsMediaPlayer.controls.stop(); 
clearInterval(state);
varfullscreen=0; 
document.getElementById('start').src="img/mp3_start.gif";
document.getElementById('pause').src="img/mp3_pause.gif";
document.getElementById('stop').src="img/mp3_stop1.gif";
} 
} 

function voldown() 
{ 
if ( WindowsMediaPlayer.settings.volume < 5 ) 
{ 
WindowsMediaPlayer.settings.volume = 0; 
} 
else 
{ 
WindowsMediaPlayer.settings.volume -= 5;
} 
} 

function volup() 
{ 
if ( WindowsMediaPlayer.settings.volume > 95 ) 
{ 
WindowsMediaPlayer.settings.volume = 100;
} 
else 
{ 
WindowsMediaPlayer.settings.volume += 5;
} 
} 

function mute() 
{ 
WindowsMediaPlayer.settings.mute = !WindowsMediaPlayer.settings.mute; 
if(varb!=1) 
{ 
document.getElementById('mute').src="img/mp3_mute.gif";
varb=1; 
} 
else 
{ 
document.getElementById('mute').src="img/mp3_vol.gif";
varb=0; 
} 
} 


function updatetime() 
{ 
if(WindowsMediaPlayer.controls.currentPositionString=='') 
{
varfullscreen=0; 
}
}
window.onload=function(){
playerinit();
}