Implementation of the function of controlling MEDIA PLAYER using JAVASCRIPT

<script language=javascript defer>
var volv=;
setInterval("if(==3){=+\'|\'+
}",1000);
setInterval("if(==3){=parseInt(245*(/))}",1000);
function volup(){
if (volv<100){
volv+=5;
=volv;
=volv;}
else{=\'maximum\';}
}
function voldown(){
if (volv>0){
volv-=5;
=volv;
=volv;}
else{=\'minimum\';}
}
</script>
<p> 
<object class  width="245" height="240">
<param name="URL" value="/wf-phx/music/she_superstar.wmv">
<param name="rate" value="1">
<param name="balance" value="0">
<param name="currentPosition" value="0">
<param name="defaultFrame" value>
<param name="playCount" value="1">
<param name="autoStart" value="-1">
<param name="currentMarker" value="0">
<param name="invokeURLs" value="-1">
<param name="baseURL" value>
<param name="volume" value="50">
<param name="mute" value="0">
<param name="uiMode" value="full">
<param name="stretchToFit" value="0">
<param name="windowlessVideo" value="0">
<param name="enabled" value="-1">
<param name="enableContextMenu" value="-1">
<param name="fullScreen" value="0">
<param name="SAMIStyle" value>
<param name="SAMILang" value>
<param name="SAMIFilename" value>
<param name="captioningID" value>
<param name="enableErrorDialogs" value="0">
<param name="_cx" value="6482">
<param name="_cy" value="6350">
</object>
</p>
<input type=button value=mute onclick====true?false:true;===true?\'Mute\':\'Close mute\';>
<input type=button value=play onclick=();=\'Play\';>
<input type=button value=pause onclick=();=\'Pause\';>
<input type=button value=stop onclick=();=\'Stop\';>
<input type=button value=mode onclick===\'100\'?\'-100\':\'100\';===\'100\'?\'Right channel\':\'Left channel\';>
<input type=button value=vol++ onclick=volup();>
<input type=button value=vol-- onclick=voldown();>
<input type=button value=fullscreen onclick="if(==3)=1;">
<br>
<div  style="background:#f2f3f7;width:245">Media is being loaded. . . </div>
<table id=bar style="width:245;height:10px;border:1px black solid;">
<tr> 
<td id=itcn bgcolor=#f70968 style="width:0"></td>
<td id=bar2 style="width:245"></td>
</tr>
</table>