onerror=handleErr;

var musicData="";
var playing=1;

function changeMusic(){
	if( playing==1 ){
		turnOff();
	}
	else{
		turnOn();
	}
}

function turnOff(){
	element=document.getElementById("music");
	musicData=element.data;
	element.data="";

	element=document.getElementById("music_button");
	element.src="music_off.png";
	playing=0;
}

function turnOn(){
	element=document.getElementById("music");
	element.data=musicData;
	
	element=document.getElementById("music_button");
	element.src="music_on.png";
	playing=1;
}

function handleErr(msg,url,l)
{
    return true;
}