//background music
function switchMusic(img) {
	if(document.getElementById("bgsound").src!=""){
		document.getElementById("bgsound").src = "";
		document.getElementById("icon_music").src = "http://101gmall.com.tw/web/res/icon/sound_stop_"+img+".gif";
		document.cookie = "webmusic=0";
	}else{
		document.getElementById("bgsound").src = "./tmp/music/bgmusic.mp3";
		document.getElementById("icon_music").src = "http://101gmall.com.tw/web/res/icon/sound_play_"+img+".gif";
		document.cookie = "webmusic=1";
	}
}

function playMusic(img){
	document.getElementById("bgsound").src = "./tmp/music/bgmusic.mp3";
	document.getElementById("icon_music").src = "http://101gmall.com.tw/web/res/icon/sound_play_"+img+".gif";
}

function stopMusic(img){
	document.getElementById("bgsound").src = "";
	document.getElementById("icon_music").src = "http://101gmall.com.tw/web/res/icon/sound_stop_"+img+".gif";
}

function ckeckMusicCookie(img){
	cookieStr=unescape(document.cookie);
	beginPos=cookieStr.indexOf("webmusic");
	if(beginPos!=-1){//¦³³]©wcookie
		midPos=cookieStr.substring(beginPos+9);
		isPlay=midPos.substring(0,1);
		if(isPlay=="0"){
			stopMusic(img);
		}else{
			playMusic(img);
		}
	}else{
		playMusic(img);
	}
}