function switchMusicContent(musicObj)
{
	if (doing) {
		times++;
		if (times > TIMES_MAX) {
			document.location.reload(true);
		}
		return false;
	}
	waitDoing(musicObj);
	//musicObj.innerHTML="请耐心等待...";
		
	if (req_object == null) {
		req_object = getXMLRequest();
		if (!req_object) {
			alert("Your system does not support this feature!");
			waitDone(musicObj);
			return false;
		}
	}
	if (req_object) {		
		var url = "http://maplereview.org/"+shared_path+"/"+musicpage+"?current_id=" +current_id+"&hno="+hno+"&verifyContentNumber="+verifyContentNumber;
		try {
			req_object.open('GET', url, false);
			req_object.send(null);
		} catch (err) {
			alert("Your system does not support this feature!");
			waitDone(musicObj);
			return false;
		}
		var music = req_object.responseXML.getElementsByTagName("music");
		if (music[0] != null) {
			var listentomusic = document.getElementById('listentomusic');
			listentomusic.innerHTML = music[0].childNodes[0].data;
			
			// alert(music[0].childNodes[0].data);
		} else {
			document.location.reload(true);
		}
	}
	waitDone(musicObj);
	//musicObj.innerHTML="我要再换一个！";
	
	return false;
}


function startMusic(musicObj)
{
	verifyContentNumber = verifyContentNumber + "&b=0";
	
	document.getElementById('pleaselisten').style.display = '';
	document.getElementById('pleaseswitchnow').style.display = '';
	document.getElementById('pleasestopnow').style.display = '';
	document.getElementById('pleasestartmusic').style.display = 'none';
	
	switchMusicContent(musicObj);
	
	return false;
}

function stopMusic(musicObj)
{
	var url = document.location.href;
	var i = url.indexOf('&b=');
	if (i > 0) {
		url = url.substr(0,i);	
	}
	url = url + "&b=1";	
	
	i = url.indexOf('poem_id=');
	if (i > 0) {
		var idx = url.indexOf('&', i);
		url = url.substr(0,i) + 'poem_id=' + current_id + url.substr(idx);
		
		redirect(url);
		return false;
	}
	
	i = url.indexOf('content_id=');
	if (i > 0) {
		var idx = url.indexOf('&', i);
		url = url.substr(0,i) + 'content_id=' + current_id + url.substr(idx);
		
		redirect(url);
		return false;
		
	} else {
		url = url + '&content_id=' + current_id;
		
		redirect(url);
		return false;
	}
}