var thiseid;
var thisname;
var thisphoto;
function showComments(eid){
thiseid = eid;
document.getElementById("c"+thiseid+"").innerHTML="<img src='http://tapchiamnhac.net/forum/images/waiting.gif' />";
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="http://tapchiamnhac.net/forum/index.php?app=forums&module=forums&section=boards&code=2&tid="+eid+"";
xmlhttp.onreadystatechange=openajaxcomments;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}
function openajaxcomments(){
	if (xmlhttp.readyState==4){
		document.getElementById("c"+thiseid+"").innerHTML=xmlhttp.responseText;
	}
}
function closeajaxcomments(){
	if (xmlhttp.readyState==4){
		document.getElementById("c"+thiseid+"").innerHTML="";
	}
}
function writecomment(fid,eid,name,photo){
	thiseid = eid;
	document.getElementById("w"+thiseid+"").innerHTML="<br /><table><tr><td valign='top'><img src='"+photo+"' width='32' height='32'></td><td style='border-top: 1px solid #ffffff;'>"+name+"<br /><br /><form action=\"javascript:postcomment('"+fid+"','"+eid+"','"+name+"','"+photo+"');\"><textarea id=\"textbox\" name=\"Post\" cols=\"55\" rows=\"7\"></textarea><br /><br /><input type=\"submit\" value=\"Tr&#7843; l&#7901;i\" class=\"cmbutton\"/></form></td></tr></table>";
}
function postcomment(fid,eid,name,photo){
thiseid = eid;
thisname = name;
thisphoto = photo;
	text=encodeURIComponent(document.getElementById("textbox").value);
	if(!text) alert("Phan noi dung comment con de trong!");
	else{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url="http://tapchiamnhac.net/forum/index.php?app=forums&module=forums&section=boards&code=1&eid="+eid+"&fid="+fid+"";
	var param="Post="+text+"";
	xmlhttp.onreadystatechange=stateChanged2;
	xmlhttp.open("POST",url,true);
	xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xmlhttp.setRequestHeader("Content-length", param.length);
    xmlhttp.setRequestHeader("Connection", "close");
	xmlhttp.send(param);
	}
}
function stateChanged2(){
	if (xmlhttp.readyState==4){
		document.getElementById("w"+thiseid+"").innerHTML="<br /><table><tr><td valign='top'><img src='"+thisphoto+"' width='32' height='32'></td><td>"+thisname+"<br /><br />"+xmlhttp.responseText+"</td></tr></table>";
	}
}
function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}