var http = createRequestObject();
var field = '';

function createRequestObject() {
    if (typeof XMLHttpRequest != 'undefined') {
        return new XMLHttpRequest();
    } else if (window.ActiveXObject) {
      var aVersions = [ 'MSXML2.XMLHttp.5.0', 'MSXML2.XMLHttp.4.0', 'MSXML2.XMLHttp.3.0', 'MSXML2.XMLHttp', 'Microsoft.XMLHttp' ];
      for (var i = 0; i < aVersions.length; i++) {
        try {
            var oXmlHttp = new ActiveXObject(aVersions[i]);
            return oXmlHttp;
        } catch (oError) {
            oXmlHttp=null;
        }
      }
    }
    throw new Error('XMLHttp object could be created.');
}

function handleResponse() {
	try {
		if((http.readyState == 4)&&(http.status == 200)){
			response = http.responseText;
			field.innerHTML = response;
			field.scrollIntoView();
			if (response == 'OK') {
				root_id = encodeURIComponent(document.getElementById('root_id').value);
				num = encodeURIComponent(document.getElementById('num').value);
				type_comment = encodeURIComponent(document.getElementById('type_comment').value);
                load_pages('comment', num, root_id, type_comment, 1);
            }
			if(!response) window.location.href = root_url;
		}
  	}
	catch(e){}
	finally{}
}

function load_pages(type,num,apr,id,page,xxx) {
	field = document.getElementById(type);
	field.innerHTML = loadingText;
	http.open('POST', file_default);
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http.onreadystatechange = handleResponse;
    http.send('load_pages=1&type='+type+'&num='+num+'&apr='+apr+'&id='+id+'&page='+page+'&xxx='+xxx); 
  return false; 
}
//#######################################
//# CONVERT NON MARK
//#######################################
function convert_non_mark(str){
     str= str.replace(/\u00E1/g,'a');
	 str= str.replace(/\u00C1/g,'a');
	 str= str.replace(/\u00E0/g,'a');
	 str= str.replace(/\u00C0/g,'a');
     str= str.replace(/\u1EA3/g,'a');
	 str= str.replace(/\u1EA2/g,'a');
	 str= str.replace(/\u00E3/g,'a');
	 str= str.replace(/\u00C3/g,'a');
     str= str.replace(/\u1EA1/g,'a');
	 str= str.replace(/\u1EA0/g,'a');
	 str= str.replace(/\u0103/g,'a');
	 str= str.replace(/\u0102/g,'a');
     str= str.replace(/\u1EAF/g,'a');
	 str= str.replace(/\u1EAE/g,'a');
	 str= str.replace(/\u1EB1/g,'a');
	 str= str.replace(/\u1EB0/g,'a');
     str= str.replace(/\u1EB3/g,'a');
     str= str.replace(/\u1EB2/g,'a');
	 str= str.replace(/\u1EB5/g,'a');
	 str= str.replace(/\u1EB4/g,'a');
     str= str.replace(/\u1EB7/g,'a');
	 str= str.replace(/\u1EB6/g,'a');
	 str= str.replace(/\u00E2/g,'a');
	 str= str.replace(/\u00C2/g,'a');
     str= str.replace(/\u1EA5/g,'a');
	 str= str.replace(/\u1EA4/g,'a');
	 str= str.replace(/\u1EA7/g,'a');
	 str= str.replace(/\u1EA6/g,'a');
     str= str.replace(/\u1EA9/g,'a');
	 str= str.replace(/\u1EA8/g,'a');
	 str= str.replace(/\u1EAB/g,'a');
	 str= str.replace(/\u1EAA/g,'a');
     str= str.replace(/\u1EAD/g,'a');
	 str= str.replace(/\u1EAC/g,'a');
	 str= str.replace(/\u00E9/g,'e');
	 str= str.replace(/\u00C9/g,'e');
     str= str.replace(/\u00E8/g,'e');
	 str= str.replace(/\u00C8/g,'e');
	 str= str.replace(/\u1EBB/g,'e');
	 str= str.replace(/\u1EBA/g,'e');
     str= str.replace(/\u1EBD/g,'e');
	 str= str.replace(/\u1EBC/g,'e');
	 str= str.replace(/\u1EB9/g,'e');
	 str= str.replace(/\u1EB8/g,'e');
     str= str.replace(/\u00EA/g,'e');
	 str= str.replace(/\u00CA/g,'e');
	 str= str.replace(/\u1EBF/g,'e');
	 str= str.replace(/\u1EBE/g,'e');
     str= str.replace(/\u1EC1/g,'e');
	 str= str.replace(/\u1EC0/g,'e');
	 str= str.replace(/\u1EC3/g,'e');
	 str= str.replace(/\u1EC2/g,'e');
     str= str.replace(/\u1EC5/g,'e');
	 str= str.replace(/\u1EC4/g,'e');
	 str= str.replace(/\u1EC7/g,'e');
	 str= str.replace(/\u1EC6/g,'e');
     str= str.replace(/\u00ED/g,'i');
	 str= str.replace(/\u00CD/g,'i');
	 str= str.replace(/\u00EC/g,'i');
	 str= str.replace(/\u00CC/g,'i');
     str= str.replace(/\u1EC9/g,'i');
	 str= str.replace(/\u1EC8/g,'i');
	 str= str.replace(/\u0129/g,'i');
	 str= str.replace(/\u0128/g,'i');
     str= str.replace(/\u1ECB/g,'i');
	 str= str.replace(/\u1ECA/g,'i');
	 str= str.replace(/\u00F3/g,'o');
	 str= str.replace(/\u00D3/g,'o');
     str= str.replace(/\u00F2/g,'o');
	 str= str.replace(/\u00D2/g,'o');
	 str= str.replace(/\u1ECF/g,'o');
	 str= str.replace(/\u1ECE/g,'o');
     str= str.replace(/\u00F5/g,'o');
	 str= str.replace(/\u00D5/g,'o');
	 str= str.replace(/\u1ECD/g,'o');
	 str= str.replace(/\u1ECC/g,'o');
     str= str.replace(/\u01A1/g,'o');
	 str= str.replace(/\u01A0/g,'o');
	 str= str.replace(/\u1EDB/g,'o');
	 str= str.replace(/\u1EDA/g,'o');
     str= str.replace(/\u1EDD/g,'o');
	 str= str.replace(/\u1EDC/g,'o');
	 str= str.replace(/\u1EDF/g,'o');
	 str= str.replace(/\u1EDE/g,'o');
     str= str.replace(/\u1EE1/g,'o');
	 str= str.replace(/\u1EE0/g,'o');
	 str= str.replace(/\u1EE3/g,'o');
	 str= str.replace(/\u1EE2/g,'o');
     str= str.replace(/\u00F4/g,'o');
	 str= str.replace(/\u00D4/g,'o');
	 str= str.replace(/\u1ED1/g,'o');
	 str= str.replace(/\u1ED0/g,'o');
     str= str.replace(/\u1ED3/g,'o');
	 str= str.replace(/\u1ED2/g,'o');
	 str= str.replace(/\u1ED5/g,'o');
	 str= str.replace(/\u1ED4/g,'o');
     str= str.replace(/\u1ED7/g,'o');
	 str= str.replace(/\u1ED6/g,'o');
	 str= str.replace(/\u1ED9/g,'o');
	 str= str.replace(/\u1ED8/g,'o');
     str= str.replace(/\u00FA/g,'u');
	 str= str.replace(/\u00DA/g,'u');
	 str= str.replace(/\u00F9/g,'u');
	 str= str.replace(/\u00D9/g,'u');
     str= str.replace(/\u1EE7/g,'u');
	 str= str.replace(/\u1EE6/g,'u');
	 str= str.replace(/\u0169/g,'u');
	 str= str.replace(/\u0168/g,'u');
     str= str.replace(/\u1EE5/g,'u');
	 str= str.replace(/\u1EE4/g,'u');
	 str= str.replace(/\u01B0/g,'u');
	 str= str.replace(/\u01AF/g,'u');
     str= str.replace(/\u1EE9/g,'u');
	 str= str.replace(/\u1EE8/g,'u');
	 str= str.replace(/\u1EEB/g,'u');
	 str= str.replace(/\u1EEA/g,'u');
     str= str.replace(/\u1EED/g,'u');
	 str= str.replace(/\u1EEC/g,'u');
	 str= str.replace(/\u1EEF/g,'u');
	 str= str.replace(/\u1EEE/g,'u');
     str= str.replace(/\u1EF1/g,'u');
	 str= str.replace(/\u1EF0/g,'u');
	 str= str.replace(/\u00FD/g,'y');
	 str= str.replace(/\u00DD/g,'y');
     str= str.replace(/\u1EF3/g,'y');
	 str= str.replace(/\u1EF2/g,'y');
	 str= str.replace(/\u1EF7/g,'y');
	 str= str.replace(/\u1EF6/g,'y');
     str= str.replace(/\u1EF9/g,'y');
	 str= str.replace(/\u1EF8/g,'y');
	 str= str.replace(/\u1EF5/g,'y');
	 str= str.replace(/\u1EF4/g,'y');
     str= str.replace(/\u0110/g,'d');
	 str= str.replace(/\u0111/g,'d');
   return str;
}
//#######################################
//# SEARCH
//#######################################
function do_search() {
	keyword = document.getElementById('keyword').value;
	keyword = convert_non_mark(keyword);
	if (!keyword) alert(keyword_empty);
	else window.location.href = link_search+keyword+web_type;	
  return false;
}
//#######################################
//# COUNT WORDS
//#######################################
var submitcount=0;
   function checkSubmit() {
      if (submitcount == 0){
      submitcount++;
      document.Surv.submit();
      }
}

function wordCounter(field, countfield, maxlimit) {
wordcounter=0;
for (x=0;x<field.value.length;x++) {
      if (field.value.charAt(x) == " " && field.value.charAt(x-1) != " ")  {wordcounter++}
      if (wordcounter > 250) {field.value = field.value.substring(0, x);}
      else {countfield.value = maxlimit - wordcounter;}
      }
}

function textCounter(field, countfield, maxlimit) {
  if (field.value.length > maxlimit)
      {field.value = field.value.substring(0, maxlimit);}
      else
      {countfield.value = maxlimit - field.value.length;}
}
//#######################################
//# COMMENT
//#######################################
function comment() {
	root_id = encodeURIComponent(document.getElementById('root_id').value);
	type_id = encodeURIComponent(document.getElementById('type_id').value);
	num = encodeURIComponent(document.getElementById('num').value);
	comment_poster = encodeURIComponent(document.getElementById('comment_poster').value);
	comment_sec = encodeURIComponent(document.getElementById('comment_sec').value);
	comment_content = encodeURIComponent(document.getElementById('comment_content').value);
	type_comment = encodeURIComponent(document.getElementById('type_comment').value);
	field = document.getElementById('comment_loading');
    field.innerHTML = loadingText;
    field.style.display = 'block';
    http.open('POST', file_default);
    http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    http.onreadystatechange = handleResponse;
    http.send('comment=1&root_id='+root_id+'&type_id='+type_id+'&num='+num+'&comment_sec='+comment_sec+'&comment_poster='+comment_poster+'&comment_content='+comment_content+'&type_comment='+type_comment);
  return false;
}
//#######################################
//# RATING
//#######################################
function rating(root_id,star,type) {
   		field = document.getElementById('rating_field');
		field.innerHTML = loadingText;
   		http.open('POST', file_default);
   		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
   		http.onreadystatechange = handleResponse;
		http.send(type+'=1&root_id='+root_id+'&star='+star);
 	return false;
}
	// pre-fetch image
	(new Image()).src = RATE_OBJECT_IMG;
	(new Image()).src = RATE_OBJECT_IMG_HALF;
	(new Image()).src = RATE_OBJECT_IMG_BG;

	function show_star(starNum,rate_text) {
		remove_star();
		document.getElementById('rate_text_d').innerHTML = rate_text;
		full_star(starNum);
	}
	
	function full_star(starNum) {
		for (var i=0; i < starNum; i++)
			document.getElementById('star'+ (i+1)).src = RATE_OBJECT_IMG;
	}
	function remove_star() {
		for (var i=0; i < 5; i++)
			document.getElementById('star' + (i+1)).src = RATE_OBJECT_IMG_BG; // RATE_OBJECT_IMG_REMOVED;
	}
	function remove_all_star() {
		for (var i=0; i < 5; i++) document.getElementById('star' + (i+1)).src = RATE_OBJECT_IMG_BG; // RATE_OBJECT_IMG_REMOVED;
		document.getElementById('rate_text_d').innerHTML = 'Bình Chọn';
	}
	function show_rating_process() {
		if(document.getElementById('rating_process')) document.getElementById('rating_process').style.display = 'block';
		if(document.getElementById('rate_s')) document.getElementById('rate_s').style.display = 'none';
	}
	function hide_rating_process() {
		document.getElementById('rating_process').style.display = 'none';
		if(document.getElementById('rate_s')) document.getElementById('rate_s').style.display = 'block';
	}
//#######################################
//# GIFT
//#######################################
function gift(url) {
	field = document.getElementById('gift_field');
	field.innerHTML = '<input type=\"text\" size=\"37\" value=\"'+url+'\" onclick=\"this.select()\"/>';
	return false;
}
//#######################################
//# BROKEN
//#######################################
function broken(x_id,y_id,type) {
   		field = document.getElementById('broken_field');
		field.innerHTML = loadingText;
   		http.open('POST', file_default);
   		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
   		http.onreadystatechange = handleResponse;
		http.send(type+'=1&x_id='+x_id+'&y_id='+y_id);
 	return false;
}
//#######################################
//# WATCH
//#######################################
function _watch(root_id,type) {
	field = document.getElementById('watch_field');
	field.innerHTML = loadingText;
   	http.open('POST', file_default);
   	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
   	http.onreadystatechange = handleResponse;
	http.send(type+'=1&root_id='+root_id);
 	return false;
}
//#######################################
//# BOOKMARK SITE
//#######################################
function bookmarksite(title,url){
		if (window.sidebar) // firefox
		window.sidebar.addPanel(title, url, "");
		else if(window.opera && window.print){ // opera
		var elem = document.createElement('a');
		elem.setAttribute('href',url);
		elem.setAttribute('title',title);
		elem.setAttribute('rel','sidebar');
		elem.click();
		} 
		else if(document.all)// ie
		window.external.AddFavorite(url, title);
}