var IE = false, IE6 = false, IE7 = false,
	FIREFOX = false, FIREFOX1 = false, FIREFOX2 = false,
	NETSCAPE7 = false, NETSCAPE = false,
	OPERA9 = false, OPERA = false,
	AUTRE = false;
	var strChUserAgent = navigator.userAgent;
	var intSplitStart = strChUserAgent.indexOf("(",0);
	var intSplitEnd = strChUserAgent.indexOf(")",0);
	var strChStart = strChUserAgent.substring(0,intSplitStart);
	var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);
	var strChEnd = strChUserAgent.substring(strChEnd);

	if(strChMid.indexOf("MSIE") != -1)
	IE = true;

	if(strChMid.indexOf("MSIE 7") != -1)
	IE7 = true;
	else if(strChMid.indexOf("MSIE 6") != -1)
	IE6 = true;
	else if(strChEnd.indexOf("Firefox/2") != -1)
	{ FIREFOX2 = true; FIREFOX  = true; }
	else if(strChEnd.indexOf("Firefox") != -1)
	{ FIREFOX1 = true; FIREFOX  = true; }
	else if(strChEnd.indexOf("Netscape") != -1)
	NETSCAPE = true;
	else if(strChStart.indexOf("Opera") != -1)
	OPERA = true;
	else
	AUTRE = true;


	var reg = new RegExp('^http://([_a-zA-Z0-9]+)\.easyblogs\.([_a-zA-Z]+)(/.*)$', 'g'); //\.easyblogs\.([a-z]+)/
	var blog_url = location.href;
	blog_url = blog_url.replace(reg, 'http://$1.easyblogs.$2');
	//alert('URL: ' + blog_url + "\r\n");

function LaunchAjaxNav()
{
	setInterval(CheckHash, 200);
}

function AjaxUpdateLink()
{
	//var content = document.getElementById('top').innerHTML;
	//var reg = new RegExp(' href="([^"]+)"', 'g');
	//content = content.replace(reg, ' href="#1" OnClick="ajax_loading(\'$1\');"');
	//document.getElementById('top').innerHTML = content;


	var body = document.getElementById('top');
	var link_list = document.getElementsByTagName('a');
	var msg = '';
	msg += link_list.length;
	for(var i = 0; i < link_list.length; i++){
		if (link_list[i].target != '_blank' && link_list[i].target != '_top' && 
			(link_list[i].href.substring(0, 7) != 'http://' || link_list[i].href.substring(0, blog_url.length) == blog_url) &&
			link_list[i].href.substring(0, 11).toLowerCase() != 'javascript:') 
		{
			if (IE) {
				link_list[i].onclick = function () {   
					top.location = blog_url + '/#/' + this.href.substring(blog_url.length + 8);
					//alert(top.location); 
				};
				if (link_list[i].href.substring(blog_url.length, blog_url.length + 8) != '/silent-') 
					link_list[i].href= blog_url + '/silent-' + link_list[i].href.substring(blog_url.length + 1);
				link_list[i].target = 'nav_frame';
			}
			else
			{
				if (link_list[i].href.substring(blog_url.length, blog_url.length + 3) != '/#/') 
					link_list[i].href = blog_url + '/#/' + link_list[i].href.substring(blog_url.length + 1);
				link_list[i].target = '';
			}
		}
	} 
}
var old_hash;
if (IE) old_hash = 'about:blank';
else old_hash = location.hash;

//alert(old_hash);

function CheckHash()
{
	if (IE) {
		if (document.getElementById('nav_frame').contentWindow.document.location.href != old_hash) {
			old_hash = document.getElementById('nav_frame').contentWindow.document.location.href;
			//alert(old_hash);
			document.getElementById('content_cell').innerHTML = 'Chargement...';
			var res =  httprequest(blog_url + '/ajax-' + old_hash.substring(blog_url.length + 8));
			document.getElementById('content_cell').innerHTML = res;
			top.location = blog_url + '/#/' + old_hash.substring(blog_url.length + 8);
			AjaxUpdateLink();
		}
	//setInterval(CheckHash, 200);
	}
	else {
		if (location.hash != old_hash) {
			//alert('hash change');
			old_hash = location.hash;
			document.getElementById('content_cell').innerHTML = 'Chargement...';
			var res =  httprequest(blog_url + '/ajax-' + location.hash.substring(2));
			document.getElementById('content_cell').innerHTML = res;
			//document.getElementById('content_cell').innerHTML = blog_url + '/ajax-' + location.hash.substring(2);
			AjaxUpdateLink();
		}
	}
}


function isNumeric(Data)
{
	numChars = '.0123456789';
	var isNum = true;
	var index = 0;
	while ((index < Data.length) && (isNum)) {
		isNum = (numChars.indexOf(Data.charAt(index)) != -1);
		index ++;
	}
	return isNum;
}

moduleopenimg = new Image();
moduleopenimg.src = "common/images/open.gif";
news_open = new Image();
news_open.src = "common/images/arbo_open.gif";
arbo_close = new Image();
arbo_close.src = "common/images/arbo_close.gif";
msg_infos = new Image();
msg_infos.src = "common/images/infos.jpg";
msg_notice = new Image();
msg_notice.src = "common/images/notice.png";
msg_error = new Image();
msg_error.src = "common/images/error.jpg";

function logon(login, passwd) {
	var result, text;
	result = httprequest_GET('../common/httprequest/logon.php?log=' + login + '&pass=' + passwd, '', 'loginform_msg', '<table height="27" width="1%" border="0" cellpadding="0" cellspacing="0" class="body"><tr><td>Chargement...</td></tr></table>', false);
	text = '<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="middle">';
	if (result == 'Ok') {
		text += '<img src="../common/images/infos.png"></td><td valign="middle" nowrap><span class="error">  Bienvenue ' + login + ',<br/>   Vous allez être redirigé vers la page de votre choix dans quelques secondes.';
		var refresh_logon_timeoutID = window.setTimeout('window.refresh_logon()', 3000);
	}
	else text += '<img src="../common/images/notice.png"></td><td valign="middle"><span class="error">  ' + result;
	text += '</span></td></tr></table><br/>';
	document.getElementById('loginform_msg').innerHTML = text;
}

function refresh_logon() {
	top.location=top.location;
}

function confirmSubmit(message) {
	var agree=confirm(message);
	if (agree) return true ;
	else return false ;
}

function aff_msg(msg, type) {
	var html = '';
	html += '<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="middle">';
	if (type == 1) html += '<img src="../common/images/infos.png">';
	else if (type == 2) html += '<img src="../common/images/notice.png">';
	else if (type == 3) html += '<img src="../common/images/error.jpg">';
	html += '</td><td valign="middle"><span class="error">  ' + msg + '</span></td></tr></table><br/>';
	return html;
}

function popup(page,popupname,height,width) {
	var topPosition = (screen.height - height) / 2;
	var leftPosition = (screen.width - width) / 2;
	var windowprops = "width=" + width + ",height=" + height + ",top=" + topPosition + ",left=" + leftPosition + ",location=no,menubar=no,toolbar=no,scrollbars=yes,resizable=no,status=no";
	newWindow = window.open(page,popupname,windowprops);
}

var internal_popup_open = false;
var internal_popup_x_scroll = 0;
var internal_popup_y_scroll = 0;

function OpenInternalPopup(url, name, width, height)
{
	var screen_filter = document.getElementById('screen_filter'); 
	var screen_popup = document.getElementById('screen_popup'); 
	var popup_window = document.getElementById('popup_window'); 

	res = httprequest_GET(url, '', '', '', '');
	popup_window.innerHTML = res;
	if (internal_popup_open == false)
	{
		window.onscroll=LockScrollbars;
		
		//popup_window.style.height = height;
		popup_window.style.width = width;

		if (document.all) internal_popup_y_scroll = document.body.scrollTop;
		else internal_popup_y_scroll = window.pageYOffset;
		screen_filter.style.top = internal_popup_y_scroll;
		screen_popup.style.top = internal_popup_y_scroll;
		
		if (document.all) internal_popup_x_scroll = document.body.scrollLeft;
		else internal_popup_x_scroll = window.pageXOffset;
		screen_filter.style.left = internal_popup_x_scroll;
		screen_popup.style.left = internal_popup_x_scroll;

		screen_filter.style.display = 'block';
		screen_popup.style.display = 'block';
		internal_popup_open=true;
	}
	//alert(url);

}
function CloseInternalPopup()
{
	var screen_filter = document.getElementById('screen_filter'); 
	var screen_popup = document.getElementById('screen_popup'); 
	window.onscroll='';
	screen_filter.style.display = 'none';
	screen_popup.style.display = 'none';
	internal_popup_open=false;
}

function LockScrollbars()
{
	window.scroll(internal_popup_x_scroll,internal_popup_y_scroll);
	return false;

}




function GetXhrObject()
{
	if(window.XMLHttpRequest) xhr_object = new XMLHttpRequest(); // Firefox   
	else if(window.ActiveXObject) xhr_object = new ActiveXObject('Microsoft.XMLHTTP'); // Internet Explorer   
	else { // XMLHttpRequest non supporté par le navigateur   
		alert('Votre navigateur ne supporte pas les objets XMLHTTPRequest...');   
		return;   
	}   
	return xhr_object;
}

function httprequest(url)
{
	xhr_object = GetXhrObject();
	xhr_object.open('GET', url, false);
	//xhr_object.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=iso-8859-1');
	xhr_object.send(null);
	if(xhr_object.readyState == 4) return xhr_object.responseText;
	else return false;
}
function httprequest_p(url, param)
{
	xhr_object = GetXhrObject();
	xhr_object.open('POST', url, false);
	//xhr_object.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=iso-8859-1');
			xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			xhr_object.send(param);
	if(xhr_object.readyState == 4) return unescape(xhr_object.responseText);
	else return false;
}


function httprequest_POST(url, param, div, div_text, text) {
	xhr_object = GetXhrObject();
	if (div_text != '')	document.getElementById(div_text).innerHTML = text;
	xhr_object.open('POST', url, true);
		xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xhr_object.send(param);

	xhr_object.onreadystatechange = function() {   
		if(xhr_object.readyState == 4) {
			document.getElementById(div).innerHTML = xhr_object.responseText;
			httprequest_POST_valid();
		}
	}   
}

function httprequest_GET(url, div, div_text, text, valid_fct) 
{
	if (div_text != '') document.getElementById(div_text).innerHTML = text;
	xhr_object = GetXhrObject();
	xhr_object.open('GET', url, false);
	xhr_object.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
	xhr_object.send(null);
			
	if(xhr_object.readyState == 4) {
		if (div != '') document.getElementById(div).innerHTML = xhr_object.responseText;
		if (valid_fct == true) httprequest_GET_valid();
		return xhr_object.responseText;
	}
	else return false;
}


function ShowNote(blog_id, note)
{
	for(i=0; i<5; i++)
	{
		if (i + 1 == note) document.getElementById(blog_id + '_' + i).src = 'common/images/note_hi.png';
		else if (i < note) document.getElementById(blog_id + '_' + i).src = 'common/images/note_on.png';
		else document.getElementById(blog_id + '_' + i).src = 'common/images/note_off.png';
	}
}
function ResetNote(blog_id, note)
{
	for(i=0; i<5; i++)
	{
		if (i < note) document.getElementById(blog_id + '_' + i).src = 'common/images/note_on.png';
		else document.getElementById(blog_id + '_' + i).src = 'common/images/note_off.png';
	}
}

function SetNote(blog_id, note)
{
	res = httprequest('request.php?httprequest=note&blog_id=' + blog_id + '&note=' + note);
	alert(res);
}