/*
	[nsl.iciba] (C)2007 Kingsoft Inc.
	$Date: Thu Mar 29 17:48:28 CST 2007 $
*/

var sPop = null;
var postSubmited = false;

var userAgent = navigator.userAgent.toLowerCase();
var is_opera = (userAgent.indexOf('opera') != -1);
var is_saf = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == 'Apple Computer, Inc.'));
var is_webtv = (userAgent.indexOf('webtv') != -1);
var is_ie = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4 = ((is_ie) && (userAgent.indexOf('msie 4.') != -1));
var is_moz = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon = (userAgent.indexOf('konqueror') != -1);
var is_ns = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4 = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_mac = (userAgent.indexOf('mac') != -1);


//
var ckid;
ckid = 0;
function $()
{
    var elements = new Array();
    for (var i = 0; i < arguments.length; i++)
    {
        var element = arguments[i];
        if (typeof element == 'string')
            element = document.getElementById(element);
        if (arguments.length == 1)
            return element;
        elements.push(element);
    }
    return elements;
}

function showhidden(name,idx){
	var o = document.getElementsByName(name);
	try{
		for(var i=0;i<o.length;i++){
			if(i == idx){
				o[i].style.display = '';
			}else{
				o[i].style.display = 'none';
			}
		}
	}catch(e){
		;
	}
}
function InitAjax()
{
    var http_request = false;

    if (window.XMLHttpRequest)
    {
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType)
        {
            http_request.overrideMimeType('text/xml');
        }
    }
    else if (window.ActiveXObject)
    {
        try
        {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e)
        {
            try
            {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e)
            {}
        }
    }
    if (!http_request)
    {
        alert('Giving up :( Cannot create an XMLHTTP instance');
        return false;
    }
    return http_request;
}

function showmenu(a,b)
{
	var str;
	str=$(a).value;
	chkarr = str.split(' ');
	
	var menuObj = $(b);
	var titleObj = $(a);
	var posObj = new findPos(titleObj);
	var menu_left = posObj.left;
	var menu_top = posObj.top + parseInt(titleObj.offsetHeight);

	menuObj.style.position = 'absolute';
	if(chkarr.length<=3)$(b).style.display = '';
	
	// 计算显示位置
	if (posObj.left + menuObj.offsetWidth >= document.body.clientWidth && 0)
	{
		menu_left = parseInt(posObj.left) - parseInt(menuObj.offsetWidth) + parseInt(titleObj.offsetWidth);
	}
	if (1)
	{
		menu_top = parseInt(posObj.top) - parseInt(menuObj.offsetHeight);
	}
	menuObj.style.left = menu_left+'px';
	menuObj.style.top = menu_top+'px';

}
function hiddenmenu(a,b)
{
 	str=$(a).value;
	chkarr = str.split(' ');
	if(chkarr.length==3)ckid=1;
	if(ckid==1)$(b).style.display='none';
}
function closemenu(b)
{
    $(b).style.display='none';

}
function ckin(c,d,e)
{
    istr=$(d).value;
	chkarr = istr.split(',');
	if($(d).value==''||$(d).value==','||$(d).value=='�?){$(d).value = c;}
	else if(chkarr.length==20){$(d).value += ctrl(istr,c);$(e).style.display='none';}
	else if(chkarr.length<20){$(d).value += ctrl(istr,c);}	
}
function ctrl(a,b)
{
	var str,val;
	str='';
    if (a.search(b)==-1){str = ','+b;}
	return str;
}

function getcon(p){
var str = '';
var str2 = '';
var data = "passport=" + p;
$('tagsshow').innerHTML = "Loading...";

var xmlReq = InitAjax();
xmlReq.open('POST', "/index.php?module=thread&act=gettags", true);
    xmlReq.onreadystatechange = function(){
         if(xmlReq.readyState == 2){
		
		}else if(xmlReq.readyState == 3){
		$('tagsshow').innerHTML = "查询已发�?..";
		}else if(xmlReq.readyState == 4 && xmlReq.status == 200){
		str = xmlReq.responseText;
		if(str.search(/没有数据/i)!=-1){str2="对不�?没有找到你的自定义标�?";$('tagsshow').innerHTML = str2;
		}else{$('menu_tags').innerHTML = str;$('menu_tags').style.display = '';$('tagsshow').innerHTML = '最多可填写3个，用逗号或空格隔开';}
		
		}else if(xmlReq.readyState == 4 && xmlReq.status != 200){
			str = xmlReq.responseText;
			var str2 = "由于人数过多,服务器暂时忙,请重�?";
			$('tagsshow').innerHTML = str2;
		}
	}
xmlReq.setRequestHeader("content-length",data.length);
xmlReq.setRequestHeader("charset","UTF-8");
xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
xmlReq.send(data);
return false;
}
function delatt(id,filename)
{
var str = '';
var str2 = '';
var data = "id=" + id + "&filename=" + filename;
$('delmsg_' + id).innerHTML = "删除�?请稍�?..";

var xmlReq = InitAjax();
xmlReq.open('POST', "/index.php?module=thread&act=delattach", true);
    xmlReq.onreadystatechange = function(){
         if(xmlReq.readyState == 2){
		
		}else if(xmlReq.readyState == 3){
		$('delmsg_' + id).innerHTML = "查询已发�?..";
		}else if(xmlReq.readyState == 4 && xmlReq.status == 200){
		str = xmlReq.responseText;
			if(str.search("删除成功")!=-1){$('del_' + id).style.display = 'none';
									   }else{$('delmsg_' + id).innerHTML = str;}
		
		}else if(xmlReq.readyState == 4 && xmlReq.status != 200){
			str = xmlReq.responseText;
			var str2 = "由于人数过多,服务器暂时忙,请重�?";
			$('tagsshow').innerHTML = str2;
		}
	}
xmlReq.setRequestHeader("content-length",data.length);
xmlReq.setRequestHeader("charset","UTF-8");
xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
xmlReq.send(data);
return false;
}


function ctlent(event) {
	if(postSubmited == false && (event.ctrlKey && event.keyCode == 13) || (event.altKey && event.keyCode == 83) && $('postsubmit')) {
		if(in_array($('postsubmit').name, ['topicsubmit', 'replysubmit', 'editsubmit']) && !validate($('postform'))) {
			return;
		}
		postSubmited = true;
		$('postsubmit').disabled = true;
		$('postform').submit();
	}
}

function storeCaret(textEl){
	if(textEl.createTextRange){
		textEl.caretPos = document.selection.createRange().duplicate();
	}
}

function checkall(form, prefix, checkall) {
	var checkall = checkall ? checkall : 'chkall';
	for(var i = 0; i < form.elements.length; i++) {
		var e = form.elements[i];
		if(e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
			e.checked = form.elements[checkall].checked;
		}
	}
}

function arraypop(a) {
	if(typeof a != 'object' || !a.length) {
		return null;
	} else {
		var response = a[a.length - 1];
		a.length--;
		return response;
	}
}

function arraypush(a, value) {
	a[a.length] = value;
	return a.length;
}


function findtags(parentobj, tag) {
	if(typeof parentobj.getElementsByTagName != 'undefined') {return parentobj.getElementsByTagName(tag);}
	else if(parentobj.all && parentobj.all.tags) {return parentobj.all.tags(tag);}
	else {return null;}
}

function copycode(obj) {
	var rng = document.body.createTextRange();
	rng.moveToElementText(obj);
	rng.scrollIntoView();
	rng.select();
	rng.execCommand("Copy");
	rng.collapse(false);
}

function toggle_collapse(objname, unfolded) {
	if(typeof unfolded == 'undefined') {
		var unfolded = 1;
	}
	var obj = $(objname);
	var oldstatus = obj.style.display;
	var collapsed = getcookie('nsl_collapse');
	var cookie_start = collapsed ? collapsed.indexOf(objname) : -1;
	var cookie_end = cookie_start + objname.length + 1;

	obj.style.display = oldstatus == 'none' ? '' : 'none';
	collapsed = cookie_start != -1 && ((unfolded && oldstatus == 'none') || (!unfolded && oldstatus == '')) ?
			collapsed.substring(0, cookie_start) + collapsed.substring(cookie_end, collapsed.length) : (
			cookie_start == -1 && ((unfolded && oldstatus == '') || (!unfolded && oldstatus == 'none')) ?
			collapsed + objname + ' ' : collapsed);

	expires = new Date();
	expires.setTime(expires.getTime() + (collapsed ? 86400 * 30 : -(86400 * 30 * 1000)));
	document.cookie = 'nsl_collapse=' + escape(collapsed) + '; expires=' + expires.toGMTString() + '; path=/';

	var img = $(objname + '_img');
	var img_regexp = new RegExp((oldstatus == 'none' ? '_yes' : '_no') + '\\.gif$');
	var img_re = oldstatus == 'none' ? '_no.gif' : '_yes.gif'
	if(img) {
		img.src = img.src.replace(img_regexp, img_re);
	}
}

function imgzoom(o) {
	if(event.ctrlKey) {
		var zoom = parseInt(o.style.zoom, 10) || 100;
		zoom -= event.wheelDelta / 12;
		if(zoom > 0) {
			o.style.zoom = zoom + '%';
		}
		return false;
	} else {
		return true;
	}
}

function getcookie(name) {
	var cookie_start = document.cookie.indexOf(name);
	var cookie_end = document.cookie.indexOf(";", cookie_start);
	return cookie_start == -1 ? '' : unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length)));
}

function AddText(txt) {
	obj = $('postform').message;
	selection = document.selection;
	checkFocus();
	if(typeof(obj.selectionStart) != 'undefined') {
		var opn = obj.selectionStart + 0;
		obj.value = obj.value.substr(0, obj.selectionStart) + txt + obj.value.substr(obj.selectionEnd);
	} else if(selection && selection.createRange) {
		var sel = selection.createRange();
		sel.text = txt;
		sel.moveStart('character', -mb_strlen(txt));
	} else {
		obj.value += txt;
	}
}

function insertAtCaret (textEl,	text){
	if(textEl.createTextRange && textEl.caretPos){
		var caretPos = textEl.caretPos;
		caretPos.text += caretPos.text.charAt(caretPos.text.length - 2)	== ' ' ? text +	' '	: text;
	} else if(textEl) {
		textEl.value +=	text;
	} else {
		textEl.value = text;
	}
}

function checkFocus() {
	var obj = typeof wysiwyg == 'undefined' || !wysiwyg ? $('postform').message : editwin;
	if(!obj.hasfocus) {
		obj.focus();
	}
}

function closesmiliewindow(e) {
	if(typeof smiliewindow != 'undefined' && !smiliewindow.closed) {
		smiliewindow.close();
	}
}

function opensmiliewindow(width, height, editorid) {
	smiliewindow = window.open('post.php?action=smilies' + (editorid ? '&editorid=' + editorid : ''), 'Popup', 'width=' + width + ',height=' + height + ',resizable=yes,scrollbars=yes');
	window.onunload = closesmiliewindow;
}

function mb_strlen(str) {
	return (is_ie && str.indexOf('\n') != -1) ? str.replace(/\r?\n/g, '_').length : str.length;
}

function insertSmiley(smilieid) {
	checkFocus();
	var src = $('smilie_' + smilieid).src;
	var code = $('smilie_' + smilieid).pop ? $('smilie_' + smilieid).pop : $('smilie_' + smilieid).alt;
	if(typeof wysiwyg != 'undefined' && wysiwyg && allowsmilies && (!$('smileyoff') || $('smileyoff').checked == false)) {
		if(is_moz) {
			applyFormat('InsertImage', false, src);
			var smilies = findtags(editdoc.body, 'img');
			for(var i = 0; i < smilies.length; i++) {
				if(smilies[i].src == src && smilies[i].getAttribute('smilieid') < 1) {
					smilies[i].setAttribute('smilieid', smilieid);
					smilies[i].setAttribute('border', "0");
				}
			}
		} else {
			insertText('<img src="' + src + '" border="0" smilieid="' + smilieid + '" alt="" /> ', false);
		}
	} else {
		code += ' ';
		AddText(code);
	}
}

function announcement() {
	$('announcement').innerHTML = '<marquee style="filter:progid:DXImageTransform.Microsoft.Alpha(startX=0, startY=0, finishX=10, finishY=100,style=1,opacity=0,finishOpacity=100); margin: 0px 8px" direction="left" scrollamount="2" scrolldelay="1" onMouseOver="this.stop();" onMouseOut="this.start();">' +
		$('announcement').innerHTML + '</marquee>';
	$('announcement').style.display = 'block';
}

function $(id) {
	return document.getElementById(id);
}

function in_array(needle, haystack) {
	if(typeof needle == 'string') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}

document.write("<style type='text/css'id='defaultPopStyle'>");
document.write(".cPopText { font-family: Tahoma, Verdana; background-color: #FFFFCC; border: 1px #000000 solid; font-size: 12px; padding-right: 4px; padding-left: 4px; line-height: 18px; padding-top: 2px; padding-bottom: 2px; visibility: hidden; filter: Alpha(Opacity=80)}");

document.write("</style>");
document.write("<div id='popLayer' style='position:absolute;z-index:1000' class='cPopText'></div>");

function showPopupText(event) {
	if(event.srcElement) o = event.srcElement; else o = event.target;
	if(!o) {
		return;
	}
	MouseX = event.clientX;
	MouseY = event.clientY;
	if(o.alt != null && o.alt != '') {
		o.pop = o.alt;
		o.alt = '';
	}
	if(o.title != null && o.title != '') {
		o.pop = o.title;
		o.title = '';
	}
	if(o.pop != sPop) {
		sPop = o.pop;
		if(sPop == null || sPop == '') {
			$('popLayer').style.visibility = "hidden";
		} else {
			popStyle = o.dyclass != null ? o.dyclass : 'cPopText';
			$('popLayer').style.visibility = "visible";
			showIt();
		}
	}
}

function showIt() {
	$('popLayer').className = popStyle;
	$('popLayer').innerHTML = sPop.replace(/<(.*)>/g,"&lt;$1&gt;").replace(/\n/g,"<br>");
	var popWidth = $('popLayer').clientWidth;
	var popHeight = $('popLayer').clientHeight;
	var popLeftAdjust = MouseX + 12 + popWidth > document.body.clientWidth ? -popWidth - 24 : 0;
	var popTopAdjust = MouseY + 12 + popHeight > document.body.clientHeight ? -popHeight - 24 : 0;
	$('popLayer').style.left = (MouseX + 12 + document.body.scrollLeft + popLeftAdjust) + 'px';
	$('popLayer').style.top = (MouseY + 12 + document.body.scrollTop + popTopAdjust) + 'px';
}

if(!document.onmouseover) {
	document.onmouseover = function(e) {
		var event = e ? e : window.event;
		showPopupText(event);
	};
}
function findPos(o)
{
    this.top  = o.offsetTop;
    this.left = o.offsetLeft;
    while(o = o.offsetParent)
    {
        this.top  += o.offsetTop;
        this.left += o.offsetLeft;
    }
}