var isIE = (document.all) ? true : false;
var isIE6 = isIE && ([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6);
var $$ = function (id) {
	return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
	create: function() {
		return function() { this.initialize.apply(this, arguments); }
	}
}
var Extend = function(destination, source) {
	for (var property in source) {
		destination[property] = source[property];
	}
}

var Bind = function(object, fun) {
	return function() {
		return fun.apply(object, arguments);
	}
}

var Each = function(list, fun){
	for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};

var Contains = function(a, b){
	return a.contains ? a != b && a.contains(b) : !!(a.compareDocumentPosition(b) & 16);
}


var OverLay = Class.create();
OverLay.prototype = {
  initialize: function(options) {

	this.SetOptions(options);
	
	this.Lay = $$(this.options.Lay) || document.body.insertBefore(document.createElement("div"), document.body.childNodes[0]);
	
	this.Color = this.options.Color;
	this.Opacity = parseInt(this.options.Opacity);
	this.zIndex = parseInt(this.options.zIndex);
	
	with(this.Lay.style){ display = "none"; zIndex = this.zIndex; left = top = 0; position = "fixed"; width = height = "100%"; }
	
	if(isIE6){
		this.Lay.style.position = "absolute";
		//ie6设置覆盖层大小程序
		this._resize = Bind(this, function(){
			this.Lay.style.width = Math.max(document.documentElement.scrollWidth, document.documentElement.clientWidth) + "px";
			this.Lay.style.height = Math.max(document.documentElement.scrollHeight, document.documentElement.clientHeight) + "px";
		});
		//遮盖select
		this.Lay.innerHTML = '<iframe style="position:absolute;top:0;left:0;width:100%;height:100%;filter:alpha(opacity=0);"></iframe>'
	}
  },
  //设置默认属性
  SetOptions: function(options) {
    this.options = {//默认值
		Lay:		null,//覆盖层对象
		Color:		"#000",//背景色
		Opacity:	25,//透明度(0-100)
		zIndex:		1000//层叠顺序
    };
    Extend(this.options, options || {});
  },
  //显示
  Show: function() {
	//兼容ie6
	if(isIE6){ this._resize(); window.attachEvent("onresize", this._resize); }
	//设置样式
	with(this.Lay.style){
		//设置透明度
		isIE ? filter = "alpha(opacity:" + this.Opacity + ")" : opacity = this.Opacity / 100;
		backgroundColor = this.Color; display = "block";
	}
  },
  //关闭
  Close: function() {
	this.Lay.style.display = "none";
	if(isIE6){ window.detachEvent("onresize", this._resize); }
  }
};



var LightBox = Class.create();
LightBox.prototype = {
  initialize: function(box, options) {
	
	this.Box = $$(box);//显示层
	
	this.OverLay = new OverLay(options);//覆盖层
	
	this.SetOptions(options);
	
	this.Fixed = !!this.options.Fixed;
	this.Over = !!this.options.Over;
	this.Center = !!this.options.Center;
	this.onShow = this.options.onShow;
	
	this.Box.style.zIndex = this.OverLay.zIndex + 1;
	this.Box.style.display = "none";
	
	//兼容ie6用的属性
	if(isIE6){
		this._top = this._left = 0; this._select = [];
		this._fixed = Bind(this, function(){ this.Center ? this.SetCenter() : this.SetFixed(); });
	}
  },
  //设置默认属性
  SetOptions: function(options) {
    this.options = {//默认值
		Over:	true,//是否显示覆盖层
		Fixed:	true,//是否固定定位
		Center:	true,//是否居中
		onShow:	function(){}//显示时执行
	};
    Extend(this.options, options || {});
  },
  //兼容ie6的固定定位程序
  SetFixed: function(){
	this.Box.style.top = document.documentElement.scrollTop - this._top + this.Box.offsetTop + "px";
	this.Box.style.left = document.documentElement.scrollLeft - this._left + this.Box.offsetLeft + "px";
	
	this._top = document.documentElement.scrollTop; this._left = document.documentElement.scrollLeft;
  },
  //兼容ie6的居中定位程序
  SetCenter: function(){
	this.Box.style.marginTop = document.documentElement.scrollTop - this.Box.offsetHeight / 2 + "px";
	this.Box.style.marginLeft = document.documentElement.scrollLeft - this.Box.offsetWidth / 2 + "px";
  },
  //显示
  Show: function(options) {
	//固定定位
	this.Box.style.position = this.Fixed && !isIE6 ? "fixed" : "absolute";

	//覆盖层
	this.Over && this.OverLay.Show();
	
	this.Box.style.display = "block";
	
	//居中
	if(this.Center){
		this.Box.style.top = this.Box.style.left = "50%";
		//设置margin
		if(this.Fixed){
			this.Box.style.marginTop = - this.Box.offsetHeight / 2 + "px";
			this.Box.style.marginLeft = - this.Box.offsetWidth / 2 + "px";
		}else{
			this.SetCenter();
		}
	}
	
	//兼容ie6
	if(isIE6){
		if(!this.Over){
			//没有覆盖层ie6需要把不在Box上的select隐藏
			this._select.length = 0;
			Each(document.getElementsByTagName("select"), Bind(this, function(o){
				if(!Contains(this.Box, o)){ o.style.visibility = "hidden"; this._select.push(o); }
			}))
		}
		//设置显示位置
		this.Center ? this.SetCenter() : this.Fixed && this.SetFixed();
		//设置定位
		this.Fixed && window.attachEvent("onscroll", this._fixed);
	}
	
	this.onShow();
  },
  //关闭
  Close: function() {
	this.Box.style.display = "none";
	this.OverLay.Close();
	if(isIE6){
		window.detachEvent("onscroll", this._fixed);
		Each(this._select, function(o){ o.style.visibility = "visible"; });
	}
  }
};

//留言部分
var LightBookBox = Class.create();
LightBookBox.prototype = {
  initialize: function(BookBox, options) {
	
	this.BookBox = $$(BookBox);//显示层
	
	this.OverLay = new OverLay(options);//覆盖层
	
	this.SetOptions(options);
	
	this.Fixed = !!this.options.Fixed;
	this.Over = !!this.options.Over;
	this.Center = !!this.options.Center;
	this.onShow = this.options.onShow;
	
	this.BookBox.style.zIndex = this.OverLay.zIndex + 1;
	this.BookBox.style.display = "none";
	
	//兼容ie6用的属性
	if(isIE6){
		this._top = this._left = 0; this._select = [];
		this._fixed = Bind(this, function(){ this.Center ? this.SetCenter() : this.SetFixed(); });
	}
  },
  //设置默认属性
  SetOptions: function(options) {
    this.options = {//默认值
		Over:	true,//是否显示覆盖层
		Fixed:	true,//是否固定定位
		Center:	true,//是否居中
		onShow:	function(){}//显示时执行
	};
    Extend(this.options, options || {});
  },
  //兼容ie6的固定定位程序
  SetFixed: function(){
	this.BookBox.style.top = document.documentElement.scrollTop - this._top + this.BookBox.offsetTop + "px";
	this.BookBox.style.left = document.documentElement.scrollLeft - this._left + this.BookBox.offsetLeft + "px";
	
	this._top = document.documentElement.scrollTop; this._left = document.documentElement.scrollLeft;
  },
  //兼容ie6的居中定位程序
  SetCenter: function(){
	this.BookBox.style.marginTop = document.documentElement.scrollTop - this.BookBox.offsetHeight / 2 + "px";
	this.BookBox.style.marginLeft = document.documentElement.scrollLeft - this.BookBox.offsetWidth / 2 + "px";
  },
  //显示
  Show: function(options) {
	//固定定位
	this.BookBox.style.position = this.Fixed && !isIE6 ? "fixed" : "absolute";

	//覆盖层
	this.Over && this.OverLay.Show();
	
	this.BookBox.style.display = "block";
	
	//居中
	if(this.Center){
		this.BookBox.style.top = this.BookBox.style.left = "50%";
		//设置margin
		if(this.Fixed){
			this.BookBox.style.marginTop = - this.BookBox.offsetHeight / 2 + "px";
			this.BookBox.style.marginLeft = - this.BookBox.offsetWidth / 2 + "px";
		}else{
			this.SetCenter();
		}
	}
	
	//兼容ie6
	if(isIE6){
		if(!this.Over){
			//没有覆盖层ie6需要把不在BookBox上的select隐藏
			this._select.length = 0;
			Each(document.getElementsByTagName("select"), Bind(this, function(o){
				if(!Contains(this.BookBox, o)){ o.style.visibility = "hidden"; this._select.push(o); }
			}))
		}
		//设置显示位置
		this.Center ? this.SetCenter() : this.Fixed && this.SetFixed();
		//设置定位
		this.Fixed && window.attachEvent("onscroll", this._fixed);
	}
	
	this.onShow();
  },
  //关闭
  Close: function() {
	this.BookBox.style.display = "none";
	this.OverLay.Close();
	if(isIE6){
		window.detachEvent("onscroll", this._fixed);
		Each(this._select, function(o){ o.style.visibility = "visible"; });
	}
  }
};

//顶部导航
function T_Menu(sid){

 for(var i=1;i<=6;i++){
 	document.getElementById("T_Menu_"+i).className="T_Menu_off";
 	document.getElementById("nav_list_"+i).style.display="none";
 }
	document.getElementById("T_Menu_"+sid).className="T_Menu_on";
 	document.getElementById("nav_list_"+sid).style.display="";
}

//左侧导航
function B_Menu(sid){
//var ar = document.getElementById("menudiv").getElementsByTagName("b");
 for(var i=1;i<=9;i++){
 	document.getElementById("b_cat_"+i).className="bmenu B_Menu_off b_"+sid;
 	document.getElementById("s_cat_"+i).style.display="none";
 }
	document.getElementById("b_cat_"+sid).className="bmenu B_Menu_on b_"+sid;
 	document.getElementById("s_cat_"+sid).style.display="";
}

//论坛导航
function Bbs_Menu(sid){
	
var ar = document.getElementById("menudiv").getElementsByTagName("b");
 for(var i=1;i<=ar.length;i++){
 	document.getElementById("b_cat_"+i).className="bmenu B_Menu_off";
 	document.getElementById("s_cat_"+i).style.display="none";
 }
	document.getElementById("b_cat_"+sid).className="bmenu B_Menu_on";
 	document.getElementById("s_cat_"+sid).style.display="";
}
//-->

//导航声音
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
if(features=="center"){
window.open(theURL,winName,"scrollbars=yes,width=1024,height=768,left="+(window.screen.width-1024)/2+",top="+(window.screen.height-768)/2);
return;
}
 window.open(theURL,winName,features+" ,left="+(window.screen.width-1024)/2+",top="+(window.screen.height-768)/2); 
}

function MM_controlShockwave(objStr,x,cmdName,frameNum) { //v3.0
  var obj=MM_findObj(objStr);
  if (obj) eval('obj.'+cmdName+'('+((cmdName=='GotoFrame')?frameNum:'')+')');
}