// JavaScript Document
/*
*表示必须,非必须项的第一个选项选项为默认选项
url(*)       Flash地址
id(*)       对联的ID，保持唯一，建议用nad+合同号+位置的形式，如：nad5694Home
nextId:''/任意合法id   播放完毕之后触发播放的媒体ID
visibility:true/false   广告加载的时候是否可见，true为可见
width:200/任意数字    宽度
height:150/任意数字    高度
xPx:0/任意数字     水平方向上Flash左边到网页左边的像素值
yPx:190/任意数字    垂直方向上Flash顶边到浏览窗口顶边的像素值
time:7/任意数字     定时关闭的时间，默认7s
*/
var nadFlashLayer= function(url,id,options){
 if(nadIsLtIE5_5()){return;}
 if(!url){return;}else{this.url = url;}
 if(!id){return;}else{this.id = id;}
 this.options = {
  nextId:  '',
  visibility: true,
  width:  200,
  height:  150,
  xPx:  0,
  yPx:  190,
  time:  7
 }
 Object.nadExtend(this.options,options||{});
 this.create();
 nadAddEventListener(window,'resize',this.positionX.nadBind(this));
}
nadFlashLayer.prototype={
 create:function(){
  var wrap = document.createElement('span');
  var _opt = this.options;
  wrap.style.position = 'absolute';
  if(!_opt.visibility){wrap.style.display = 'none';}
  wrap.style.left = nadXCenter() + _opt.xPx + 'px';
  wrap.style.top = _opt.yPx + 'px';
  wrap.innerHTML = nadCreateSwfHtml(this.url,this.id,{
   width : _opt.width,
   height : _opt.height,
   quality : 'high',
   wmode : 'window'
  });
  wrap.son = this;
  document.getElementById("ssid1").appendChild(wrap);
  this.ad = wrap;
  if(_opt.visibility){this.play();}
 },
 positionX:function(){
  this.ad.style.left = nadXCenter() + this.options.xPx + 'px';
 },
 play:function(){
  setTimeout(this.doFSCommand.nadBind(this),this.options.time*1000);
 },
 doFSCommand:function(){
  document.getElementById(this.id).parentNode.style.display = 'none';
  var _nextId = this.options.nextId;
  if(_nextId){
   var _wrap = document.getElementById(_nextId).parentNode;
   _wrap.style.display = '';
   _wrap.son.play();
  }
 }
}
/*==common function==*/
var nadUserAgent = navigator.userAgent;
var nadIsOpera = nadUserAgent.indexOf('Opera')>-1
var nadIsIE = nadUserAgent.indexOf('MSIE')>-1 && !nadIsOpera;
var nadIsLtIE5_5 = function(){
 if(nadIsIE){
  var reIE = new RegExp('MSIE (\\d+\\.\\d+);');
  reIE.test(nadUserAgent);
  var IeVersion = parseFloat(RegExp["$1"]);
  return IeVersion <5.5;
 }
}
Object.nadExtend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}
Function.prototype.nadBind = function() {
  var __method = this, args = $nadA(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($nadA(arguments)));
  }
}
var $nadA = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0, length = iterable.length; i < length; i++)
      results.push(iterable[i]);
    return results;
  }
}
var nadAddEventListener= function(obj,e,f){
 if(document.addEventListener){obj.addEventListener(e,f,false);}
 else{
  e = 'on' + e;
  obj.attachEvent(e,f);
 }
}
var nadXCenter = function(){
 var _dw = document.documentElement.offsetWidth;
 var _bw = document.body.offsetWidth;
 return (_dw>_bw?_dw:_bw)/2;
}
var nadCreateSwfHtml = function(url,id,options){
 var swfHtml='';
 if(!url){return;}
 _opt = options;
 if(nadIsIE){
  swfHtml += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="'+ _opt.width +'" height="'+ _opt.height +'" id="'+ id +'">';
  swfHtml += '<param name="movie" value="'+ url +'" />';
  swfHtml += '<param name="quality" value="high" />';
  swfHtml += '<param name="wmode" value="transparent" />';
  swfHtml += '</object>';
 }
 else{
  swfHtml += '<embed src="'+ url +'" quality="'+ _opt.quality +'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+ _opt.width +'" height="'+ _opt.height +'" wmode="transparent" id="'+ id +'" name="'+ id +'" swliveconnect="true"></embed>'
 }
 return swfHtml;
}
/*==common function==*/