仿中关村在线首页弹出式广告插件(jQuery版)

/*
疯狂秀才 制作 于 2012-04-24 17:00
QQ: 1055818239
email: hxl_apple@163.com
*/
(function($){
$.fn.quickAd = function(settings){
settings = $.extend({
width:760,
height:400,
html:我是广告内容,
top:130,
sec:5, //广告显示时长，单位秒
border:true //显示外框
},settings);
var fkxc_ad = 0;
var bodyWidth = $(window).width();
var _adBodyContainerID = "bigAd_"+settings.width;
var _adCloseContainerID = "bitAdClose_"+settings.width;
var closeHtml = 广告剩余 <span id="__sec"></span> 秒 <a href="javascript:;" id="__close_ad">关 闭</a>;
//广告内容容器
var _adContent = <div id="+_adBodyContainerID+"></div>;
//关闭按钮容器
var _adCloseBtn = <div id="+_adCloseContainerID+">+closeHtml+</div>;
var self = $(this);
$(this).empty().html(_adContent+_adCloseBtn);
$(#__close_ad).click(function(){
window.clearTimeout(fkxc_ad);
self.fadeOut();
})
if(settings.border){
$(#+_adBodyContainerID).css(border,1px solid #ccc);
}
$(#+_adBodyContainerID).empty().html(settings.html).css({
width:settings.width+px,
height:settings.height+px,
position: fixed,
z-index: 20000,
top:settings.top+px,
left:(bodyWidth - settings.width) / 2 + px
}).fadeIn(fast);
$(#+_adCloseContainerID).css({
width:160px,height:18px,line-height:18px,background-color:#ccc,
text-align: center, opacity: 0.8,top:settings.top+px,position: fixed,
left:((bodyWidth - settings.width) / 2+(settings.width-160)) + px, z-index: 20001
}).show();
var daojishi = function (s) {
fkxc_ad = setInterval(function () {
if (s == 0) {
self.fadeOut();
}
$("#__sec").text(s);
s--;
}, 1000);
}
daojishi(settings.sec)
}
})(jQuery)

<div id="testad"></div>
<script>
$(function(){
$(#testad).quickAd({
html:<img src="11_523049_88a5614dc705882 (1).jpg" width=760 height=400 />
});
})
</script>