仿中关村在线首页弹出式广告插件(jQuery版)

/*
疯狂秀才制作于2012-04-2417:00
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);
varfkxc_ad=0;
varbodyWidth=$(window).width();
var_adBodyContainerID="bigAd_"+settings.width;
var_adCloseContainerID="bitAdClose_"+settings.width;
varcloseHtml="广告剩余<spanid="__sec"></span>秒<ahref="javascript:;"id="__close_ad">关闭</a>";
//广告内容容器
var_adContent="<divid=""+_adBodyContainerID+""></div>";
//关闭按钮容器
var_adCloseBtn="<divid=""+_adCloseContainerID+"">"+closeHtml+"</div>";
varself=$(this);
$(this).empty().html(_adContent+_adCloseBtn);
$("#__close_ad").click(function(){
window.clearTimeout(fkxc_ad);
self.fadeOut();
})
if(settings.border){
$("#"+_adBodyContainerID).css("border","1pxsolid#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();
vardaojishi=function(s){
fkxc_ad=setInterval(function(){
if(s==0){
self.fadeOut();
}
$("#__sec").text(s);
s--;
},1000);
}
daojishi(settings.sec)
}
})(jQuery)