Multiple domain name hanging advertising Method!

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall

You can visit separately: www.bb2020.cn www.bb2020.com.cn www.jjflash.cn Trial effect! If you do not understand can add my qq:393440579 contact!
Here is a JS file we tentatively named: Guanggao.js

Copy the following code into the Guanggao.js file. The domain name in the file into its own domain name, the document.write ("www.bb2020.cn");
JS code into your own JS AD code! (Note: Different domain name hangs different advertisement, put document.write ("www.bb2020.cn"); Switch to the corresponding domain name JS advertising code!

To call the JS file method in HTML:
<div align=center>
<script src= "/js/guanggao.js" ></SCRIPT>
</DIV>

Guanggao.js File Code:

var s_domain = location.host;
var js_path1 = "www.bb2020.cn";
var js_path2 = "bb2020.cn";
var js_path3 = "www.bb2020.com.cn";
var js_path4 = "bb2020.com.cn";
var js_path5 = "www.jjflash.cn";
var js_path6 = "jjflash.cn";
if (S_domain = = js_path1)
{
document.write ("www.bb2020.cn");
}
if (S_domain = = js_path2)
{
document.write ("bb2020.cn");
}
if (S_domain = = Js_path3)
{
document.write ("www.bb2020.com.cn");
}
if (S_domain = = Js_path4)
{
document.write ("bb2020.com.cn");
}
if (S_domain = = Js_path5)
{
document.write ("www.jjflash.cn");
}
if (S_domain = = Js_path6)
{
document.write ("jjflash.cn");
}