How To Redirect People When Coming With Reference

Hello guys,

Any idea how can I redirect people landing with a reference on the URL like the one below with JavaScript:

www.website.com/?ref=12345

I need to redirect it if the ref= is not empty or it there is ref on the URL.

Thanks

 

You could combine javascript and php, or use just php. See http://urlredirectionscript.com/

 

Yeah, I can do that with PHP very easily, but the page is on html and I don't want to change it...