To use this feature, please upgrade your browser to a somewhat recent version. If you have no clue then head on to http://firefox.com and follow instructions there.
aria2 version:
Web-Client status:
To download the latest version of the project head on to
http://github.com/ziahamza/webui-aria2
Or you can open the latest version in browser through http://ziahamza.github.com/webui-aria2