Get the Window URL

Hi

I am trying to make a RSS reader. The only problem I found is that I want the link to the RSS feed to be inside the URL. This way if I want to load a different RSS I just need to replace the direction inside the URL.

For example: http://www.gohopa.com/feedURL=“http://www.urltosite.com/rss2.xml”

This way the flash will load the http://www.urltosite.com/rss2.xml

Can anyone help me with this?

Thanks