Regarding hyperlinks, there has been a significant change from Actionscript 2 to Actionscript 3.
In Actionscript 2, the following line of code would have sufficed to open a window in your default browser for this blog.
getURL("http://www.muktosoft.com/blog/");
But in Actionscript 3, you need to instantiate an URLRequest then call navigateToURL to (:) navigate to your target url. [...]