Loading External data

Hi,

In the following example can you explain why loading the text with button event handler is treated like HTML.

http://www.kirupa.com/developer/mx/multiple_dynamictext.htm

http://www.kirupa.com/developer/mx/multiple_dynamictext.htm

And in the latter tutorial the text is treated like a variable, which I understand. Is it possilbe to alter the fomer tutorial to load the data as a variable and not HTML?