How i can access instance of class variable dynamically as text..? +example

1

i also write this question in as2 forum, but i need it also for as3
[COLOR=#333333][FONT=Segoe UI]i have instance of class “[/FONT][/COLOR][COLOR=#333333][FONT=Segoe UI]HelloClass”[/FONT][/COLOR][COLOR=#333333][FONT=Segoe UI] on my main movie :[/FONT][/COLOR]
[COLOR=#333333][FONT=Segoe UI]_root.mc.HelloClass.variable1.fullurl[/FONT][/COLOR]
[COLOR=#333333][FONT=Segoe UI]so my HelloClass exteds movieclip and has var named Variable1 that also class with var fullurl[/FONT][/COLOR]

[COLOR=#333333][FONT=Segoe UI]i want to access fullurl string value dynamically , somthing like:[/FONT][/COLOR]
[COLOR=#333333][FONT=Segoe UI]_root.[“mc”].[“HelloClass”].[“variable1”].[“fullurl”][/FONT][/COLOR]
[COLOR=#333333][FONT=Segoe UI]so i can access every var from external swf[/FONT][/COLOR]

[COLOR=#333333][FONT=Segoe UI]thank you !![/FONT][/COLOR]