Actionscript call button onRelease()

I defined some button using flash timeline like follows:

I have a actionscript function that will call that button’s onRelease() function

var buttons:Array = new Array(“Button 99”, “but2”, “but3”, “but4”);
function fireButton() {
this[buttons[selected_button_index]].onRelease();
}

but after fireButton() function is called, the button is not clicked for some reason, any thing wrong the code?

[quote=fasilak;2336993]Hi,

I think you are a beginer in flash.
Can you upload ur fla? So that i can take a look on what you are trying to do…[/quote]

In my fla file, I linked the keyboard event to a mouse onRelease()
http://www.oniva.com/upload/1356/menu.fl
(.fla source file in above link)

thanks your help!