Slide Y or X AS3

Hi everyone,

This is my first as3 question, god this as3 is freaking me out, anyways.

I have attached some source files…

http://www.sbdesigns.ca/slideFiles.zip

slideY_A2.fla file is what I would like to accomplish in as3,
cool, easy right!!

Now my question is, how do I do this in as3?

I have started it the best I can in as3, lol!

Here is the AS2 code…

Code:
circle.onEnterFrame = function() {
	current_y = circle._y;
	slideTo_y = current_y-_root.circle_y;
	circle._y = current_y - (slideTo_y/2.5);
};
btn.onRelease = function() {
	_root.circle_y = "250";
}

Here is what I have in AS3 so far…

stop();

Code:
btn.addEventListener(MouseEvent.MOUSE_DOWN, SLIDEY);
function SLIDEY(event:MouseEvent):void {
	circle.y = 20;
}
btn.buttonMode = true;

Any help is mucho mucho appreciato, what?