Loop scrolling text

I have this code that basically reads some text from a txt file and then scrolls it across my flash document. I want it to loop, so when it gets to the end of the text, it replays it. any thoughts? Thanks for any help in advance. I can’t seem to figure it out.

function scroller3a()
{	
	//set some initial variable values

	txt3a.myText3a_txt._width = txt3a.myText3a_txt.textWidth;  //expand clip to fit all text
	txt3a.myText3a_txt.multiline = false;
	txt3a.myText3a_txt.autoSize = "left";
	
	txt3a.onEnterFrame = function() {
		txt3a.myText3a_txt._x -= 3;  //controls the speed of the scroll
		if (txt3a.myText3a_txt._x < endOfText3a)
		{//we've just went off of screen reset text position
			txt3a.myText3a_txt._x = resetPos3a;
			delete this["onEnterFrame"]; //deletes mcText onEnterFrame event
			scroller3a();
		}
	}
}
scroller3a();  //calls the function

Here is the code I use to load the txt data

myData3a = new LoadVars();
myData3a.onLoad = function(){
   myText3a_txt.text = this.content;
};
myData3a.load("TextField3a.txt");

stop();