Loops

how do you make a loop go back and start at 0 again?
been using this ASso far but only a beginner at the moment.

var mySWF:Array;
var currentSWF:Number = 0;

var myXML:XML = new XML();
myXML.ignoreWhite = true;
myXML.load(“myXML.xml”);
myXML.onLoad = function(success) {
if (success) {
mySWF = this.firstChild.childNodes;
for (i=0; i<mySWF.length; i++) {
var slideNumber = i+1;
var slideName = mySWF*.attributes.name;
var slideURL = mySWF*.firstChild.nodeValue;
//trace (slideNumber + " " + slideName + " " + slideURL)
createContainer();
}
}
};

function createContainer() {
_root.createEmptyMovieClip(“myContainer_mc”,_root.getNextHighestDepth());
myContainer_mc.loadMovie(mySWF[currentSWF].firstChild);
}

function nextSWF() {
currentSWF++;
if (currentSWF < mySWF.length) {
myContainer_mc.loadMovie(mySWF[currentSWF].firstChild);
}
}

nextBtn.onRelease = function() {
nextSWF();
}