Need help on picture Transition

1

new in flash

i need help on picture Transition on this scipt

can any one help me look around this …

rush with sch project … need to pass up this few day d…


import gs.*;
 
//hides the description box until the image is loaded
//hides the image until it is loaded
infoBox.alpha=0;
theImage.alpha=0;
loadingBar.visible = false;
 
//variables to hold the final coordinates of the image tween
var finalX:Number;
var finalY:Number;
 
//variable to hold the number of images in the XML
var listLength:Number;
 
//keeps track of what image should be displayed
var currPainting:Number=0;
 
//arrays to hold the contents of the XML, using this to allow
//for the random order of the images
var imageArray:Array = new Array();
var painterArray:Array = new Array();
var titleArray:Array = new Array();
var dateArray:Array = new Array();
 
//Loader event for the XML
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, onLoaded);
 
var xml:XML;
 
loader.load(new URLRequest("paintings.xml"));
 
function onLoaded(e:Event):void {
    //load XML
    xml=new XML(e.target.data);
    var il:XMLList=xml.images;
    listLength=il.length();
 
    populateArray();
}
 
function populateArray():void {
    //takes the properties defined in the XML and stores them 
    //into arrays
    var i:Number;
    for (i = 0; i < listLength; i++) {
        imageArray*=xml.images*.pic;
        titleArray*=xml.images*.title;
        painterArray*=xml.images*.painter;
        dateArray*=xml.images*.date;
    }
    beginImage();
}
 
function beginImage():void {
    //grabs a random number between 0 and the number
    //of images in the array
    currPainting=Math.floor(Math.random()*imageArray.length);
    trace("currPainting = " + currPainting);
 
    //load description
    infoBox.theArtist.text=painterArray[currPainting];
    infoBox.theTitle.text=titleArray[currPainting];
    infoBox.theDate.text=dateArray[currPainting];
 
    theImage.scaleX=1;
    theImage.scaleY=1;
 
    var imageLoader = new Loader();
 
    //catches errors if the loader cannot find the URL path
    imageLoader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, catchFunction);
    //actually loads the URL defined in the image array
    imageLoader.load(new URLRequest(imageArray[currPainting]));
    //adds a listener for while the image is loading
    imageLoader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, imgLoading);
    //adds a listener for what to do when the image is done loading
    imageLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, imgLoaded);
 
 
    function catchFunction(e:IOErrorEvent) {
        trace("Bad URL: " + imageArray[currPainting] + " does not exist");
        //take out the bad URL from the array
        imageArray.splice(currPainting,1);
        titleArray.splice(currPainting,1);
        painterArray.splice(currPainting,1);
        dateArray.splice(currPainting,1);
 
        //check to see if there are images left,
        //else restart the slideshow
        if (imageArray.length==0) {
            populateArray();
        } else {
            beginImage();
        }
    }
 
    function imgLoading(event:ProgressEvent):void{
        //show the loading bar, and update the width
        //based on how much is loaded
        loadingBar.visible = true;
        loadingBar.bar.width = (event.bytesLoaded/event.bytesTotal)*100;
    }
 
    function imgLoaded(event:Event):void {
        loadingBar.visible = false;
 
        //add the image and get the dimensions to center the image
        theImage.addChild(imageLoader);
        theImage.x = (stage.stageWidth/2) - (imageLoader.content.width / 2);
        theImage.y = (stage.stageHeight/2) - (imageLoader.content.height / 2);
 
        finalX = (stage.stageWidth/2) - (imageLoader.content.width * .8 / 2);
        finalY = (stage.stageHeight/2) - (imageLoader.content.height * .8 / 2);
 
        //start tween function
        easeIn();
    }
}
 
 
 
function easeIn():void {
    TweenLite.to(theImage, 8, {scaleX:.8, scaleY:.8, x:finalX, y:finalY, onComplete:hideStuff});
    TweenLite.to(theImage, 1, {alpha:1, overwrite:0});
    TweenLite.to(infoBox, 1, {alpha:1, delay:5});
}
 
function hideStuff():void {
    TweenLite.to(theImage, 1, {alpha:0, onComplete:nextImage});
    TweenLite.to(infoBox, 1, {alpha:0});
}
 
function nextImage():void {
    //take out the image that was just displayed
    imageArray.splice(currPainting,1);
    titleArray.splice(currPainting,1);
    painterArray.splice(currPainting,1);
    dateArray.splice(currPainting,1);
 
    //remove the picture
    theImage.removeChildAt(0);
 
    //start over
    if (imageArray.length==0) {
        populateArray();
    } else {
        beginImage();
    }
}