AS3 photogallery random problem

Hi,

I am working on a flash file that imports xml data. This data gets run through a for loop and each xml child gets its own movieclip. Then the various instances of menuItem are randomly placed on the stage.

So, how would I make sure they overlap either one of the corners?
Here as3 code which i use


import fl.controls.ProgressBar;
import fl.transitions.Tween;
import fl.transitions.easing.*;
import fl.transitions.TweenEvent;

var columns:Number;
var my_x:Number;
var my_y:Number;
var my_thumb_width:Number;
var my_thumb_height:Number;
var my_images:XMLList;
var my_total:Number;

var container_mc:MovieClip;
var preloaders_mc:MovieClip;
var full_mc:MovieClip;

var x_counter:Number = 0;
var y_counter:Number = 0;

var my_tweens:Array = [];
var container_mc_tween:Tween;
var full_tween:Tween;

var bWidth:int = 60;
var bHeight:int = 40;
var rowSize:int = int(stage.stageWidth / bWidth);
var colSize:int = int(stage.stageHeight / bHeight);

var currentOrder:Vector.<int>;
var currentContainer:Sprite;

var myXMLLoader:URLLoader = new URLLoader();
myXMLLoader.load(new URLRequest("gallery.xml"));
myXMLLoader.addEventListener(Event.COMPLETE, processXML);

function processXML(e:Event):void {
    var myXML:XML = new XML(e.target.data);

    columns = myXML.@COLUMNS;
    my_x = myXML.@XPOSITION;
    my_y = myXML.@YPOSITION;
    my_thumb_width = myXML.@WIDTH;
    my_thumb_height = myXML.@HEIGHT;
    my_images = myXML.IMAGE;
    my_total = my_images.length();

    createContainer();
    callThumbs();

    myXMLLoader.removeEventListener(Event.COMPLETE, processXML);
    myXMLLoader = null;
}

function createContainer():void {
    container_mc = new MovieClip();
    container_mc.x = my_x;
    container_mc.y = my_y;
    addChild(container_mc);

    container_mc.addEventListener(MouseEvent.CLICK, callFull);
    container_mc.addEventListener(MouseEvent.MOUSE_OVER, onOver);
    container_mc.addEventListener(MouseEvent.MOUSE_OUT, onOut);
    container_mc.buttonMode = true;

    preloaders_mc = new MovieClip();
    preloaders_mc.x = container_mc.x;
    preloaders_mc.y = container_mc.y;
    addChild(preloaders_mc);
}

function callThumbs():void {
    for (var h:Number = 0; h < my_total; h++) {

        var thumb_url = my_images[h].@THUMB;

        var thumb_loader = new Loader();
        thumb_loader.load(new URLRequest(thumb_url));
        thumb_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbLoaded);

        thumb_loader.name = h;

        //thumb_loader.x = (my_thumb_width+10)*x_counter;
//        thumb_loader.y = (my_thumb_height+10)*y_counter;
        
        var len:int = my_images[h];
        var i:int = thumb_loader;
        while(--i > -1){
        var index:int = int(Math.random() * thumb_loader);
        var swap:int = my_images[h];
        my_images[h] = my_images*;
        my_images* = swap;
    }
        
//        
        thumb_loader.x = (my_thumb_width)*x_counter;
        thumb_loader.y = (my_thumb_height+150)*Math.random();
        trace(thumb_loader.x);
        trace(thumb_loader.y);
        

        if (x_counter+1 < columns) {
            x_counter++;
        } else {
            x_counter = 0;
            y_counter++;
        }
        var preloader_pb:ProgressBar = new ProgressBar();
        preloader_pb.source = thumb_loader.contentLoaderInfo;
        preloader_pb.x = thumb_loader.x;
        preloader_pb.y = thumb_loader.y;
        preloader_pb.width = my_thumb_width;
        preloader_pb.height = my_thumb_height;
        preloaders_mc.addChild(preloader_pb);

        preloader_pb.addEventListener(Event.COMPLETE, donePb);
    }
}

function thumbLoaded(e:Event):void {
    var my_thumb:Loader = Loader(e.target.loader);
    container_mc.addChild(my_thumb);
    my_tweens[Number(my_thumb.name)]=new Tween(my_thumb, "alpha", Strong.easeIn, 0,1,0.5, true);

    my_thumb.contentLoaderInfo.removeEventListener(Event.COMPLETE, thumbLoaded);
}

function callFull(e:MouseEvent):void {
    var full_loader:Loader = new Loader();
    var full_url = my_images[e.target.name].@FULL;
    full_loader.load(new URLRequest(full_url));
    full_loader.contentLoaderInfo.addEventListener(Event.INIT, fullLoaded);

    var full_pb:ProgressBar = new ProgressBar();
    full_pb.source = full_loader.contentLoaderInfo;
    full_pb.x = (stage.stageWidth - full_pb.width)/2;
    full_pb.y = (stage.stageHeight - full_pb.height)/2;
    preloaders_mc.addChild(full_pb);

    full_pb.addEventListener(Event.COMPLETE, donePb);

    container_mc.removeEventListener(MouseEvent.CLICK, callFull);
    container_mc.buttonMode = false;
    container_mc.removeEventListener(MouseEvent.MOUSE_OVER, onOver);
    container_mc.removeEventListener(MouseEvent.MOUSE_OUT, onOut);
    container_mc_tween = new Tween(container_mc, "alpha", Strong.easeIn, 1,0.5,0.5, true);
}
function fullLoaded(e:Event):void {
    full_mc = new MovieClip();
    full_mc.buttonMode = true;
    addChild(full_mc);
    var my_loader:Loader = Loader(e.target.loader);
    full_mc.addChild(my_loader);
    full_tween = new Tween(my_loader, "alpha", Strong.easeIn, 0,1,0.5, true);
    my_loader.x = (stage.stageWidth - my_loader.width)/2;
    my_loader.y = (stage.stageHeight - my_loader.height)/2;
    my_loader.addEventListener(MouseEvent.CLICK,removeFull);

    my_loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, fullLoaded);
}
function removeFull(e:MouseEvent):void {
    var my_loader:Loader = Loader (e.currentTarget);
    full_tween = new Tween(my_loader, "alpha", Strong.easeOut, 1,0,0.5, true);
    full_tween.addEventListener(TweenEvent.MOTION_FINISH, tweenFinished);

    container_mc_tween = new Tween(container_mc, "alpha", Strong.easeOut, 0.5,1,0.5, true);
}

function donePb(e:Event):void {
    var my_pb:ProgressBar = ProgressBar(e.target);
    preloaders_mc.removeChild(my_pb);
    my_pb.removeEventListener(Event.COMPLETE, donePb);
}

function tweenFinished(e:TweenEvent):void {
    var my_loader:Loader = Loader (e.target.obj);
    my_loader.unload();
    full_mc.removeChild(my_loader);// This line was removeChid(my_loader), just add full_mc before it.
    removeChild(full_mc);
    full_mc = null;

    container_mc.addEventListener(MouseEvent.CLICK, callFull);
    container_mc.buttonMode = true;
    container_mc.addEventListener(MouseEvent.MOUSE_OVER, onOver);
    container_mc.addEventListener(MouseEvent.MOUSE_OUT, onOut);

    var my_tween:Tween = Tween(e.target);
    my_tween.removeEventListener(TweenEvent.MOTION_FINISH, tweenFinished);
}
function onOver(e:MouseEvent):void {
    var my_thumb:Loader = Loader(e.target);
    my_thumb.alpha = 0.5;
}
function onOut(e:MouseEvent):void {
    var my_thumb:Loader = Loader (e.target);
    my_thumb.alpha = 1;
}