Resize image container

1

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I am trying to have a slide show that has photos pulled through via XML, this all works. I am now trying to get the image container to resize to the size/shape of the new pic, can someone please help!!! I have looked at this code and tried putting it into my actionscript but I am still new to all of this -

MovieClip.prototype.resizeMe = function(w, h){
var speed = 3;
this.onEnterFrame = function(){
this._width += (w - this._width)/speed;
this._height += (h - this._height)/speed;
if( Math.abs(this._width-w)<1){
this._width = w;
this._height = h;
_root.containerMC._x = this._x - this._width/2 + spacing/2;
_root.containerMC._y = this._y - this._height/2 + spacing/2;

		//_root.containerMC._alpha = 100;
		delete this.onEnterFrame;
	}
}

Here is the script that I am using -

import mx.transitions.Tween;
import mx.transitions.easing.*;

var myShowXML = new XML();
myShowXML.ignoreWhite = true;
myShowXML.load(“slideshow.xml”);

myShowXML.onLoad = function() {
_root.myWidth = myShowXML.firstChild.attributes.width;
_root.myHeight = myShowXML.firstChild.attributes.height;
_root.mySpeed = myShowXML.firstChild.attributes.speed;
_root.myImages = myShowXML.firstChild.childNodes;
_root.myImagesNo = myImages.length;
import flash.filters.DropShadowFilter;
var shadowEffect:DropShadowFilter = new DropShadowFilter(3, 45, 0x999999, 100, 3, 3, 1, 3);
var picFilter:Array = [shadowEffect];

createContainer();
callImages();
};

function createContainer() {

_root.createEmptyMovieClip(“myContainer_mc”, _root.getNextHighestDepth());

myContainer_mc.lineStyle(1,0x999999,20);
myContainer_mc.lineTo(_root.myWidth,0);
myContainer_mc.lineTo(_root.myWidth,_root.myHeight);
myContainer_mc.lineTo(0,_root.myHeight);
myContainer_mc.lineTo(0,0);

myContainer_mc._x = (Stage.width-myContainer_mc._width)/2;
myContainer_mc._y = (Stage.height-myContainer_mc._height)/2;

var myShadow = new flash.filters.DropShadowFilter(0,0,3);
var myTempFilters:Array = myContainer_mc.filters;
myTempFilters.push(myShadow);
myContainer_mc.filters = myTempFilters;

}

function callImages() {

_root.myMCL = new MovieClipLoader();
_root.myPreloader = new Object();

_root.myMCL.addListener(_root.myPreloader);


_root.myClips_array = [];

_root.myPreloader.onLoadStart = function(target) {


	_root.createTextField("myText_txt",_root.getNextHighestDepth(),0,0,100,20);
	
	_root.myText_txt._x = (Stage.width-_root.myText_txt._width)/2;
	_root.myText_txt._y = (Stage.height-_root.myText_txt._height)/2;
	_root.myText_txt.autoSize = "center";

	_root.myText_txt.text = "test";

};

_root.myPreloader.onLoadProgress = function(target) {

	_root.myText_txt.text = "Loading.. "+_root.myClips_array.length+"/"+_root.myImagesNo+" Completed";

};


_root.myPreloader.onLoadComplete = function(target) {

	
	_root.myClips_array.push(target);
	
	target._alpha = 0;

	
	if (_root.myClips_array.length == _root.myImagesNo) {

		
		_root.myText_txt._y = myContainer_mc._y + myContainer_mc._height;
		_root.target_mc = -1;
		
	
		moveSlide();
		
		myShowInt = setInterval(moveSlide, (_root.mySpeed*1000)+1000);


	}

};


for (i=0; i&lt;_root.myImagesNo; i++) {
	
	
	temp_url = _root.myImages*.attributes.url;

	temp_mc = myContainer_mc.createEmptyMovieClip(i, myContainer_mc.getNextHighestDepth());

	
	_root.myMCL.loadClip(temp_url,temp_mc);
}

}

function moveSlide() {

current_mc = _root.myClips_array[_root.target_mc];
new Tween(current_mc, "_alpha", Strong.easeOut, 100, 0, 1, true);


_root.target_mc++;


if (_root.target_mc&gt;=_root.myImagesNo) {
	_root.target_mc = 0;
}



_root.myText_txt.text = _root.myImages[target_mc].attributes.title;


next_mc = _root.myClips_array[_root.target_mc];
new Tween(next_mc, "_alpha", Strong.easeOut, 0, 100, 1, true);

}

Again please help!!!