Preloader in photo gallery ..?

hi, does anybody know how to throw in some kind of simple preloader for each photo within this action sript from resize photo gallery ?


spacing = 0;
containerMC._alpha = 0;
var pArray = new Array();
var tArray = new Array();
MovieClip.prototype.loadPic = function(pic) {
containerMC._alpha = 0;
cur = pic;
this.loadMovie(pArray[pic]);
this._parent.onEnterFrame = function() {
var t = containerMC.getBytesTotal(), l = containerMC.getBytesLoaded();
bar._visible = 1;
per = Math.round((l/t)100);
if (t != 0 && Math.round(l/t) == 1 && containerMC._width != 0) {
var w = containerMC._width+spacing, h = containerMC._height+spacing;
border.resizeMe(w, h, pic);
bar._visible = 0;
picinfo.info.text = tArray[pic];
delete this._parent.onEnterFrame;
} else {
bar._width = per;
// gives the bar a max width 100. För att få 250 px t.ex: bar._width = per
2.5;
picinfo.info.text = per+" % ";
}
};
};
MovieClip.prototype.resizeMe = function(w, h, pic) {
containerMC._alpha = 0;
var speed = 3;
this.onEnterFrame = function() {
this._width += (w-this._width)/speed;
this._height += (h-this._height)/speed;
// nav._x = Math.round(this._x-this._width/2);
// nav._y = Math.round(this._y+this._height/2+spacing/2);
// prevb._x = nav._x-5;
// nextb._x = nav._x+this._width+5;
// nextb._y = prevb._y=this._y-this._height/2;
picinfo._y = nextb._y-5;
picinfo._x = border._x-picinfo._width/2;
if (Math.abs(this._width-w)<1 && Math.abs(this._height-h)<1) {
this._width = w;
this._height = h;
containerMC._x = this._x-this._width/2+spacing/2;
containerMC._y = this._y-(this._height-spacing/2);
containerMC._alpha += 10;
if (containerMC._alpha>100) {
containerMC._alpha = 100;
delete this.onEnterFrame;
}
}
};
};
var gallery_xml = new XML();
gallery_xml.ignoreWhite = true;
gallery_xml.onLoad = function(success) {
if (success) {
var gallery = this.firstChild;
for (var i = 0; i<gallery.childNodes.length; i++) {
tArray.push(gallery.childNodes*.attributes.title);
pArray.push(gallery.childNodes*.attributes.source);
}
//loading first picture
containerMC.loadPic(0);
} else {
title_txt.text = “Error!”;
}
};
gallery_xml.load(“gallery.xml”);
prevb.onRelease = function() {
if (cur == 0) {
containerMC.loadPic(pArray.length-1);
} else {
containerMC.loadPic(cur-1);
}
};
nextb.onRelease = function() {
if (cur == pArray.length-1) {
containerMC.loadPic(0);
} else {
containerMC.loadPic(cur+1);
}
};

gallery_xml.load(“gallery.xml”);
border.onRelease = function() {
if (cur == pArray.length-1) {
containerMC.loadPic(0);
} else {
containerMC.loadPic(cur+1);
}
};