Horizontal image gallery issue

hi, i have an horizontal image gallery (you can view on www.namelesspace.com/decorom/).

my problem is that it works great when all the images are the same width…when i have different widths to the images the gaps between then are uneven…

i would appreciate if someone can tell me what i did wrong ?!

thanks and here is the script:

[as]
//SCRIPTS
num = 1;
total = 0;
rot = 0.5001Math.PI;
sliding = false;
rotGoto = rot;
thumbrowXgoto = 0
rotTweening = rot;
rotImageNumber = 0;
overNumber = “”;
tooltip._alpha = 0;
//import libs
import mx.transitions.Tween;
import mx.transitions.easing.
;
import flash.display.BitmapData;
intThumb._visible = true;
tooltip.field.autoSize = true;
diz = this;
// xml object / ignorewhite
xml = new XML();
xml.ignoreWhite = true;
//load object for parsing
xml.onLoad = function(sucess) {
if (sucess) {
storeAll(xml);
}
};

// load XML
xml.load(‘lounge_room.xml’);

// parsing function
function storeAll(xmlDoc_xml) {
//parse settings

for (at in xmlDoc_xml.childNodes[0].attributes) {
    diz[at] = int(xmlDoc_xml.childNodes[0].attributes[at]*100)/100;
}

if (useMotionBlur == "1") {
    useMotionBlur = true;
} else {
    useMotionBlur = false;
}
if (useReflection == "1") {
    useReflection = true;
} else {
    useReflection = false;
}
if (useFadeOnMouseOver == "1") {
    useFadeOnMouseOver = true;
} else {
    useFadeOnMouseOver = false;
}

if (useExpandOnMouseOver == "1") {
    useExpandOnMouseOver = true;
} else {
    useExpandOnMouseOver = false;
}
//navbar_bg._y = centerY + spanY +100;
//parse all imgs
for (var n = 0; n<xmlDoc_xml.childNodes[1].childNodes.length; n++) {
    duplicateMovieClip(thumbrow.intThumb,"thumb"+n,thumbrow.getNextHighestDepth());
    thumbRef = thumbrow["thumb"+n];
    thumbRef._visible = true;
    thumbRef.num = n;
    thumbRef.urls = xmlDoc_xml.childNodes[1].childNodes[n].attributes.imageURL;
    thumbRef.linkData = xmlDoc_xml.childNodes[1].childNodes[n].attributes.linkData;
    thumbRef.linkType = xmlDoc_xml.childNodes[1].childNodes[n].attributes.linkType;
    thumbRef.linkTarget = xmlDoc_xml.childNodes[1].childNodes[n].attributes.linkTarget;
    thumbRef.captionText = xmlDoc_xml.childNodes[1].childNodes[n].attributes.captionText;
    loadMovie(thumbRef.urls, thumbRef.loader);
    total += 1;
}
//end for folders
tooltip.swapDepths(3002);

}
//end function
this.onEnterFrame = function() {
//move to center

_x += ((Stage.width - ((Stage.width-270))/1-_x)-20);
_y += ((Stage.height - (spanY))/2-_y);
//

rowmask._width = (Stage.width-270);
rowmask._height = spanY+2*marginBorder;
rowmask._y = - marginBorder;
smallBackground._width = (Stage.width-270);
smallBackground._height = spanY;
SliderBackground._width = (Stage.width-270)+2*marginBorder;
SliderBackground._height = spanY+2*marginBorder;
SliderBackground._x = - marginBorder;
SliderBackground._y = - marginBorder;
if(orientationType == 0){
    thumbrowXgoto = - (thumbrow._width - (Stage.width-270)) * ((_xmouse-50) / ((Stage.width-270)-100));
}else{
    if(spanX != undefined){
        thumbrowXgoto -= (_xmouse-((Stage.width-270)/2))/(Stage.width-270)*speed*100;
    }
    
}
if(thumbrowXgoto >0){
    thumbrowXgoto = 0;
}
if(thumbrowXgoto <  - (thumbrow._width - (Stage.width-270))){
    thumbrowXgoto =  - (thumbrow._width - (Stage.width-270));
}
if(sliderType == 0){
    thumbrow._x += (thumbrowXgoto - thumbrow._x) * speed;
}else{
    thumbrow._x = 0;
}
//tooltip
tooltip._alpha += (tooltip.alphaTo-tooltip._alpha)/3;
tooltip.bg._width = tooltip.field._width+5;
tooltip._x = _xmouse+30;
tooltip._y = _ymouse+30;
//blur
thumbrow.filters = "";
if (useMotionBlur) {
    var blur = new flash.filters.BlurFilter(Math.abs(thumbrow._x - prevx)*motionBlurValue, 0, 1);
    var tmpFilters:Array = thumbrow.filters;
    tmpFilters.push(blur);
    thumbrow.filters = tmpFilters;
}
prevx = thumbrow._x;

};
//functions
function getX(number) {
ax = thumbrow[“thumb”+(number-1)]._x + (thumbrow[“thumb”+(number-1)]._width) + marginX;
if(number == 0){
ax = 0;
}
return ax;
}
function getY(number) {
//ay = centerY+(1-distanceValue)spanYMath.sin(rot+numberperinstance);
ay = -(((thumbrow[“thumb”+(number)]._yscale-100)/100)
(spanY/2))

return ay;

}
function reflect(src, target, alpha, wi, he) {
var bdata:BitmapData = new BitmapData(wi/(src._xscale/100), he/(src._yscale/100), true, 0x00ffffff);
bdata.draw(src);
var refmc:MovieClip = target.createEmptyMovieClip(“refmc”, 0);
refmc.attachBitmap(bdata,0);
refmc._width = wi;
refmc._height = he;
refmc._yscale = -refmc._yscale;
refmc._y = he;
var rmask = target.createEmptyMovieClip(“rmask”, 1);
var matrix = {matrixType:“box”, x:0, y:0, w:wi, h:he, r:(90/180)*Math.PI};
rmask.beginGradientFill(“linear”,[0xffffff, 0xffffff],[alpha, 0],[0, 100],matrix,“pad”);
rmask.moveTo(0,0);
rmask.lineTo(0,he);
rmask.lineTo(wi,he);
rmask.lineTo(wi,0);
rmask.lineTo(0,0);
rmask.endFill();
refmc.cacheAsBitmap = true;
rmask.cacheAsBitmap = true;
refmc.setMask(rmask);
}
[/as]