var holder_mc:MovieClip;
const number:int = 134;
stage.addEventListener(Event.RESIZE,onStageResize);
createBackground();
function createBackground():void
{
removeTextures();
var columns:Number = Math.ceil(stage.stageWidth / number);
var rows:Number = Math.ceil(stage.stageHeight / number);
var total:Number = columns * rows;

for (var i:int=0; i < total; i++){
var texture_mc:clip=new clip();
texture_mc.x = Math.floor(i % columns) * number;
texture_mc.y = Math.floor(i / columns) * number;
holder_mc.addChild(texture_mc);
}

}
function removeTextures():void
{
if (holder_mc != null)
{
removeChild(holder_mc);
holder_mc = null;
}
holder_mc=new MovieClip();
addChild(holder_mc);
}
function onStageResize(evt:Event):void
{
createBackground();
}