Basic slider

var handle:Sprite;
var base:Sprite;
var dragRec:Rectangle;
var dir:String;
var _value:Number;
 
base = new Sprite();
base.graphics.beginFill(0xdddddd);
base.graphics.drawRect(0, 0, 400, 40);
base.graphics.endFill();
base.x=100;
base.y=100;
addChild(base);
addSlider(base);
 
function addSlider(target:Sprite){
 
	var handleW:Number = 80;
	var handleH:Number = 40;
	var sbW:Number = 0;
	var sbH:Number = target.height - handleH;
	dir = "v";
 
	if(target.width>target.height){
		sbW = target.width - handleW;
		sbH= 0;
		dir = "h";
	}
 
	handle = new Sprite();
	handle.graphics.beginFill(0x0000ff);
	handle.graphics.drawRect(0, 0, handleW, handleH);
	handle.graphics.endFill();
	handle.name = "handle";
	handle.buttonMode = true;
	handle.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
	handle.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);
	dragRec = dragRec = new Rectangle(handle.x, handle.y, sbW, sbH);
	target.addChild(handle);
 
}
 
function mouseUp(event:MouseEvent):void {
	if (event.target != handle){
		doStopDrag(handle);
	}	
	stage.removeEventListener(MouseEvent.MOUSE_UP, mouseUp);
}
 
function mouseDownHandler(event:MouseEvent):void {
	var sprite:Sprite = Sprite(event.target);
	stage.addEventListener(MouseEvent.MOUSE_UP, mouseUp);
	stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
	sprite.startDrag(false, dragRec);
}
 
function mouseUpHandler(event:MouseEvent=null):void {
	var sprite:Sprite = Sprite(event.target);
	doStopDrag(sprite);
}
 
function doStopDrag(clip:Sprite):void {
	clip.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
	stage.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
	clip.stopDrag();
}
 
function mouseMoveHandler(event:MouseEvent=null):void {
 
	if(dir=="v"){
		_value = (base.height - handle.height - (base.height - handle.height - handle.y)) * base.height/(base.height - handle.height);
		_value = _value/base.height;
	}else{
		_value = (base.width - handle.width - (base.width - handle.width - handle.x)) * base.width/(base.width - handle.width);
		_value = _value/base.width;
	}
 
	trace(_value)
 
	//dispatchEvent(new Event(CustomEvents.SLIDER_UPDATE));
}
 
function setValue($value):void 
{
 
	if (dir == "v") {
 
		handle.y = (base.height - handle.height) * $value;
 
	}else {
 
		handle.x = (base.width - handle.width) * $value;
 
	}
 
}