Need help with a Tween

Hi guys, I have a slider animation that slides out on mouse over but I only want it to slide out when I have a drag and drop function working with it. So when I drag a particular MC onto the slider it moves out

Here is my code for the slide in animation:

//SLIDER TWEEN
slider_mc.addEventListener(MouseEvent.MOUSE_OVER, slideIn);
slider_mc.addEventListener(MouseEvent.MOUSE_OUT, slideOut);

var slideMcIn = slider_mc.x
var slideMcOut = slider_mc.x - 250;

function slideIn(e:MouseEvent){
var myTween:Tween = new Tween(slider_mc, “x”, Back.easeOut, slideMcIn, slideMcOut, 1, true);
}

function slideOut(e:MouseEvent){
var myTween:Tween = new Tween(slider_mc, “x”, Back.easeOut, slideMcOut, slideMcIn, .6, true);
}

//DRAG AND DROP FUNTION
function ClickToDrag(event:MouseEvent):void
{
originalX = event.currentTarget.x;
originalY = event.currentTarget.y;
event.currentTarget.startDrag(false, boundArea);
event.currentTarget.parent.addChild(event.currentTarget); /
addEventListener(Event.ENTER_FRAME, negativeHit);
}
function ReleaseToDrop(event:MouseEvent):void
{
var currentVid:Object = event.currentTarget;
var currentX:Number = currentVid.x; //store for following ‘if’
var currentY:Number = currentVid.y;
event.currentTarget.stopDrag();

Any help would be appreciative. Thanks