btn1.addEventListener(MouseEvent.CLICK, click1);
function click1(Event:MouseEvent)
{
   qw.x -= 3;
qw.y -= 3;   
}
btn2.addEventListener(MouseEvent.CLICK, click2);
function click2(Event:MouseEvent)
{
   qw.x += 3;
qw.y -= 3;   
}
btn3.addEventListener(MouseEvent.CLICK, click3);
function click3(Event:MouseEvent)
{
   qw.x += 3;
qw.y += 3;   
}
btn4.addEventListener(MouseEvent.CLICK, click4);
function click4(Event:MouseEvent)
{
   qw.x -= 3;
qw.y += 3;   
}