//当键被按下后执行下面的语句
onClipEvent (keyDown) {    
//如果击键为'→'键就执行下面的语句
　　if (Key.getCode() == Key.LEFT) {
//把影片宽度附值给变量width
width = getProperty(mc, _width);    
movex = getProperty(mc, _x);
　　if(movex<= 0){
　　　　movex = width/10;
　　}
//以影片宽度的十分之一作为图片移动的单位值
　　setProperty (mc, _x, movex-width/10);
}
if (Key.getCode() == Key.RIGHT) {
width = getProperty(mc,_width);
movex = getProperty(mc,_x);    
　 if(movex >= 360-width){            
　　　　movex = 360-width-width/10;
　　}    
　　setProperty (mc, _x, movex + width/10);
    
}
　　if (Key.getCode() == Key.UP) {    
　height = getProperty(mc, _height);    
　 movey = getProperty(mc, _y);
    if(movey <= 0){            
    movey = height/10;
    }
setProperty (mc, _y, movey-height/10);
}
if (Key.getCode() == Key.DOWN) {    
height = getProperty(mc,_height);    
movey = getProperty(mc, _y);    
　　if(movey >= 160- height){            
　　movey = 160 - height- height/10;
　　}
　　setProperty (mc, _y, movey + height/10);
}
}