function fade_in(evt:MouseEvent) {
    stop();
    if(this.currentFrame == 1 || this.currentFrame == 10) {
    	this.gotoAndPlay(1);
    } else {
    	gotoAndStop(10);
    }
}
function fade_out(evt:MouseEvent) {
    stop();
    if(this.currentFrame == 10) {
    	this.gotoAndPlay(10);
    } else {
    	gotoAndStop(1);
    }
}