Using Animate and including the GSAP library I've made a basic slideshow containing three slides. I've added two buttons to make the slider go left and right. When pressing the left arrow the slider should go from x=0 to x=-300 and pressing again to x-600 and nor further than that. When pressing the right arrow the slider should go from x-600 to x-300 to x=0 and no further than that.   I was faced with two problems.   First the arrows should make the slider only tween when it