/*external js
//cdnjs.cloudflare.com/ajax/libs/gsap/2.1.0/TweenMax.min.js

*/

window.onload = function() {
  var logo = document.getElementById("logo"),
		    playBtn = document.getElementById("playBtn"),
		    pauseBtn = document.getElementById("pauseBtn"),
		    resumeBtn = document.getElementById("resumeBtn"),
		    reverseBtn = document.getElementById("reverseBtn"),
		    playFromBtn = document.getElementById("playFromBtn"),
		    reverseFromBtn = document.getElementById("reverseFromBtn"),
		    seekBtn = document.getElementById("seekBtn"),
		    timeScaleSlowBtn = document.getElementById("timeScaleSlowBtn"),
		    timeScaleNormalBtn = document.getElementById("timeScaleNormalBtn"),
		    timeScaleFastBtn = document.getElementById("timeScaleFastBtn"),
        restartBtn = document.getElementById("restartBtn"),
		    tween = TweenLite.to(logo, 6, {left:"632px", ease:Linear.easeNone});
		
  playBtn.onclick = function() {
		//Play the tween forward from the current position.
		//If tween is complete, play() will have no effect
    tween.play();
	  }
	  pauseBtn.onclick = function() {
		  tween.pause();
	  }
	  resumeBtn.onclick = function() {
		  //Resume playback in current direction.
		  tween.resume();
	  }
	  reverseBtn.onclick = function() {
		  tween.reverse();
	  }
	  playFromBtn.onclick = function() {
		  //Play from a sepcified time (in seconds).
		  tween.play(5);
	  }
	  reverseFromBtn.onclick = function() {
		  //Reverse from a specified time (in seconds).
		  tween.reverse(1);
	  }
	  seekBtn.onclick = function() {
		  //Jump to specificied time (in seconds) without affecting
		  //whether or not the tween is paused or reversed.
		  tween.seek(3);
	  }
	  timeScaleSlowBtn.onclick = function() {
	  	//timescale of 0.5 will make the tween play at half-speed (slower).
		  //Tween will take 12 seconds to complete (normal duration is 6 seconds).
		  tween.timeScale(0.5);
	  }
	  timeScaleNormalBtn.onclick = function() {
		  //timescale of 1 will make tween play at normal speed.
		  tween.timeScale(1);
	  }
	  timeScaleFastBtn.onclick = function() {
		  //timescale of 1 will make the tween play at double-speed (faster).
		  //Tween will take 3 seconds to complete (normal duration is 6 seconds).
		  tween.timeScale(2);
	  }
	  restartBtn.onclick = function() {
		  //Start playing from a progress of 0.
		  tween.restart();
	  }
}