$(document).keydown(function(e){ // bind to left & right arrow keys
	myVid=document.getElementById("videobox");
if (e.keyCode == 37) { 
	myVid.pause();
	if (myVid.currentTime == 0){
	myVid.currentTime=myVid.duration;
	}
	else {
	myVid.currentTime+=-$myFramerate;
	}
   	return false;
}
else if (e.keyCode == 39) {
	myVid.pause();
	if (myVid.currentTime == myVid.duration){
	myVid.currentTime=0;
	}
	else {
	myVid.currentTime+=+$myFramerate;
	}
	return false;
}
else if (e.keyCode == 32) {
	if(myVid.paused) {
      myVid.play();
   }
   else {
      myVid.pause();
   }
   return false;
}
});