// JavaScript Document      
function move_left(blocks){
	//move the big box
	setBoxEffect(blocks * 460);
}
			
function move_right(blocks){
		 
   setBoxEffect(blocks * (-460));

}


function setBoxEffect(x){
	new Effect.MoveBy('containing_box', 0, x , {duration: 0.8,  transition: Effect.Transitions.sinoidal, queue: 'end'});
}