jQuery(document).keyup(function(e){
			if(e.keyCode==37 || e.keyCode==65)
				if (!isSpread) prevImage();
				else
					{
						if(e.timeStamp - timeStamp37 < 400) prevImage();
						timeStamp37 = e.timeStamp;
					}
			if(e.keyCode==39 || e.keyCode==68)
				if (!isSpread) nextImage();
				else
					{
						if(e.timeStamp - timeStamp39 < 400) nextImage();
						timeStamp39 = e.timeStamp;
					}
		});

		jQuery(document).keypress(function(e){
			if(e.which==115) jQuery.scrollTo("+=200",200);
			if(e.which==119) jQuery.scrollTo("-=200",200);
		});