function lstudio_in(img_name,img_src) {
	document[img_name].src=img_src;
	}

	function lstudio_out(img_name,img_src) {
	document[img_name].src=img_src;
	}
	
	image1 = new Image();
	image1.src = "images/mc_10_rover.jpg";

	image2 = new Image();
	image2.src = "images/mc_11_rover.jpg";
	
	image3 = new Image();
	image3.src = "images/mc_12_rover.jpg";

	image4 = new Image();
	image4.src = "images/mc_13_rover.jpg";
	
	image5 = new Image();
	image5.src = "images/mc_14_rover.jpg";