var pic1_on,pic1_off,pic2_on,pic2_off,pic3_on,pic3_off,pic4_on,pic4_off
	pic1_on = new Image;
	pic1_off = new Image;
	pic2_on = new Image;
	pic2_off = new Image;
	pic3_on = new Image;
	pic3_off = new Image;
	pic4_on = new Image;
	pic4_off = new Image;
	
	pic1_on.src = "images/cabinet.gif";
	pic1_off.src = "images/cabinet_bw.gif";
	pic2_on.src = "images/exterior.gif";
	pic2_off.src = "images/exterior_bw.gif";
	pic3_on.src = "images/cabinet2.gif";
	pic3_off.src = "images/cabinet2_bw.gif";
	pic4_on.src = "images/interior.gif";
	pic4_off.src = "images/interior_bw.gif";