var increase, decrease;function decreaseSizeImage(){if(increase != null) {clearTimeout(increase); increase = null;};if (document.getElementById("1").height > 163){document.getElementById("1").height -= 15;document.getElementById("1").width -= 15;decrease = setTimeout("decreaseSizeImage()", 3);};}function increaseSizeImage(){if(decrease != null) {clearTimeout(decrease); decrease = null;};if (document.getElementById("1").height < 338){document.getElementById("1").height += 20;document.getElementById("1").width += 20;increase = setTimeout("increaseSizeImage()", 3);};}