//########image change+preload ########

	var img = new Array();

	img[11] = new Image();
	img[11].src="/images/common/b_1_off.gif";
	img[12] = new Image();
	img[12].src="/images/common/b_1_over.gif";

	img[21] = new Image();
	img[21] .src = "/images/common/b_2_off.gif";
	img[22] = new Image();
	img[22] .src = "/images/common/b_2_over.gif";

	img[31] = new Image();
	img[31] .src = "/images/common/b_3_off.gif";
	img[32] = new Image();
	img[32] .src = "/images/common/b_3_over.gif";

	img[41] = new Image();
	img[41] .src="/images/common/b_4_off.gif";
	img[42] = new Image();
	img[42] .src="/images/common/b_4_over.gif";

	img[51] = new Image();
	img[51] .src="/images/common/b_5_off.gif";
	img[52] = new Image();
	img[52] .src="/images/common/b_5_over.gif";

	img[61] = new Image();
	img[61] .src="/images/common/b_6_off.gif";
	img[62] = new Image();
	img[62] .src="/images/common/b_6_over.gif";

	img[71] = new Image();
	img[71] .src="/images/common/b_7_off.gif";
	img[72] = new Image();
	img[72] .src="/images/common/b_7_over.gif";



//imagesonoff
	function swapImg(name,num) {
		document.images[name].src = img[num].src;
	}