if(document.images) {
	var imgs = new Array();
	imgs[01] = new Image();  imgs[01].src = "../images/btn_grp.gif";
	imgs[02] = new Image();  imgs[02].src = "../images/btn_grp_on.gif";
	imgs[03] = new Image();  imgs[03].src = "../images/btn_law.gif";
	imgs[04] = new Image();  imgs[04].src = "../images/btn_law_on.gif";
	imgs[05] = new Image();  imgs[05].src = "../images/btn_csl.gif";
	imgs[06] = new Image();  imgs[06].src = "../images/btn_csl_on.gif";
	imgs[07] = new Image();  imgs[07].src = "../images/btn_smn.gif";
	imgs[08] = new Image();  imgs[08].src = "../images/btn_smn_on.gif";
	imgs[09] = new Image();  imgs[09].src = "../images/tmenu01.gif";
	imgs[10] = new Image();  imgs[10].src = "../images/tmenu01_on.gif";
	imgs[11] = new Image();  imgs[11].src = "../images/tmenu02.gif";
	imgs[12] = new Image();  imgs[12].src = "../images/tmenu02_on.gif";
	imgs[13] = new Image();  imgs[13].src = "../images/tmenu03.gif";
	imgs[14] = new Image();  imgs[14].src = "../images/tmenu03_on.gif";

}
function lv01img(id, imgname) {
	if(document.images) {
		if(imgs[imgname]) {
			document.images[id].src = imgs[imgname].src;
		}else {
			document.images[id].src = imgname;
		}
	}
}