if (document.images) {
    STATIC_URL = "/site_media/static/";
	var img1on = new Image();
       	img1on.src = STATIC_URL+"img/subnavi/gn_con_rollover.gif";
	var img1off = new Image();
	img1off.src = STATIC_URL+"img/subnavi/gn_con_normal.gif";
	var img2on = new Image();
       	img2on.src = STATIC_URL+"img/subnavi/gn_tec_rollover.gif";
	var img2off = new Image();
	img2off.src = STATIC_URL+"img/subnavi/gn_tec_normal.gif";
	var img3on = new Image();
       	img3on.src = STATIC_URL+"img/subnavi/gn_ser_rollover.gif";
	var img3off = new Image();
	img3off.src = STATIC_URL+"img/subnavi/gn_ser_normal.gif";
	var img4on = new Image();
       	img4on.src = STATIC_URL+"img/subnavi/gn_work_rollover.gif";
	var img4off = new Image();
	img4off.src = STATIC_URL+"img/subnavi/gn_work_normal.gif";
	var img5on = new Image();
       	img5on.src = STATIC_URL+"img/subnavi/gn_flow_rollover.gif";
	var img5off = new Image();
	img5off.src = STATIC_URL+"img/subnavi/gn_flow_normal.gif";
	/* /service/lpomindex/ */
	var lpo_img1off = new Image();
	lpo_img1off.src = STATIC_URL+"img/service/005lpo_case_link_nor.gif";
	var lpo_img1on = new Image();
	lpo_img1on.src = STATIC_URL+"img/service/005lpo_case_link_roll.gif";
	/* /service/cms/ */
	var cms_img1off = new Image();
	cms_img1off.src = STATIC_URL+"img/service/006cms_link_nor.gif";
	var cms_img1on = new Image();
	cms_img1on.src = STATIC_URL+"img/service/006cms_link_roll.gif";
	/* /service/ufolenz/ */
	var ufo_img1off = new Image();
	ufo_img1off.src = STATIC_URL+"img/service/007ufo_link_nor.gif";
	var ufo_img1on = new Image();
	ufo_img1on.src = STATIC_URL+"img/service/007ufo_link_roll.gif";
	/* /work/ */
	var sie_img1off = new Image();
	sie_img1off.src = STATIC_URL+"img/service/008work_sie_link_nor.gif";
	var sie_img1on = new Image();
	sie_img1on.src = STATIC_URL+"img/service/008work_sie_link_roll.gif";
	/* /work/ */
	var ele_img1off = new Image();
	ele_img1off.src = STATIC_URL+"img/service/008work_ele_link_nor.gif";
	var ele_img1on = new Image();
	ele_img1on.src = STATIC_URL+"img/service/008work_ele_link_roll.gif";
}

function On(name) {
    if (document.images) {
	// document.images[name].src = eval(name + 'on.src');
	var iobj = document.getElementById(name);
	iobj.src = eval(name + 'on.src');
    }
}	

function Off(name) {
    if (document.images) {
	// document.images[name].src = eval(name + 'off.src');
	var iobj = document.getElementById(name);
	iobj.src = eval(name + 'off.src');
    }
}