if (document.images) {

var top_menu01on = new Image()
top_menu01on.src = "../images/topmenu/topbox_menu_01_n.gif"
var top_menu01off = new Image() 
top_menu01off.src = "../images/topmenu/topbox_menu_01_f.gif"
	

var top_menu02on = new Image()
top_menu02on.src = "../images/topmenu/topbox_menu_02_n.gif"
var top_menu02off = new Image()
top_menu02off.src = "../images/topmenu/topbox_menu_02_f.gif"
	

var top_menu03on = new Image()
top_menu03on.src = "../images/topmenu/topbox_menu_03_n.gif"
var top_menu03off = new Image()
top_menu03off.src = "../images/topmenu/topbox_menu_03_f.gif"
	

var top_menu04on = new Image()
top_menu04on.src = "../images/topmenu/topbox_menu_04_n.gif"
var top_menu04off = new Image()
top_menu04off.src = "../images/topmenu/topbox_menu_04_f.gif"

	
var top_lang_eon = new Image()
top_lang_eon.src = "../images/topmenu/topbox_lang_e_n.gif"
var top_lang_eoff = new Image()
top_lang_eoff.src = "../images/topmenu/topbox_lang_e_f.gif"
	

var top_lang_jon = new Image()
top_lang_jon.src = "../images/topmenu/topbox_lang_j_n.gif"
var top_lang_joff = new Image()
top_lang_joff.src = "../images/topmenu/topbox_lang_j_f.gif"


var left_yoyakuon = new Image()
left_yoyakuon.src = "images/leftmenu/lb_subtitle_01_n.gif"
var left_yoyakuoff = new Image()
left_yoyakuoff.src = "images/leftmenu/lb_subtitle_01.gif"


var left_menu01on = new Image()
left_menu01on.src = "images/leftmenu/submenu_01_n.gif"
var left_menu01off = new Image()
left_menu01off.src = "images/leftmenu/submenu_01_f.gif"

	
var left_menu02on = new Image()
left_menu02on.src = "images/leftmenu/submenu_02_n.gif"
var left_menu02off = new Image()
left_menu02off.src = "images/leftmenu/submenu_02_f.gif"


var left_menu03on = new Image()
left_menu03on.src = "images/leftmenu/submenu_03_n.gif"
var left_menu03off = new Image()
left_menu03off.src = "images/leftmenu/submenu_03_f.gif"

	
var left_menu04on = new Image()
left_menu04on.src = "images/leftmenu/submenu_04_n.gif"
var left_menu04off = new Image()
left_menu04off.src = "images/leftmenu/submenu_04_f.gif"

	

//footer_info and qrcode

var infoon = new Image()
infoon.src = "../images/footer/info_on.gif"
var infooff = new Image() 
infooff.src = "../images/footer/info_off.gif"

var qrcodeon = new Image()
qrcodeon.src = "../images/footer/qr_code_on.gif"
var qrcodeoff = new Image()
qrcodeoff.src = "../images/footer/qr_code_off.gif"

var privacyon = new Image()
privacyon.src = "../images/footmenu/foot_menu_01_f_o.gif"
var privacyoff = new Image()
privacyoff.src = "../images/footmenu/foot_menu_01_f.gif"

var gaiyoon = new Image()
gaiyoon.src = "../images/footmenu/foot_menu_02_f_o.gif"
var gaiyooff = new Image()
gaiyooff.src = "../images/footmenu/foot_menu_02_f.gif"

var recruitingon = new Image()
recruitingon.src = "../images/footmenu/foot_menu_03_f_o.gif"
var recruitingoff = new Image()
recruitingoff.src = "../images/footmenu/foot_menu_03_f.gif"

var mailon = new Image()
mailon.src = "../images/footmenu/foot_menu_04_f_o.gif"
var mailoff = new Image()
mailoff.src = "../images/footmenu/foot_menu_04_f.gif"  

var presson = new Image()
presson.src = "../images/footer/press_btn_o.gif"
var pressoff = new Image()
pressoff.src = "../images/footer/press_btn.gif"

} 

 

function inact(imgName) {

	

  if (document.images)

    document[imgName].src = eval(imgName + 'off.src');

}



function act(imgName) {

  if (document.images)

    document[imgName].src = eval(imgName + 'on.src');

}