browserName = navigator.appName; 
browserVer = parseInt(navigator.appVersion); 
if (browserName == "Netscape" && browserVer >= 3){ 
init = "net"; 
} 
else{ 
init = "ie"; 
} 
if ((init == "net")||((init == "ie")&&(browserVer >= 4))){ 

<!-- ¸Þ´º -->

homeon = new Image; 
homeon.src = "img/top_home_.gif"; 
homeoff = new Image; 
homeoff.src = "img/top_home.gif"; 

loginon = new Image; 
loginon.src = "img/top_login_.gif"; 
loginoff = new Image; 
loginoff.src = "img/top_login.gif"; 

logouton = new Image; 
logouton.src = "img/top_logout_.gif"; 
logoutoff = new Image; 
logoutoff.src = "img/top_logout.gif"; 

panelon = new Image; 
panelon.src = "img/top_panel_.gif"; 
paneloff = new Image; 
paneloff.src = "img/top_panel.gif"; 

sitemapon = new Image; 
sitemapon.src = "img/top_sitemap_.gif"; 
sitemapoff = new Image; 
sitemapoff.src = "img/top_sitemap.gif"; 

<!-- ´ë¸Þ´º -->

menu1on = new Image; 
menu1on.src = "img/topbar_report_.gif"; 
menu1off = new Image; 
menu1off.src = "img/topbar_report.gif"; 

menu2on = new Image; 
menu2on.src = "img/topbar_service_.gif"; 
menu2off = new Image; 
menu2off.src = "img/topbar_service.gif"; 

menu3on = new Image; 
menu3on.src = "img/topbar_news_.gif"; 
menu3off = new Image; 
menu3off.src = "img/topbar_news.gif"; 

menu4on = new Image; 
menu4on.src = "img/topbar_notice_.gif"; 
menu4off = new Image; 
menu4off.src = "img/topbar_notice.gif"; 

menu5on = new Image; 
menu5on.src = "img/topbar_mypage_.gif"; 
menu5off = new Image; 
menu5off.src = "img/topbar_mypage.gif"; 

<!-- ¼­ºê¸Þ´º -->

submenu1on = new Image; 
submenu1on.src = "img/main_sub_panel_.jpg"; 
submenu1off = new Image; 
submenu1off.src = "img/main_sub_panel.jpg"; 

submenu2on = new Image; 
submenu2on.src = "img/main_sub_contact_.jpg"; 
submenu2off = new Image; 
submenu2off.src = "img/main_sub_contact.jpg"; 

submenu3on = new Image; 
submenu3on.src = "img/main_sub_faq_.jpg"; 
submenu3off = new Image; 
submenu3off.src = "img/main_sub_faq.jpg"; 

} 
function img_on(imgName) 
{ 
if (((init == "net")&&(browserVer >=3))||((init == "ie")&&(browserVer >= 4))){ 
imgOn = eval(imgName + "on.src"); 
document[imgName].src = imgOn; 
} 
} 
function img_off(imgName) 
{ 
if (((init == "net")&&(browserVer >=3))||((init == "ie")&&(browserVer >= 4))){ 
imgOff = eval(imgName + "off.src"); 
document[imgName].src = imgOff; 
} 
}