var TopBg;
var LeftBg;
var ScrollBg;
var FooterBg;

function JFChangeTopNav(){
window.top.topnav.document.body.style.background = TopBg;
}

function LeftNavOnload(){
window.top.nav.document.body.style.background = LeftBg;
window.top.navscroll.document.body.style.background = ScrollBg;
}

function FooterOnload(){
window.top.footerframe.document.body.style.background = FooterBg;
}