function BannerPositionFix(){
	var SubContentsCount = document.getElementById('ContentsSubMenu').getElementsByTagName('li').length;
	var BannerTop = eval(SubContentsCount * 2.7);
	document.getElementById('BannerContents').style.marginTop = BannerTop + "em";
}
window.onload = function(){ 
    BannerPositionFix();
}